<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Antonio Torres-Moríñigo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">GPU-parallel Crowd Simulation with Vulkan</style></title><secondary-title><style face="normal" font="default" size="100%">6th International Workshop on Modeling and Simulation of and by Parallel and Distributed Systems (MSPDS 2020)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">18th High Performance Computing &amp; Simulation (HPCS 2020)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2021</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://hpcs2020.cisedu.info/4-program/processed-manuscripts</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">In press</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Andrés Doncel-Ramírez</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating Population Dynamics P systems with extra parallelism</style></title><secondary-title><style face="normal" font="default" size="100%">International Conference on Membrane Computing (ICMC2020)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2020</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2020</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://2020.e-icmc.org/content/4/#Full%20Program</style></url></web-urls></urls></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Andrés Doncel-Ramírez</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Extracting Parallelism in Simulation Algorithms for PDP systems</style></title><secondary-title><style face="normal" font="default" size="100%">18th Brainstorming Week on Membrane Computing (BWMC2020)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2020</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/18bwmc/079_mdcba.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla</style></pub-location><pages><style face="normal" font="default" size="100%">79-90</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%"> Computational complexity theory in Membrane Computing: Seventeen years after</style></title><secondary-title><style face="normal" font="default" size="100%">20th International Conference on Membrane Computing, CMC20</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/computational-complexity.pdf</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">191-206</style></pages><isbn><style face="normal" font="default" size="100%">978-606-8493-76-3,</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">11 years of P-Lingua: A backward glance</style></title><secondary-title><style face="normal" font="default" size="100%">20th International Conference on Membrane Computing, CMC20</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/P-Lingua.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Editura BIBLIOSTAR</style></publisher><pages><style face="normal" font="default" size="100%">451-462</style></pages><isbn><style face="normal" font="default" size="100%">978-606-8493-76-3</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An apparently innocent problem in Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Seventeenth Brainstorming Week on Membrane Computing,</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/apparently-innocent.pdf</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">127-138</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Dependency Graph Technique Revisited</style></title><secondary-title><style face="normal" font="default" size="100%">20th International Conference on Membrane Computing, CMC20</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/dependency-graph.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Editura BIBLIOSTAR</style></publisher><pages><style face="normal" font="default" size="100%">513-522</style></pages><isbn><style face="normal" font="default" size="100%">978-606-8493-76-3</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Thomas Hinze</style></author><author><style face="normal" font="default" size="100%">Grzegorz Rozenberg</style></author><author><style face="normal" font="default" size="100%">Arto Salomaa</style></author><author><style face="normal" font="default" size="100%">Claudio Zandron</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Design of Specific P Systems Simulators on GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Lecture Notes in Computer Science</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1007/978-3-030-12797-8_14</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer International Publishing</style></publisher><pub-location><style face="normal" font="default" size="100%">Cham</style></pub-location><volume><style face="normal" font="default" size="100%">11399</style></volume><pages><style face="normal" font="default" size="100%">202–207</style></pages><isbn><style face="normal" font="default" size="100%">978-3-030-12797-8</style></isbn><abstract><style face="normal" font="default" size="100%">In order to validate P system models and to assist on their formal verification, simulators are indispensable. Moreover, having efficient simulation tools is crucial, and for this purpose, parallel platforms should be employed. So far, several parallel simulators for P systems have been developed, specifically targeting GPUs (Graphics Processing Units). Although being a hot topic within Membrane Computing, mapping P system parallelism on GPUs is still not a mature area. In the past, we have successfully accelerated the simulation of two specific families of P systems solving SAT with GPUs, and learned in the process some semantics ingredients that fit well on these parallel devices. We are extending this exploration by designing an specific simulator of a P system model for the FACTORIZATION problem. In this paper, we analyse the two main approaches for simulators, and depict some design decisions required for this case study.</style></abstract><issue><style face="normal" font="default" size="100%">2-3</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Cámpora Pérez, Daniel Hugo</style></author><author><style face="normal" font="default" size="100%">Neufeld, Niko</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Fast Local Algorithm for Track Reconstruction on Parallel Architectures</style></title><secondary-title><style face="normal" font="default" size="100%">2019 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><isbn><style face="normal" font="default" size="100%">978-1-7281-3510-6</style></isbn><accession-num><style face="normal" font="default" size="100%">18867645</style></accession-num></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">L.J. Casauay</style></author><author><style face="normal" font="default" size="100%">I.C. Macababayao</style></author><author><style face="normal" font="default" size="100%">F.G. Cabarle</style></author><author><style face="normal" font="default" size="100%">R.T. de la Cruz</style></author><author><style face="normal" font="default" size="100%">H.N. Adorna</style></author><author><style face="normal" font="default" size="100%">X. Zeng</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Framework for Evolving Spiking Neural  Systems</style></title><secondary-title><style face="normal" font="default" size="100%">The 8th Asian Conference on Membrane Computing (ACMC2019)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing (ACMC 2019)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><pub-location><style face="normal" font="default" size="100%">Xiamen (China)</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">C.A. Moredo</style></author><author><style face="normal" font="default" size="100%">R.C. Supelana</style></author><author><style face="normal" font="default" size="100%">D.P. Cailipan</style></author><author><style face="normal" font="default" size="100%">F.G. Cabarle</style></author><author><style face="normal" font="default" size="100%">R.T. de la Cruz</style></author><author><style face="normal" font="default" size="100%">H.N. Adorna</style></author><author><style face="normal" font="default" size="100%">X. Zeng</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Framework for Evolving Spiking Neural P Systems with Rules on Synapses</style></title><secondary-title><style face="normal" font="default" size="100%">The 8th Asian Conference on Membrane Computing (ACMC2019)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing (ACMC 2019)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><pub-location><style face="normal" font="default" size="100%">Xiamen (China)</style></pub-location><notes><style face="normal" font="default" size="100%">Best paper award</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">New applications for an old tool</style></title><secondary-title><style face="normal" font="default" size="100%">Seventeenth Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/new-applications.pdf</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">165-170</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A new perspective on computational complexity theory in Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Seventeenth Brainstorming Week on Membrane Computing, </style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/new-perspectives.pdf</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">117-125</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">B.C.D. Aboy</style></author><author><style face="normal" font="default" size="100%">E.J.A. Bariring</style></author><author><style face="normal" font="default" size="100%">J.P. Carandang</style></author><author><style face="normal" font="default" size="100%">F.G.C. Cabarle</style></author><author><style face="normal" font="default" size="100%">R.T. De La Cruz</style></author><author><style face="normal" font="default" size="100%">H.N. Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Optimizations in CuSNP simulator for Spiking Neural P Systems on CUDA GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">2nd BICAS Special Session, 2019 High Performance Computing &amp; Simulation (HPCS 2019)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 2019 High Performance Computing &amp; Simulation (HPCS 2019)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><pages><style face="normal" font="default" size="100%">535-542</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Artiom Alhazov</style></author><author><style face="normal" font="default" size="100%">Rudolf Freund</style></author><author><style face="normal" font="default" size="100%">Sergey Ivanov</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P Systems: From anti-matter to anti-rules</style></title><secondary-title><style face="normal" font="default" size="100%">Seventeenth Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/antimatter-antirules.pdf</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">41-58</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Results on Computational Complexity in Bio-inspired Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Bio-Inspired Computing Models and Algorithms</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://www.worldscientific.com/doi/abs/10.1142/9789813143180_0002</style></url></web-urls></urls><section><style face="normal" font="default" size="100%">Chapter 2</style></section><pages><style face="normal" font="default" size="100%">33-73</style></pages><isbn><style face="normal" font="default" size="100%">978-981-3143-19-7</style></isbn><abstract><style face="normal" font="default" size="100%">It is well known that the calculation speed of electronic processors has an upper bound which is clearly insufficient to efficiently solve instances whose size is relatively large associated with problems which model relevant real-life problems. In the last few decades, several computational paradigms inspired from nature have been developed with the aim of overcoming the barrier previously mentioned by using devices of the new computing models. For this purpose, the space–time trade-off method is used to develop efficient solutions to computationally hard problems. According to this, implementation of such models (in biological or any other substrate different from the electronic one) would provide a significant advance in the practical resolution of many real-life problems. Membrane computing is a computational paradigm motivated by the structure and functioning of the living cells, as well as from the organization of cells in tissues, organs, and other higher order structures. In this chapter, a computational complexity theory within the framework of Membrane Computing is introduced and the most relevant results obtained so far are presented.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving problems through a single membrane system</style></title><secondary-title><style face="normal" font="default" size="100%">20th International Conference on Membrane Computing, CMC20</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/single-membrane-systems.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Editura BIBLIOSTAR</style></publisher><pages><style face="normal" font="default" size="100%">439-450</style></pages><isbn><style face="normal" font="default" size="100%">978-606-8493-76-3</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">G. Zhang</style></author><author><style face="normal" font="default" size="100%">F. Neri</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving the feasibility problem in robotic motion planning by means of Enzymatic Numerical P systems</style></title><secondary-title><style face="normal" font="default" size="100%">The 8th Asian Conference on Membrane Computing (ACMC2019)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing (ACMC 2019)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><pub-location><style face="normal" font="default" size="100%">Xiamen (China)</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. 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Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Semantic Frontier of the Efficiency in Membrane Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Branch of International Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Asian Branch of International Conference on Membrane Computing (ACMC2018)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year><pub-dates><date><style  face="normal" font="default" size="100%">12/2018</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://researchspace.auckland.ac.nz/bitstream/handle/2292/45075/530ACMC2018.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">CDMTCS University of Auckland</style></publisher><pub-location><style face="normal" font="default" size="100%">Auckland, New Zealand</style></pub-location><volume><style face="normal" font="default" size="100%">CDMTCS-530</style></volume><pages><style face="normal" font="default" size="100%">180-190</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Bosheng Song</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Mario J. 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Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulation of Computing P Systems: A GPU Design for the Factorization Problem</style></title><secondary-title><style face="normal" font="default" size="100%">19th International Conference on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.book-on-demand.de/shop/15551</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Dresden, Germany</style></pub-location><pages><style face="normal" font="default" size="100%">239-242</style></pages><isbn><style face="normal" font="default" size="100%">978-3-96409-030-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis F. 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Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry N. Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Improving simulations of Spiking Neural P Systems in NVIDIA CUDA GPUs: CuSNP</style></title><secondary-title><style face="normal" font="default" size="100%">Fourteenth Brainstorming Week on Membrane Computing (BWMC2016)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/14bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">135-150</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Minimal cooperation in polarizationless P systems with active membranes</style></title><secondary-title><style face="normal" font="default" size="100%">Fourteenth Brainstorming Week on Membrane Computing (BWMC2016)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/14bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">327-356</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">María Arazo-Sánchez</style></author><author><style face="normal" font="default" size="100%">Marc Barroso-Mancha</style></author><author><style face="normal" font="default" size="100%">Óscar De-la-Torre-Pérez</style></author><author><style face="normal" font="default" size="100%">Laura Moreno-Valero</style></author><author><style face="normal" font="default" size="100%">Ariadna Ribes-Metidieri</style></author><author><style face="normal" font="default" size="100%">Patricia Ribes-Metidieri</style></author><author><style face="normal" font="default" size="100%">Ana Ventura-Barroso</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Stern-Gerlach Experiment</style></title><secondary-title><style face="normal" font="default" size="100%">Fourteenth Brainstorming Week on Membrane Computing (BWMC2016)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/14bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">101-112</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">María Arazo-Sánchez</style></author><author><style face="normal" font="default" size="100%">Marc Barroso-Mancha</style></author><author><style face="normal" font="default" size="100%">Óscar De-la-Torre-Pérez</style></author><author><style face="normal" font="default" size="100%">Laura Moreno-Valero</style></author><author><style face="normal" font="default" size="100%">Ariadna Ribes-Metidieri</style></author><author><style face="normal" font="default" size="100%">Patricia Ribes-Metidieri</style></author><author><style face="normal" font="default" size="100%">Ana Ventura-Barroso</style></author><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Uranium-238 decay chain</style></title><secondary-title><style face="normal" font="default" size="100%">Fourteenth Brainstorming Week on Membrane Computing (BWMC2016)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/14bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">113-130</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Weitao Yuan</style></author><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Tao Wang</style></author><author><style face="normal" font="default" size="100%">Zhiwei Huan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P systems based computing polynomials: Design and formal verification</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing (ACMC 2015)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Asian Conference on Membrane Computing (ACMC 2015)</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">automatic design</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">P system</style></keyword><keyword><style  face="normal" font="default" size="100%">polynomial</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">11/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/P%20system%20solving%20polynomial%20problem.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">1</style></volume><pages><style face="normal" font="default" size="100%">1-9</style></pages><abstract><style face="normal" font="default" size="100%">Automatic design of P systems is an attractive research topic
in the community of membrane computing. Differing from the previous
work that used evolutionary algorithms to fulfill the task, this paper
presents the design of a simple (deterministic transition) P system
(without input membrane) of degree 1, capturing the value of the korder
(k ≥ 2) polynomial by using a reasoning method. Specifically, the
values of polynomial p(n) corresponding to a natural number t is equal
to the multiplicity of a distinguished object of the system (the output
object) in the configuration at instant t. We also discuss the descriptive
computational resources required by the designed k-order polynomial P
system</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Kang Huang</style></author><author><style face="normal" font="default" size="100%">Tao Wang</style></author><author><style face="normal" font="default" size="100%">Yangyang He</style></author><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Temporal Fuzzy Reasoning Spiking Neural P Systems with Real Numbers for Power System Fault Diagnosis</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the Asian Conference on Membrane Computing (ACMC 2015)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing (ACMC 2015)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">11/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/rTFRSNP.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">8</style></volume><pages><style face="normal" font="default" size="100%">1-20</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hong Peng</style></author><author><style face="normal" font="default" size="100%">Jun Wang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Jian Xiao</style></author><author><style face="normal" font="default" size="100%">Guixiang Zhang</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Decision Tree Models Induced by Membrane Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing 2015 (WMC2015), Satellite workshop of UCNC2015</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Workshop on Membrane Computing 2015 (WMC2015), Satellite workshop of UCNC2015</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/Proceedings-WMC2015.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Centre for Discrete Mathematics and Theoretical Computer Science</style></publisher><pub-location><style face="normal" font="default" size="100%">Auckland, New Zealand</style></pub-location><pages><style face="normal" font="default" size="100%">107-116</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Tao Wang</style></author><author><style face="normal" font="default" size="100%">Sikui Zeng</style></author><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Jun Wang</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Fault Section Estimation of Power Systems with Optimization Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing 2015 (WMC2015), Satellite workshop of UCNC2015</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Workshop on Membrane Computing 2015 (WMC2015), Satellite workshop of UCNC2015</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/Proceedings-WMC2015.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Centre for Discrete Mathematics and Theoretical Computer Science</style></publisher><pub-location><style face="normal" font="default" size="100%">Auckland, New Zealand</style></pub-location><pages><style face="normal" font="default" size="100%">117-127</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Xu Chen</style></author><author><style face="normal" font="default" size="100%">Beizhan Wang</style></author><author><style face="normal" font="default" size="100%">XiangXiang Zeng</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Basic virus machines</style></title><secondary-title><style face="normal" font="default" size="100%">16th International Conference on Membrane Computing (CMC16)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 16th International Conference on Membrane Computing (CMC16)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">07/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://users.dsic.upv.es/workshops/cmc16/program.html</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Universitat Politecnica de Valencia</style></publisher><pub-location><style face="normal" font="default" size="100%">Valencia, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">323-342</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Bosheng Song</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Computational efficiency of P systems with symport/antiport rules and membrane separation</style></title><secondary-title><style face="normal" font="default" size="100%">Thirteenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Thirteenth Brainstorming Week on Membrane Computing, </style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/proceedings-13th-BWMC.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">1</style></volume><pages><style face="normal" font="default" size="100%">325-370</style></pages><abstract><style face="normal" font="default" size="100%">Spiking neural P systems (SN P systems) have been well established as a novel class of distributed parallel computing models. Some features that SN P systems possess are attractive to fault diagnosis. However, handling fuzzy diagnosis knowledge and reasoning is required for many fault diagnosis applications. The lack of ability is a major problem of existing SN P systems when applying them to the fault diagnosis domain. Thus, we extend SN P systems by introducing some new ingredients (such as three types of neurons, fuzzy logic and new firing mechanism) and propose the fuzzy reasoning spiking neural P systems (FRSN P systems). The FRSN P systems are particularly suitable to model fuzzy production rules in a fuzzy diagnosis knowledge base and their reasoning process. Moreover, a parallel fuzzy reasoning algorithm based on FRSN P systems is developed according to neuron’s dynamic firing mechanism. Besides, a practical example of transformer fault diagnosis is used to demonstrate the feasibility and effectiveness of the proposed FRSN P systems in fault diagnosis problem.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Bosheng Song</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Minimal cooperation in P systems with symport/antiport: A complexity approach</style></title><secondary-title><style face="normal" font="default" size="100%">Thirteenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Thirteenth Brainstorming Week on Membrane Computing, </style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/proceedings-13th-BWMC.pdf</style></url></web-urls></urls><edition><style face="normal" font="default" size="100%">1</style></edition><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">301-323</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francis G. C. Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry N. Adorna</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Notes on Spiking Neural P systems and finite automata</style></title><secondary-title><style face="normal" font="default" size="100%">Thirteenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Thirteenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Automatic sequences</style></keyword><keyword><style  face="normal" font="default" size="100%">finite automata</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">spiking neural P systems</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/proceedings-13th-BWMC.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">77-89</style></pages><abstract><style face="normal" font="default" size="100%">Spiking neural P systems (in short, SNP systems) are membrane computing
models inspired by the pulse coding of information in biological neurons. SNP systems
with standard rules have neurons that emit at most one spike (the pulse) each step, and
have either an input or output neuron connected to the environment. SNP transducers
were introduced, where both input and output neurons were used. More recently, SNP
modules were introduced which generalize SNP transducers: extended rules are used
(more than one spike can be emitted each step) and a set of input and output neurons can
be used. In this work we continue relating SNP modules and finite automata: (i) we amend
previous constructions for DFA and DFST simulations, (ii) improve the construction
from three neurons down to one neuron, (iii) DFA with output are simulated, and (iv)
we generate automatic sequences using results from (iii).</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Parallel simulation of PDP systems: Update and roadmap</style></title><secondary-title><style face="normal" font="default" size="100%">Thirteenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Thirteenth Brainstorming Week on Membrane Computing, </style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2015</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/proceedings-13th-BWMC.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">227-243</style></pages><abstract><style face="normal" font="default" size="100%">PDP systems are a type of multienvironment P systems, which serve as a
formal modeling framework for Population Dynamics. The accurate simulation of these
probabilistic models entails large run times. Hence, parallel platforms such as GPUs has
been employed to speedup the simulation. In 2012 [14], the first GPU simulator of PDP
systems was presented. In this paper, we present current updates made on this simulator,
and future developments to consider.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Accelerated Simulation of P Systems on the GPU: A Survey</style></title><secondary-title><style face="normal" font="default" size="100%">9th International Conference on Bio-Inspired Computing: Theories and Applications</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Communications in Computer and Information Science</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://link.springer.com/chapter/10.1007%2F978-3-662-45049-9_50</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer</style></publisher><pub-location><style face="normal" font="default" size="100%">Berlín, Alemania</style></pub-location><volume><style face="normal" font="default" size="100%">472</style></volume><pages><style face="normal" font="default" size="100%">308-312</style></pages><isbn><style face="normal" font="default" size="100%">978-3-662-45048-2</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Antimatter as a Frontier of Tractability in Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">155-168</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Tao Wang</style></author><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Application of Weighted Fuzzy Reasoning Spiking Neural P Systems to Fault Diagnosis in Traction Power Supply Systems of High-speed Railways</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">329-350</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A bioinspired computing approach to model complex systems. Invited talk</style></title><secondary-title><style face="normal" font="default" size="100%">15th Conference on Membrane Computing, pre-proceedings</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc15.slu.cz/wp-content/uploads/2014/01/cmc15_proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Opava, Czech Republic</style></pub-location><pages><style face="normal" font="default" size="100%">11-14</style></pages><isbn><style face="normal" font="default" size="100%">978-80-7510-036-8</style></isbn><notes><style face="normal" font="default" size="100%">Invited talk</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Tao Song</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Extending SNP Systems Asynchronous Simulation Modes in P-Lingua</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">261-280</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Tao Wang</style></author><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Fault Diagnosis Models for Electric Locomotive Systems Based on Fuzzy Reasoning Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">15th Conference on Membrane Computing, pre-proceedings</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc15.slu.cz/wp-content/uploads/2014/01/cmc15_proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Opava, Czech Republic</style></pub-location><pages><style face="normal" font="default" size="100%">361-374</style></pages><isbn><style face="normal" font="default" size="100%">978-80-7510-036-8</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hong Peng</style></author><author><style face="normal" font="default" size="100%">J. Zhang</style></author><author><style face="normal" font="default" size="100%">J. Wang</style></author><author><style face="normal" font="default" size="100%">T. Wang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane Clustering: A Novel Clustering Algorithm under Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">311-328</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Probabilistic Guarded P Systems, A formal Definition</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">183-206</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Probabilistic Guarded P systems, a New Formal Modelling Framework</style></title><secondary-title><style face="normal" font="default" size="100%">15th Conference on Membrane Computing, pre-proceedings</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc15.slu.cz/wp-content/uploads/2014/01/cmc15_proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Opava, Czech Republic</style></pub-location><pages><style face="normal" font="default" size="100%">169-190</style></pages><isbn><style face="normal" font="default" size="100%">978-80-7510-036-8</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rodica Ceterchi</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The Reduction Problem in CUDA and Its Simulation with P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">91-102</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">David Orellana-Martín</style></author><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Revisiting Sevilla Carpets: A New Tool for the P-Lingua Era</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">281-292</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Self-constructing Recognizer P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">137-154</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Z. Gazdag</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">G. Kolonits</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating Turing Machines with Polarizationless P Systems with Active Membranes</style></title><secondary-title><style face="normal" font="default" size="100%">15th Conference on Membrane Computing, pre-proceedings</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc15.slu.cz/wp-content/uploads/2014/01/cmc15_proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Opava, Czech Republic</style></pub-location><pages><style face="normal" font="default" size="100%">205-216</style></pages><isbn><style face="normal" font="default" size="100%">978-80-7510-036-8</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Z. Gazdag</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving the ST-Connectivity Problem with Pure Membrane Computing Techniques</style></title><secondary-title><style face="normal" font="default" size="100%">Twelfth Brainstorming Week on Membrane Computing (BWMC2014)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/12bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">207-220</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940056-4-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Z. Gazdag</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving the ST-Connectivity Problem with Pure Membrane Computing Techniques</style></title><secondary-title><style face="normal" font="default" size="100%">15th Conference on Membrane Computing, pre-proceedings</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc15.slu.cz/wp-content/uploads/2014/01/cmc15_proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Opava, Czech Republic</style></pub-location><pages><style face="normal" font="default" size="100%">191-204</style></pages><isbn><style face="normal" font="default" size="100%">978-80-7510-036-8</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Yansen Su</style></author><author><style face="normal" font="default" size="100%">Hui Yu</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Analysing Gene Networks with PDP Systems. Arabidopsis thaliana, a Case Study</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">bioinformatics</style></keyword><keyword><style  face="normal" font="default" size="100%">Gene networks</style></keyword><keyword><style  face="normal" font="default" size="100%">Genetics</style></keyword><keyword><style  face="normal" font="default" size="100%">LAPP</style></keyword><keyword><style  face="normal" font="default" size="100%">Logic networks</style></keyword><keyword><style  face="normal" font="default" size="100%">MeCoSim</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Modelling</style></keyword><keyword><style  face="normal" font="default" size="100%">Software engineering</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/257_valencia_cabrera.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">257-272</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">Gene Regulatory Networks (GRNs) are a useful tool for biologists to understand
the interactions among genes in living organisms. A special kind of GRNs known
as Logic Networks (LNs) has been recently introduced. These networks consider that
the state of one or more genes can in
uence another one. In a previous work, we proposed
a Membrane Computing model which simulates the dynamics of LNs by drawing
on the improved LAPP algorithm. In this paper we provide a case study for our LN
model on a network which regulates the circadian rhythms of long{term studied plant
Arabidopsis thaliana. We outline the software tools employed and propose a methodology
for analysing LNs on our Membrane Computing model. At the end of the paper, some
conclusions and future work are included.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Grzegorz Rozenberg</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Bridging Membrane and Reaction Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/243_paun_perez_rozenberg.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">243-256</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">This paper continues an investigation into bridging two research areas con-
cerned with natural computing: membrane computing and reaction systems. More specif-
ically, the paper considers a transfer of two assumptions/axioms of reaction systems, non-
permanency and the threshold assumption, into the framework of membrane computing.
It is proved that: (1) SN P systems with non-permanency of spikes assumption charac-
terize the semilinear sets of numbers, and (2) symport/antiport P systems with threshold
assumption (translated as ! multiplicity of objects) can solve SAT in polynomial time.
Also, several open research problems are stated.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Zylynn F. Bangalan</style></author><author><style face="normal" font="default" size="100%">Krizia A N. Soriano</style></author><author><style face="normal" font="default" size="100%">Richelle A.B. Juayong</style></author><author><style face="normal" font="default" size="100%">Francis G. Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry N. Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A GPU Simulation for Evolution-Communication P Systems with Energy Having no Antiport Rules</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/25_bangalan_soriano.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">25-50</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">Evolution-Communication P system with energy (ECPe systems) is a cell-
like variant P system which establishes a dependence between evolution and communi-
cation through special objects, called `energy,' produced during evolution and utilized
during communication. This paper presents our initial progress and eorts on the im-
plementation and simulation of ECPe systems using Graphics Processing Units (GPUs).
Our implementation uses matrix representation and operations presented in a previous
work. Specically, an implementation of computations on ECPe systems without antiport
rules is discussed.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Florentin Ipate</style></author><author><style face="normal" font="default" size="100%">Ciprian Dragomir</style></author><author><style face="normal" font="default" size="100%">Laurentiu Mierla</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Kernel P Systems - Version I</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/097_gheorghe_ipate.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">97-124</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">A basic P system, called kernel P system4 (kP system for short), combining
features of dierent P systems introduced and studied so far is dened and discussed. The
structure of such systems is dened as a dynamic graph, similar to tissue-like P systems,
the objects are organised as multisets, and the rules in each compartment, rewriting and
communication together with system structure changing rules, are applied in accordance
with a specic execution strategy. The denition of kP systems is introduced and some
examples illustrate this concept. Two classes of P systems, namely neural-like and generalised
communicating P systems are simulated by kP systems. Some case studies prove
the expressive power of these systems.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Preface</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/preface.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">vii-ix</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Rete Algorithm for P Systems Simulators</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/125_graciani_gutierrez.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">125-136</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">The Rete algorithm is a well-known algorithm in rule-based production systems
which builds directed acyclic graphs that represent higher-level rule sets. This allows
the rule-based systems to avoid complete re-evaluation of all conditions of the rules each
step in order to check the applicability of the rules and, therefore, the computational
eciency of the production systems is improved. In this paper we study how these ideas
can be applied in the improvement of the design of computational simulators in the
framework of Membrane Computing.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Jesús Pérez-Carrasco</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating a Family of Tissue P Systems Solving SAT on the GPU</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">GPU Computing 1 Introduction</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">SAT</style></keyword><keyword><style  face="normal" font="default" size="100%">Tissue P Systems</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/201_martinez_del_amor.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">201-220</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">In order to provide efficient software tools to deal with large membrane
systems, high-throughput simulators are required. Parallel computing platforms are good
candidates, since they are capable of partially implementing the inherently parallel nature
of the model. In this concern, today GPUs (Graphics Processing Unit) are considered as
highly parallel processors, and they are being consolidated as accelerators for scientific
applications. In fact, previous attempts to design P systems simulators on GPUs have
shown that a parallel architecture is better suited in performance than traditional single
CPUs.
In 2010, a GPU-based simulator was introduced for a family of P systems with active
membranes solving SAT in linear time. This is the starting point of this paper, which
presents a new GPU simulator for another polynomial-time solution to SAT by means of
tissue P systems with cell division, trading space for time. The aim of this simulator is
to further study which ingredients of different P systems models are well suited to be
managed by the GPU.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ioan Ardelean</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Iris Sarchizian</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Studying the Chlorophyll Fluorescence in Cyanobacteria with Membrane Computing Techniques</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Brainstorming Week on Membrane Computing (11BWMC)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11bwmc/009_ardelean_diaz.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">9-24</style></pages><isbn><style face="normal" font="default" size="100%">978-84-940691-9-2</style></isbn><abstract><style face="normal" font="default" size="100%">In this paper, we report a pioneer study of the decrease in chlorophyll 
uorescence
produced by the reduction of MTT (a dimethyl thiazolyl diphenyl tetrazolium
salt) monitored using an epi
uorescence microscope coupled to automate image analysis
in the framework of P systems. Such analysis has been performed by a family of tissue
P systems working on the images as data input.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Florentin Ipate</style></author><author><style face="normal" font="default" size="100%">Raluca Lefticaru</style></author><author><style face="normal" font="default" size="100%">Laurentiu Mierla</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Huang Han</style></author><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Ciprian Dragomir</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Zhixiang Yin</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Xianwen Fang</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Kernel P Systems: Applications and Implementations</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth International Conference on Bio-Inspired Computing: Theories and Applications (BIC-TA), 2013</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Formal Verification</style></keyword><keyword><style  face="normal" font="default" size="100%">kernel P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Subset sum problem</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">07/2013</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://link.springer.com/chapter/10.1007%2F978-3-642-37502-6_126</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer Berlin Heidelberg</style></publisher><pub-location><style face="normal" font="default" size="100%">Amsterdam, the Netherlands</style></pub-location><volume><style face="normal" font="default" size="100%">212</style></volume><pages><style face="normal" font="default" size="100%">1081-1089</style></pages><isbn><style face="normal" font="default" size="100%">978-3-642-37501-9</style></isbn><abstract><style face="normal" font="default" size="100%">This paper explores the modelling capacities of a new class of P systems, called kernel P systems (kP systems). A specific language for describing kP systems and its translation into Promela, the specification language of Spin, are described. This Promela specification has been further used for simulation and property verification with the Spin model checker. Also, a parallel implementation on GPU parallel architectures, realized using CUDA, is presented and the results are compared with the ones obtained using Promela and Spin. A case study, namely the Subset sum problem, which has been modelled with kernel P systems and further implemented in Promela is presented.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Y. Wang</style></author><author><style face="normal" font="default" size="100%">J. Cheng</style></author><author><style face="normal" font="default" size="100%">T. Wang</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">The P versus NP problem: Unconventional insights from Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Second Asian Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Second Asian Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">Second Asian Conference on Membrane Computing</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">7</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">José M. Chacón</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Y. Wang</style></author><author><style face="normal" font="default" size="100%">J. Cheng</style></author><author><style face="normal" font="default" size="100%">T. Wang</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A P-Lingua based simulator for tissue P systems with cell separation</style></title><secondary-title><style face="normal" font="default" size="100%">Second Asian Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Second Asian Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year></dates><pages><style face="normal" font="default" size="100%">208-220</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Artiom Alhazov</style></author><author><style face="normal" font="default" size="100%">S. Cojocaru</style></author><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Yurii Rogozhin</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">The relevance of the environment on the efficiency of tissue P systems</style></title><secondary-title><style face="normal" font="default" size="100%">14th International Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 14th International Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year></dates><publisher><style face="normal" font="default" size="100%">http://www.math.md/cmc14/</style></publisher><pages><style face="normal" font="default" size="100%">283-295</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Yansen Su</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Hui Yu</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Tao Song</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Modeling logic gene networks by means of probabilistic dynamic P systems</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">10/2012</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Wuhan, China</style></pub-location><pages><style face="normal" font="default" size="100%">30-60</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Tao Song</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">New frontiers of the efficiency in tissue P systems</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">10/2012</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Wuhan, China</style></pub-location><pages><style face="normal" font="default" size="100%">61-73</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Tao Song</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">On recent developments in P-lingua based simulators for Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">10/2012</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Wuhan, China</style></pub-location><pages><style face="normal" font="default" size="100%">14-29</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francisco J. Romero-Campero</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Tao Song</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">P systems as a modeling framework for molecular Systems Biology</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-proceedings of Asian Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">10/2012</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Wuhan, China</style></pub-location><pages><style face="normal" font="default" size="100%">8-10</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Yanhui Qin</style></author><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Ji-Xiang Gheng</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Tao Song</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Population-Membrane-System-Inspired Evolutionary Algorithm for Distribution Network Reconfiguration</style></title><secondary-title><style face="normal" font="default" size="100%">Asian Conference on Membrane Computing (ACMC 2012)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-Proceedings of Asian Conference on Membrane Computing (ACMC 2012)</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">distribution system reconfiguration</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">membrane-inspired evolutionary algorithm</style></keyword><keyword><style  face="normal" font="default" size="100%">population P system</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">10/2012</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Huazhong University of Science and Technology</style></publisher><pub-location><style face="normal" font="default" size="100%">Wuhan, China</style></pub-location><pages><style face="normal" font="default" size="100%">139 -160</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">This paper develops a population-membrane-system-inspired
evolutionary algorithm, PMSIEA, which is designed by using a popula-
tion P system and a quantum-inspired evolutionary algorithm (QIEA).
We use a population P system with three cells to organize three types of
QIEAs, where communications between cells are performed at the level
of genes, instead of the level of individuals reported in the existing mem-
brane algorithms in the literature. Knapsack problems are applied to
discuss the parameter setting and to test the effectiveness of PMSIEA.
Experimental results show that PMSIEA is superior to four representa-
tive QIEAs and our previous work with respect to the quality of solutions
and the elapsed time. We also use PMSIEA to solve the optimal distri-
bution system reconfiguration problem in power systems for minimizing
the power loss.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">DCBA: Simulating population dynamics P systems with proportional object distribution</style></title><secondary-title><style face="normal" font="default" size="100%">13th International Conference on Membrane Computing (CMC13)</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">DCBA</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">P-Lingua</style></keyword><keyword><style  face="normal" font="default" size="100%">pLinguaCore</style></keyword><keyword><style  face="normal" font="default" size="100%">Population Dynamics P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Probabilistic P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Simulation Algorithm</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.sztaki.hu/tcs/proba/cmc13/CMC13-proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Budapest, Hungary</style></pub-location><pages><style face="normal" font="default" size="100%">291-310</style></pages><isbn><style face="normal" font="default" size="100%">978-963-311-372-1 </style></isbn><abstract><style face="normal" font="default" size="100%">Population Dynamics P systems (PDP systems, in short)
refer to a formal framework for ecological modelling. The semantics
of the model associates probabilities with rules, but inasmuch as
the model is based on P systems, the rules are also applied in a
maximally parallel way. Following the success of the first model using
this framework, initially called multienvironment probabilistic P systems,
several simulation algorithms have been developed in order to better
reproduce the behaviour of the ecosystems being modelled.
It is natural for those algorithms to classify the rules from the model
into blocks, comprising rules that share identical left-hand side. Previous
algorithms, such as the Binomial Block Based (BBB) or the Direct Non
Deterministic distribution with Probabilities (DNDP), do not define
a deterministic behaviour for blocks of rules competing for the same
resources. In this paper we introduce the Direct distribution based on
Consistent Blocks Algorithm (DCBA), a simulation algorithm which
address that inherent non-determinism of the model by distributing
proportionally the resources.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The efficiency of tissue P systems with cell separation relies on the environment</style></title><secondary-title><style face="normal" font="default" size="100%">13th International Conference on Membrane Computing (CMC13)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.sztaki.hu/tcs/proba/cmc13/CMC13-proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Budapest, Hungary</style></pub-location><pages><style face="normal" font="default" size="100%">277-290</style></pages><isbn><style face="normal" font="default" size="100%">978-963-311-372-1</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rudolf Freund</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Sergey Verlan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A formal framework for P systems with dynamic structure</style></title><secondary-title><style face="normal" font="default" size="100%">13th International Conference on Membrane Computing (CMC13)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.sztaki.hu/tcs/proba/cmc13/CMC13-proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Budapest, Hungary</style></pub-location><pages><style face="normal" font="default" size="100%">199-210</style></pages><isbn><style face="normal" font="default" size="100%">978-963-311-372-1</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking neural P systems with functional astrocytes</style></title><secondary-title><style face="normal" font="default" size="100%">13th International Conference on Membrane Computing (CMC13)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.sztaki.hu/tcs/proba/cmc13/CMC13-proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Budapest, Hungary</style></pub-location><pages><style face="normal" font="default" size="100%">259-276</style></pages><isbn><style face="normal" font="default" size="100%">978-963-311-372-1</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Florentin Ipate</style></author><author><style face="normal" font="default" size="100%">Ciprian Dragomir</style></author><author><style face="normal" font="default" size="100%">Raluca Lefticaru</style></author><author><style face="normal" font="default" size="100%">Laurentiu Mierla</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Using a kernel P system to solve the 3-Col problem</style></title><secondary-title><style face="normal" font="default" size="100%">13th International Conference on Membrane Computing (CMC13)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.sztaki.hu/tcs/proba/cmc13/CMC13-proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Budapest, Hungary</style></pub-location><pages><style face="normal" font="default" size="100%">243-258</style></pages><isbn><style face="normal" font="default" size="100%">978-963-311-372-1</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Antonio Berciano</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">M. Ferri</style></author><author><style face="normal" font="default" size="100%">P. Frosini</style></author><author><style face="normal" font="default" size="100%">C. Landi</style></author><author><style face="normal" font="default" size="100%">A. Cerri</style></author><author><style face="normal" font="default" size="100%">B. Di-Fabio</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Parallel Skeletonizing of Digital Imagery by Using Cellular Automata</style></title><secondary-title><style face="normal" font="default" size="100%">Lecture Notes in Computer Science</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of 4th International Workshop in Computational Topology in Image Context (CTIC 2012)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">05/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://ctic2012.dm.unibo.it/</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer Verlag</style></publisher><pub-location><style face="normal" font="default" size="100%">Bertinoro, Italy</style></pub-location><volume><style face="normal" font="default" size="100%">7309 </style></volume><pages><style face="normal" font="default" size="100%">39-48</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Tao Song</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Asynchronous Spiking Neural P Systems with Local Synchronization</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/Local_Syn_SNP2lq.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">187-206</style></pages><abstract><style face="normal" font="default" size="100%">Spiking neural P systems (SN P systems, for short) are a class of distributed
parallel computing devices inspired from the way neurons communicate by means of
spikes. Asynchronous SN P systems are non-synchronized systems, where the use of spik-
ing rules (even if they are enabled by the contents of neurons) is not obligatory. In this
paper, with a biological inspiration (in order to achieve some specic biological func-
tioning, neurons from the same functioning motif or community work synchronously to
cooperate with each other), we introduce the notion of local synchronization into asyn-
chronous SN P systems. The computation power of asynchronous SN P systems with
local synchronization is investigated. Such systems consisting of general neurons (resp.
unbounded neurons) and using standard spiking rules are proved to be universal. Asyn-
chronous SN P systems with local synchronization consisting of bounded neurons and
using standard spiking rules characterize the semilinear sets of natural numbers. These
results show that the local synchronization is useful, it provides some \programming
capacity&quot; useful for achieving a desired computational power.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Raúl Reina-Molina</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Cell Complexes and Membrane Computing for Thinning 2D and 3D Images</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/MCThinning_bwmc.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">167-186</style></pages><abstract><style face="normal" font="default" size="100%">In this paper, we show a new example of bridging Algebraic Topology,
Membrane Computing and Digital Images. In [24], a new algorithm for thinning multi-
dimensional black and white digital images by using cell complexes was presented. Such
cell complexes allow a discrete partition of the space and the algorithm preserves topolog-
ical and geometrical properties of the image. In this paper, we present a parallel adapta-
tion of such algorithm to P systems, by introducing some concepts of Algebraic Topology
in the Membrane Computing framework. The chosen model for the implementation is
tissue-like P systems with promoters, inhibitors and priorities.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ioan Ardelean</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Raúl Reina-Molina</style></author><author><style face="normal" font="default" size="100%">Iris Sarchizian</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Counting Cells with Tissue-like P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/counting_cells_bwmc.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">69-78</style></pages><abstract><style face="normal" font="default" size="100%">Counting the number of cells obtained in an experiment is crucial in many
areas in Biology. Nonetheless, this is usually performed by hand by the researcher due the
intrinsic diﬃculty of the task. In this paper, we present a set of techniques for counting
cells inspired in the treatment of Digital Images via tissue-like P systems with promoters.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">DCBA: Simulating Population Dynamics P Systems with Proportional Object Distribution</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">DCBA</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">P-Lingua</style></keyword><keyword><style  face="normal" font="default" size="100%">pLinguaCore</style></keyword><keyword><style  face="normal" font="default" size="100%">Population Dynamics</style></keyword><keyword><style  face="normal" font="default" size="100%">Probabilistic P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Simulation Algorithm</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/dcba.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">27-56</style></pages><abstract><style face="normal" font="default" size="100%">Population Dynamics P systems refer to a formal framework for ecological
modelling. The semantics of the model associates probabilities to rules, but at the
same time, the model is based on P systems, so the rules are applied in a maximally
parallel way. Since the success of the rst model using this framework [5], initially
called multienvironment probabilistic P systems, several simulation algorithms have been
dened in order to better reproduce the behaviour of the ecosystems with the models.
BBB and DNDP are previous attempts, which dene blocks of rules having the
same left-hand side, but do not dene a deterministic behaviour when dierent rules are
competing for the same resources. That is, dierent blocks of rules present in their left-
hand side common objects, being applicable at the same time. In this paper, we introduce
a new simulation algorithm, called DCBA, which performs a proportional distribution of
resources.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rudolf Freund</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Sergey Verlan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Formal Framework for P Systems with Dynamic Structure</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/AgustinSerghei.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">111-122</style></pages><abstract><style face="normal" font="default" size="100%">This article introduces a formalism/framework able to describe diﬀerent
variants of P systems having a dynamic structure. This framework can be useful for
the deﬁnition of new variants of P systems with dynamic structure, for the comparison
of existing deﬁnitions as well as for their extension. We give a precise deﬁnition of the
formalism and show how existing variants of P systems with dynamic structure can be
translated to it.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Frontiers of Membrane Computing: Open problems and research topics</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/megaPfinal.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">171-250</style></pages><abstract><style face="normal" font="default" size="100%">This is a list of open problems and research topics collected after the Twelfth
Conference on Membrane Computing, CMC 2012 (Fontainebleau, France (23 - 26 August 2011), meant initially to be a working material for Tenth Brainstorming Week on
Membrane Computing, Sevilla, Spain (January 30 - February 3, 2012). The result was
circulated in several versions before the brainstorming and then modiﬁed according to
the discussions held in Sevilla and according to the progresses made during the meeting.
In the present form, the list gives an image about key research directions currently active
in membrane computing</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hong Peng</style></author><author><style face="normal" font="default" size="100%">Jie Shao</style></author><author><style face="normal" font="default" size="100%">Bing Li</style></author><author><style face="normal" font="default" size="100%">Jun Wang</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Yang Jiang</style></author><author><style face="normal" font="default" size="100%">Yufan Yang</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Image Thresholding with Cell-like P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Celllike P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Image segmentation</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Thresholding approach</style></keyword><keyword><style  face="normal" font="default" size="100%">Total fuzzy entropy</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/Hong%20Peng%20et%20al%20-%2010th%20BWMC.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">75-88</style></pages><abstract><style face="normal" font="default" size="100%">P systems are a new class of distributed parallel computing models. In this
paper, a novel three-level thresholding approach for image segmentation based on celllike P systems is proposed in order to improve the computational eﬃciency of multilevel thresholding. A cell-like P system with a specially designed membrane structure is
developed and an improved evolution mechanism is integrated into the cell-like P system.
Due to parallel computing ability and particular mechanism of the cell-like P system, the
presented thresholding approach can eﬀectively search the optimal thresholds for threelevel thresholding based on total fuzzy entropy. Experimental results of both qualitative
and quantitative comparisons for the proposed approach and GA-based and PSO-based
approaches illustrate the applicability and eﬀectiveness.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Petr Sosik</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Improving the Efficiency of Tissue P Systems with Cell Separation</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/mario-sosik.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">105-140</style></pages><abstract><style face="normal" font="default" size="100%">Cell ﬁssion process consists of the division of a cell into two new cells such
that the contents of the initial cell is distributed between the newly created cells. This
process is modelled by a new kind of cell separation rules in the framework of Membrane
Computing. Speciﬁcally, in tissue-like membrane systems, cell separation rules have been
considered joint with communication rules of the form symport/antiport. These models
are able to create an exponential workspace, expressed in terms of the number of cells,
in linear time. On the one hand, an eﬃcient and uniform solution to the SAT problem by
using cell separation and communication rules with length at most 8 has been recently
given. On the other hand, only tractable problems can be eﬃciently solved by using
cell separation and communication rules with length at most 1. Thus, in the framework
of tissue P systems with cell separation, and assuming that P is different from NP, a ﬁrst frontier
between eﬃciency and non-eﬃciency is obtained when passing from communication rules
with length 1 to communication rules with length at most 8.
In this paper we improve the previous result by showing that the SAT problem can be
solved by a family of tissue P systems with cell separation in linear time, by using communication rules with length at most 3. Hence, we provide a new tractability borderline:
passing from 1 to 3 amounts to passing from non–eﬃciency to eﬃciency, assuming that
P is different from NP.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Languages and P Systems: Recent Developments</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/languagesinMC.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">61-74</style></pages><abstract><style face="normal" font="default" size="100%">Languages appeared from the very beginning in membrane computing, by
their length sets or directly as sets of strings. We brieﬂy recall here this relationship, with
some details about certain recent developments. In particular, we discuss the possibility
to associate a control word with a computation in a P system. An improvement of a result
concerning the control words of spiking neural P systems is given: regular languages can
be obtained as control words of such systems with only four neurons (and with usual
extended rules: no more spikes are produces than consumed). Several research topics are
pointed out.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gexiang Zhang</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Yanhui Qin</style></author><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Membrane-Inspired Evolutionary Algorithm with a Population P System and its Application to Distribution System Reconfiguration</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Membrane computing; membrane-inspired evolutionary algorithm; population P system; distribution system reconﬁguration</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/psma_bwmc.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">277-292</style></pages><abstract><style face="normal" font="default" size="100%">This paper develops a membrane-inspired evolutionary algorithm, PSMA,
which is designed by using a population P system and a quantum-inspired evolutionary algorithm (QIEA). We use a population P system with three cells to organize three
types of QIEAs, where communications between cells are performed at the level of genes,
instead of the level of individuals reported in the existing membrane algorithms in the
literature. Knapsack problems are applied to discuss the parameter setting and to test
the eﬀectiveness of PSMA. Experimental results show that PSMA is superior to four representative QIEAs and our previous work with respect to the quality of solutions and the
elapsed time. We also use PSMA to solve the optimal distribution system reconﬁguration
problem in power systems for minimizing the power loss.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Richelle A.B. Juayong</style></author><author><style face="normal" font="default" size="100%">Francis Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">On the Simulations of Evolution-Communication P Systems with Energy without Antiport Rules for GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">GPU Computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">parallel computing</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/ecpe-bwmc10.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">267-290</style></pages><abstract><style face="normal" font="default" size="100%">In this report, we present our initial proposal on simulating computations on
a restricted variant of Evolution-Communication P system with energy (ECPe system)
which will then be implemented in Graphics Processing Units (GPUs). This ECPe sys-
tems variant prohibits the use of antiport rules for communication. Several possible levels
of parallelizations for simulating ECPe systems computations on GPUs are emphasized.
Our work is based on a localized matrix representation for the mentioned variant given
in a previous literature. Our proposal employs a methodology for forward computing also
discussed in the said literature.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Antonio E. Porreca</style></author><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An Optimal Frontier of the Efficiency of Tissue P Systems with Cell Division</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/mario-enrico-niall-revised.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">141-166</style></pages><abstract><style face="normal" font="default" size="100%">In the framework of tissue P systems with cell division, the length of communication rules provides a frontier for the tractability of decision problems. On the
one hand, the limitation on the eﬃciency of tissue P systems with cell division and
communication rules of length 1 has been established. On the other hand, polynomial
time solutions to NP–complete problems by using families of tissue P systems with cell
division and communication rules of length at most 3 has been provided.
In this paper, we improve the previous result by showing that the HAM-CYCLE problem
can be solved in polynomial time by a family of tissue P systems with cell division by
using communication rules with length at most 2. Hence, a new tractability boundary is
given: passing from 1 to 2 amounts to passing from non–eﬃciency to eﬃciency, assuming
that P is different from NP.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ian Karlin</style></author><author><style face="normal" font="default" size="100%">Rune E. Jensen</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Anne C. Elster</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Parallel Simulation of Probabilistic P Systems on Multicore Platforms</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Multicore Computing</style></keyword><keyword><style  face="normal" font="default" size="100%">OpenMP</style></keyword><keyword><style  face="normal" font="default" size="100%">P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Parallel Simulation</style></keyword><keyword><style  face="normal" font="default" size="100%">Population Dynamics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/parallel-dcba.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">17-26</style></pages><abstract><style face="normal" font="default" size="100%">Ecologists need to model ecosystems to predict how they will evolve over
time. Since ecosystems are non-deterministic phenomena, they must express the likeli-
hood of events occurring, and measure the uncertainty of their models' predictions. One
method well suited to these demands is Population Dynamic P systems (PDP systems, in
short), which is a formal framework based on multienvironment probabilistic P systems.
In this paper, we show how to parallelize a Population Dynamics P system simulator,
used to model biological systems, on multi-core processors, such as the Intel i5 Nehalem
and i7 Sandy Bridge. A comparison of three dierent techniques, discuss their strengths
and weaknesses, and evaluate their performance on two generations of Intel processors
with large memory sub-system dierences is presented. We show that P systems are
memory bound computations and future performance optimization eorts should focus
on memory trac reductions. We achieve runtime gains of up to 2.5x by using all the
cores of a single socket 4-core Intel i7 built on the Sandy Bridge architecture. From our
analysis of these results we identify further ways to improve the runtime of our simulator.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author><author><style face="normal" font="default" size="100%">Francisco J. Romero-Campero</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The Role of the Environment in Tissue P Systems with Cell Division</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">cell division</style></keyword><keyword><style  face="normal" font="default" size="100%">Computational Complexity</style></keyword><keyword><style  face="normal" font="default" size="100%">Environment of a tissue</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Tissue P Systems</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolII/papers/mario-complejidad.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">89-104</style></pages><abstract><style face="normal" font="default" size="100%">Classical tissue P systems with cell division have a special alphabet whose
elements appear at the initial conﬁguration of the system in an arbitrary large number
of copies. These objects are shared in a distinguished place of the system, called the environment. Besides, the ability of these computing devices to have inﬁnite copies of some
objects has been widely exploited in the design of eﬃcient solutions to computationally
hard problems.
This paper deals with computational aspects of tissue P systems with cell division
where there is not an environment having the property mentioned above. Speciﬁcally,
we establish the relationships between the polynomial complexity class associated with
tissue P systems with cell division and with or without environment. As a consequence,
we prove that it is not necessary to have inﬁnite copies of some objects at the initial
conﬁguration in order to solve NP–complete problems in an eﬃcient way.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Ana B. Pavel</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating large-scale ENPS models by means of GPU</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Enzymatic Numerical P Systems</style></keyword><keyword><style  face="normal" font="default" size="100%">GPU</style></keyword><keyword><style  face="normal" font="default" size="100%">simulation</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/Simulating_complex_ENPS_models_by_means_of_GPU_complete.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">137-152</style></pages><abstract><style face="normal" font="default" size="100%">Enzymatic Numerical P Systems (ENPS), an extension of Numerical P
Systems, have been successfully applied to model robot controllers. GPGPU is an
innovative technological paradigm which applies the parallel architecture of graphic cards
to solve parallel, general{purpose problems. In previous work, a GPU simulator for ENPS
was introduced. In this paper, a performance analysis on the simulator is performed in
order to experimentally measure the speed-up factors resulting from the simulations.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Skeletonizing Images by Using Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/skel_snps_bwmc.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">91-110</style></pages><abstract><style face="normal" font="default" size="100%">Skeletonizing an image is representing a shape with a small amount of information by converting the initial image into a more compact representation and keeping
the meaning features. In this paper we use spiking neural P systems to solve this problem.
Based on such devices, a parallel software has been implemented on the GPU architecture. Some real-world applications and open lines for future research are also presented.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Raluca Lefticaru</style></author><author><style face="normal" font="default" size="100%">Florentin Ipate</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Adrian Turcanu</style></author><author><style face="normal" font="default" size="100%">Cristina Tudose</style></author><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Ionut M. Niculescu</style></author><author><style face="normal" font="default" size="100%">Ciprian Dragomir</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Towards an Integrated Approach for Model Simulation, Property Extraction and Verification of P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Tenth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Tenth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2012</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/10BWMC/10BWMCvolI/papers/paper_pit_sev_sheff.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">291-318</style></pages><abstract><style face="normal" font="default" size="100%">This paper presents an integrated approach for model simulation, property
extraction and formal verication of P systems, illustrated on a tissue P system with
active membranes solving the 3-colouring problem. The paper focuses on this problem
and reports the invariants and the properties extracted and veried using a series of tools
(Daikon, MeCoSim, Maple, Spin, ProB) and languages (P{Lingua, Promela, Event-B).
Appropriate tools and integration plugins, which facilitate and even automate the steps
involved in the aforementioned approach, have also been developed. The case study chosen
is complex (it involves an exponential growth of the number of states through the use of
membrane division rules) and the properties obtained are non-trivial.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Implementing ENPS by means of GPUs for AI applications</style></title><secondary-title><style face="normal" font="default" size="100%">Interdisciplinary Aspects of Artificial Intelligence</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">CUDA</style></keyword><keyword><style  face="normal" font="default" size="100%">ENPS</style></keyword><keyword><style  face="normal" font="default" size="100%">GPU</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">simulation</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">12/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://beyondai.zcu.cz/files/BAI2011_proceedings.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">University of West Bohemia, Pilsen</style></publisher><pub-location><style face="normal" font="default" size="100%">Pilsen, Czech Republic</style></pub-location><pages><style face="normal" font="default" size="100%">27-33</style></pages><abstract><style face="normal" font="default" size="100%">A P system represents a distributed and parallel computing model in which basic data
structures are, for instance, multisets and strings. Enzymatic Numerical P Systems are a type of
P systems whose basic data structures are sets of numerical variables. Separately, GPGPU is a
novel technological paradigm which focuses on the development of tools for graphic cards to solve
general purpose problems. This paper proposes an ENPS simulator based on GPUs and presents
general concepts about its design and some future ideas and perspectives.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francis Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An Improved GPU Simulator for Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Sixth International Conference on Bio-Inspired Computing: Theories and Applications (BIC-TA)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=6046910</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Penang, Malaysia</style></pub-location><pages><style face="normal" font="default" size="100%">262 - 267</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4577-1092-6</style></isbn><abstract><style face="normal" font="default" size="100%">Spiking Neural P (SNP) systems, variants of Psystems (under Membrane and Natural computing), are computing models that acquire abstraction and inspiration from the way neurons 'compute' or process information. Similar to other P system variants, SNP systems are Turing complete models that by nature compute non-deterministically and in a maximally parallel manner. P systems usually trade (often exponential) space for (polynomial to constant) time. Due to this nature, P system variants are currently limited to parallel simulations, and several variants have already been simulated in parallel devices. In this paper we present an improved SNP system simulator based on graphics processing units (GPUs). Among other reasons, current GPUs are architectured for massively parallel computations, thus making GPUs very suitable for SNP system simulation. The computing model, hardware/software considerations, and simulation algorithm are presented, as well as the comparisons of the CPU only and CPU-GPU based simulators.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Yunyun Niu</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">R. Abdullah</style></author><author><style face="normal" font="default" size="100%">A.T. Khader</style></author><author><style face="normal" font="default" size="100%">I. Venkat</style></author><author><style face="normal" font="default" size="100%">Li-Pei Wong</style></author><author><style face="normal" font="default" size="100%">K. G. Subramanian</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Uniform Solution to Common Algorithmic Problem by Tissue P Systems with Cell Division</style></title><secondary-title><style face="normal" font="default" size="100%">Sixth International Conference on Bio-Inspired Computing: Theories and Applications, BIC-TA 2011</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth International Conference on Bio-Inspired Computing: Theories and Applications, BIC-TA 2011</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2011</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">IEEE Computer Society</style></publisher><pub-location><style face="normal" font="default" size="100%">Penang, Malaysia</style></pub-location><pages><style face="normal" font="default" size="100%">302-326</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4577-1092-6</style></isbn><abstract><style face="normal" font="default" size="100%">Common algorithmic problem is an optimization problem, which has the nice property that several other NP-complete problems can be reduced to it in linear time. A tissue P system with cell division is a computing model which has two basic characters: intercellular communication and the ability of cell division. The ability of cell division allows us to obtain an exponential amount of cells in linear time and to design cellular solutions to computationally hard problems in polynomial time. We here present an effective solution to the common algorithmic decision problem using a family of recognizer tissue P systems with cell division.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Florentin Ipate</style></author><author><style face="normal" font="default" size="100%">Raluca Lefticaru</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Cristina Tudose</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Formal Verication of P Systems with Active Membranes through Model Checking</style></title><secondary-title><style face="normal" font="default" size="100%">12th International Conference on Membrane Computing (CMC12)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 12th International Conference on Membrane Computing (CMC12)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc12.lacl.fr/cmc12proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Fontainebleau, France</style></pub-location><pages><style face="normal" font="default" size="100%">241-252</style></pages><abstract><style face="normal" font="default" size="100%">Formal verification of P systems using model checking has
attracted a significant amount of research in recent years. However, up
to now only P systems with static structure have been considered. This
paper makes significant advances in this area by considering P systems
with active membranes, in particular P systems with division rules. The
paper presents a theoretical framework for addressing this problem and
reports on a complex case study involving a well-known NP-complete
problem solved using P systems with membrane division rules. This is
implemented in Promela and non trivial properties are verified using
Spin.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Luis F. Macías-Ramos</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A P-Lingua based Simulator for Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the 12th International Conference on Membrane Computing (CMC12)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc12.lacl.fr/cmc12proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Fontainebleau, France</style></pub-location><pages><style face="normal" font="default" size="100%">323-346</style></pages><abstract><style face="normal" font="default" size="100%">The research within the field of Spiking Neural P systems
(SN P systems, for short) is focusing mainly in the study of the
computational complexity and efficiency of this kind of systems.
These devices have been shown capable of providing polynomial time
solutions to computationally hard problems. In order to experimentally
explore this computational power, it is necessary to develop software
that provides simulation tools (simulators) for the existing variety of
SN P systems. Such simulators allow us to carry out computations of
solutions to computationally hard problems on certain instances. Within
this trend, P-Lingua provides a standard language for the definition of
P systems. As part of the same project, pLinguaCore library provides
particular implementations of parsers and simulators for the models
specified in P-Lingua. In this paper, an extension of the P-Lingua
language to define SN P systems is presented, along with an upgrade
of pLinguaCore including a parser and a new simulator for the variants
of these systems included in the language.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Sergey Verlan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Proceedings of the 12th International Conference on Membrane Computing (CMC12). Preface</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the 12th International Conference on Membrane Computing (CMC12)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc12.lacl.fr/cmc12proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Fontainebleau, France</style></pub-location><pages><style face="normal" font="default" size="100%">i-iii</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francis Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Spiking Neural P system simulator based on CUDA</style></title><secondary-title><style face="normal" font="default" size="100%">12th International Conference on Membrane Computing (CMC12)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 12th International Conference on Membrane Computing (CMC12)</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">CUDA</style></keyword><keyword><style  face="normal" font="default" size="100%">GPU Computing</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">parallel computing</style></keyword><keyword><style  face="normal" font="default" size="100%">spiking neural P systems</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc12.lacl.fr/cmc12proceedings.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Fontainebleau, France</style></pub-location><pages><style face="normal" font="default" size="100%">77-92</style></pages><abstract><style face="normal" font="default" size="100%">In this paper we present a Spiking Neural P system (SNP
system) simulator based on graphics processing units (GPUs). In particular
we implement the simulator using NVIDIA CUDA enabled GPUs.
The massively parallel architecture of current GPUs is very suitable for
the maximally parallel computations of SNP systems. We simulate a
wider variety of SNP systems, after presenting a previous work on SNP
system matrix representation which led to their simulation in GPUs, and
the simulation algorithm included here. Finally, we compare and present
the performance speedups of the CPU-GPU based simulator over the
CPU only simulator.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Pedro  Real</style></author><author><style face="normal" font="default" size="100%">Vanesa Sánchez-Canales</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A New Way to Obtain Homology Groups in Binary 2D Images Using Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">XII Encuentro de Algebra Computacional y Aplicaciones EACA 2010</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">EACA 2010 Libro de Resúmenes - Books of Abstracts</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">07/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.usc.es/regaca/eaca2010/</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Universidade de Santiago de Compostela Publicacións</style></publisher><pub-location><style face="normal" font="default" size="100%">Santiago de Compostela, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">107-112</style></pages><isbn><style face="normal" font="default" size="100%">978-84-9887-518-8 </style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Current developments on computational modeling using P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Computability in Europe 2011 (CIE 2011), </style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Models of Computation in Context</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">06/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cie2011.fmi.uni-sofia.bg</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer Verlag</style></publisher><pub-location><style face="normal" font="default" size="100%">Sofia, Bulgaria</style></pub-location><pages><style face="normal" font="default" size="100%">250-251</style></pages><isbn><style face="normal" font="default" size="100%">978-3-642-21874-3</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane Computing at Twelve Years(Back to Turku). UC 2011:</style></title><secondary-title><style face="normal" font="default" size="100%">Lecture Notes in Computer Science</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Unconventional Computation 10th International Conference, UC 2011, Turku, Finland, June 6-10, 2011. Proceedings</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">06/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.springerlink.com/content/978-3-642-21340-3/#section=905126&page=1</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer-Verlag</style></publisher><pub-location><style face="normal" font="default" size="100%">Turku, Finland</style></pub-location><pages><style face="normal" font="default" size="100%">36-37</style></pages><isbn><style face="normal" font="default" size="100%">978-3-642-21340-3</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francis Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking neural P system without delay simulator implementation using GPGPUs</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh Philippine Computing Science Congress</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh Philippine Computing Science Congress</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">03/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://sites.google.com/a/dcs.upd.edu.ph/csp-proceedings/pcsc2011</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Computing Society of the Philippines</style></publisher><pub-location><style face="normal" font="default" size="100%">Naga, Philippines</style></pub-location><pages><style face="normal" font="default" size="100%">35-43</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Javier Carnero</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Designing Tissue-like P Systems for Image Segmentation on Parallel Architectures</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/03tissue_fpga.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">43-62</style></pages><abstract><style face="normal" font="default" size="100%">Problems associated with the treatment of digital images have several in-
teresting features from a bio-inspired point of view. One of them is that they can be
suitable for parallel processing, since the same sequential algorithm is usually applied in
different regions of the image. In this paper we report a work-in-progress of a hardware
implementation in Field Programmable Gate Arrays (FPGAs) of a family of tissue-like
P systems which solves the segmentation problem in digital images.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">dP automata versus right-linear simple matrix grammars</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/21dPsystemsCris.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">293-304</style></pages><abstract><style face="normal" font="default" size="100%">We consider dP automata with the input string distributed in an arbitrary
(hence not necessary balanced) way, and we investigate their language accepting power,
both in the case when a bound there is on the number of objects present inside the system
and in the general case. The relation with right-linear simple matrix grammars is useful
in this respect. Some research topics and open problems are also formulated.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Sergiu Ivanov</style></author><author><style face="normal" font="default" size="100%">Artiom Alhazov</style></author><author><style face="normal" font="default" size="100%">Vladimir Rogojin</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Forward and Backward Chaining with P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/15fbcpIvanov.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">221-236</style></pages><abstract><style face="normal" font="default" size="100%">On the one hand, one of the concepts which lies at the basis of membrane
computing is the multiset rewriting rule. On the other hand, the paradigm of rules is
profusely used in computer science for representing and dealing with knowledge. There-
fore, it makes much scene to establish a &quot;bridge&quot; between these domains, for instance,
by designing P systems reproducing forward and backward chaining which can be used
as tools for reasoning in propositional logic. Our work shows again, how powerful and
intuitive the formalism of membrane computing is and how it can be used to represent
concepts and notions from totally unrelated areas.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Implementing local search with Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/10local_search.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">159-168</style></pages><abstract><style face="normal" font="default" size="100%">Local search is currently one of the most used methods for ¯nding solution
in real-life problems. In this paper we present an implementation of local search with
Membrane Computing techniques applied to the N-queens problem as a case study. A
CLIPS program inspired in the Membrane Computing design has been implemented and
several experiments have been performed.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Raúl Reina-Molina</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Integer Linear Programming for Tissue-like P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/25Miguelilp-for-tlp.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">343-353</style></pages><abstract><style face="normal" font="default" size="100%">In this paper we report a work-in-progress whose ¯nal target is the imple-
mentation of tissue-like P system in a cluster of computers which solves some instances
of the segmentation problem in 2D Digital Imagery. We focus on the theoretical aspects
and the problem of choosing a maximal number of application of rules by using Integer
Linear Programming techniques. This study is on the basis of a future distribution of the
parallel work among the processors.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Xingyi Zhang</style></author><author><style face="normal" font="default" size="100%">Yunyun Niu</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Linear time solution to prime factorization by tissue P systems with cell division</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/26factorization.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">355-372</style></pages><abstract><style face="normal" font="default" size="100%">Prime factorization is useful and crucial for public-key cryptography, and its
application in public-key cryptography is possible only because prime factorization has
been presumed to be di±cult. A polynomial-time algorithm for prime factorization on a
quantum computer is given by P. W. Shor in 1997. In this work, a linear-time solution
for prime factorization is given on a kind of biochemical computational devices { tissue
P systems with cell division, instead of physical computational devices.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Christian Fondevilla</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A New P System to Model the Subalpine and Alpine Plant Communities</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/06lleida.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">91-112</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P Systems with Replicator Dynamics: A Proposal</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/04Matteo.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">63-70</style></pages><abstract><style face="normal" font="default" size="100%">This short note proposes some ideas for considering evolutionary game the-
ory in the area of membrane computing.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francis Cabarle</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating Spiking Neural P Systems Without Delays Using GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/02snp-gpu.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">23-42</style></pages><abstract><style face="normal" font="default" size="100%">We present in this paper our work regarding simulating a type of P sys-
tem known as a spiking neural P system (SNP system) using graphics processing units
(GPUs). GPUs, because of their architectural optimization for parallel computations,
are well-suited for highly parallelizable problems. Due to the advent of general purpose
GPU computing in recent years, GPUs are not limited to graphics and video processing
alone, but include computationally intensive scientic and mathematical applications as
well. Moreover P systems, including SNP systems, are inherently and maximally parallel
computing models whose inspirations are taken from the functioning and dynamics of a
living cell. In particular, SNP systems try to give a modest but formal representation of
a special type of cell known as the neuron and their interactions with one another. The
nature of SNP systems allowed their representation as matrices, which is a crucial step
in simulating them on highly parallel devices such as GPUs. The highly parallel nature
of SNP systems necessitate the use of hardware intended for parallel computations. The
simulation algorithms, design considerations, and implementation are presented. Finally,
simulation results, observations, and analyses using an SNP system that generates all
numbers in N - 1 are discussed, as well as recommendations for future work.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francisco Peña-Cantillana</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Hepzibah A. Christinal</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Smoothing Problem in 2D Images with Tissue-like P Systems and Parallel Implementation</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/23smoothing_v5.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">317-328</style></pages><abstract><style face="normal" font="default" size="100%">Smoothing is often used in Digital Imagery to reduce noise within an image.
In this paper we present a Membrane Computing algorithm for smoothing 2D images in
the framework of tissue-like P systems. The algorithm has been implemented by using a
novel device architecture called CUDATM, (Compute Uni¯ed Device Architecture). We
present some examples, compare the obtained time and present some research lines for
the future.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mihai Ionescu</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Takashi Yokomori</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking Neural dP Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/12multiAlfonso.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">193-208</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mihai Ionescu</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Alfonso Rodríguez-Patón</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking Neural P systems with several types of spikes</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9BWMC/volume/12multiAlfonso.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">183-192</style></pages><abstract><style face="normal" font="default" size="100%">With a motivation related to gene expression, where enzymes act in series,
somewhat similar to the train spikes traveling along the axons of neurons, we consider
an extension of spiking neural P systems, where several types of \spikes&quot; are allowed.
The power of the obtained spiking neural P systems is investigated and the modeling of
gene expression in these terms is discussed. Some further extensions are mentioned, such
as considering a process of decay in time of the spikes.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Towards bridging two cell-inspired models: P systems and R systems</style></title><secondary-title><style face="normal" font="default" size="100%">Ninth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Ninth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2011</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/9bwmc_proceedings</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">305-316</style></pages><abstract><style face="normal" font="default" size="100%">We examine, from the point of view of membrane computing, the two basic
assumptions of reaction systems, the \threshold&quot; and \no permanence&quot; ones. In certain
circumstances (e.g., de¯ning the successful computations by local halting), the second
assumption can be incorporated in a transition P system or in a symport/antiport P
system without losing the universality. The case of the ¯rst postulate remains open: the
reaction systems deal, deterministically, with ¯nite sets of symbols, which is not of much
interest for computing; three ways to introduce nondeterminism are suggested and left
as research topics.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Manuel Ujaldón</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P systems simulations on massively parallel architectures</style></title><secondary-title><style face="normal" font="default" size="100%">Third International Workshop on Parallel Architectures and Bioinspired Algorithms</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">September 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://bioinspired.dacya.ucm.es/lib/exe/fetch.php?media=wpaba2010proc.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Vienna, Austria</style></pub-location><pages><style face="normal" font="default" size="100%">17-26</style></pages><isbn><style face="normal" font="default" size="100%">978-84-693-6141-2</style></isbn><abstract><style face="normal" font="default" size="100%">Membrane Computing is an emergent research area studying the behaviour of living cells to define bio-inspired computing devices, also called P systems. Such devices provide polynomial time solutions to NP-complete problems by trading time for space. The efficient simulation of P systems poses challenges in three different aspects: an intrinsic massively parallelism of P systems, an exponential computational workspace, and a non-intensive floating point nature. In this paper, we analyze the simulation of a family of recognizer P systems with active membranes that solves the Satisfiability (SAT) problem in linear time on three different architectures: a shared memory system, a distributed memory system, and a set of Graphics Processing Units (GPUs). For an efficient handling of the exponential workspace created by the P systems computation, we enable different data policies on those architectures to increase memory bandwidth and exploit data locality through tiling. Parallelism inherent to the target P system is also managed on each architecture to demonstrate that GPUs offer a valid alternative for high-performance computing at a considerably lower cost: Considering the largest problem size we were able to run on the three parallel platforms involving four processors, execution times were 20049.70 ms. using OpenMP on the shared memory multiprocessor, 4954.03 ms. using MPI on the distributed memory multiprocessor and 565.56 ms. using CUDA in our four GPUs, which results in speed factors of 35.44x and 8.75x, respectively. </style></abstract><notes><style face="normal" font="default" size="100%">Third International Workshop on Parallel Architectures and Bioinspired Algorithms (WPABA' 10) in conjuntion with the Nineteenth International Conference on Parallel Architectures and Compulations Techniques (PACT' 10)</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Manuel Ujaldón</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Enhancing the Simulation of P Systems for the SAT Problem on GPUs</style></title><secondary-title><style face="normal" font="default" size="100%"> Symposium on Application Accelerators in High Performance Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://saahpc.ncsa.illinois.edu/10/agenda.html</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Knoxville, USA</style></pub-location><abstract><style face="normal" font="default" size="100%">GPUs constitute nowadays a solid alternative for
high performance computing, and the advent of CUDA/OpenCL
allow programmers a friendly model to accelerate a broad range
of applications. The way GPUs exploit parallelism differ from
multi-core CPUs, which raises new challenges to take advantage
of its tremendous computing power. In this respect, P systems or
Membrane Systems provide a high-level computational modeling
framework that combines the structure and dynamic aspects
of biological systems while being inherently parallel and non-
deterministic. In this work, we implement on GPUs the simula-
tion for a solution provided by Membrane Computing to solve the
Satisfiability (SAT) problem. The overall speed up reaches 100x
versus a sequential CPU, with an additional 16x due to CUDA
optimizations. A promising scalability is also proven on more
sophisticated GPU clusters and/or demanding problem sizes.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Thomas Hinze</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Depth-first Search with P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh International Conference on Membrane Computing (CMC11)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh International Conference on Membrane Computing (CMC11)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc11.uni-jena.de/proceedings/gutierrez.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Pro BUSINESS GmbH</style></publisher><pub-location><style face="normal" font="default" size="100%">Jena, Germany</style></pub-location><pages><style face="normal" font="default" size="100%">257-267 </style></pages><isbn><style face="normal" font="default" size="100%">978-3-86805-721-8</style></isbn><abstract><style face="normal" font="default" size="100%">The usual way to find a solution for an NP complete problem
with Membrane Computing techniques is by brute force algorithms
where all the feasible solutions are generated and they are checked simultaneously
by using massive parallelism. These solutions work from
a theoretical point of view but they are implementable only for small
instances of the problem. In this paper we provide a family of P systems
which brings techniques from Artificial Intelligence into Membrane
Computing and apply them to solve the N-queens problem.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Computational Complexity in Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Algebraic Computing, Soft Computing, and Program Verification</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">April 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gimac.uma.es/hard&soft2010/Home.html</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Castro Urdiales, Spain</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Length of rules and tractability in tissue-like P systems</style></title><secondary-title><style face="normal" font="default" size="100%">Algebraic Computing, Soft Computing, and Program Verification</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">April 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gimac.uma.es/hard&soft2010/Home.html</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Castro Urdiales, Spain</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P-Lingua: a programming language for membrane computing</style></title><secondary-title><style face="normal" font="default" size="100%">Algebraic Computing, Soft Computing, and Program Verification</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">April 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gimac.uma.es/hard&soft2010/Home.html</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Castro Urdiales, Spain</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An Overview of P System Simulation on GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">I Jornadas Jóvenes Investigadores</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">17 April 2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.jovenesinvestigadores.com/</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Cáceres, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">2-7</style></pages><isbn><style face="normal" font="default" size="100%">978-84-693-1707-5</style></isbn><abstract><style face="normal" font="default" size="100%">P systems are inherently non-deterministic and parallel theoretical computing devices defined inside the research field of Membrane Computing. Many P system simulators have been presented in this area, but they are inefficient since they can not handle the parallelism of these devices. Nowadays,
we are witnessing the consolidation of the GPUs as a parallel framework to compute general purpose applications. In [1], GPUs are presented as an alternative parallel architecture to improve the performance in the simulation of P systems. In this paper, we present the state of the art in the simulation of P systems with active membranes, showing the simulator developed so far, and providing some aspects to consider in order to improve the performance.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Helena Molina-Abril</style></author><author><style face="normal" font="default" size="100%">Pedro  Real</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Atulya Nagar</style></author><author><style face="normal" font="default" size="100%">R. Thamburaj</style></author><author><style face="normal" font="default" size="100%">K. Li</style></author><author><style face="normal" font="default" size="100%">Z. Tang</style></author><author><style face="normal" font="default" size="100%">R. Li</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Bio-inspired Software for Segmenting Digital Images</style></title><secondary-title><style face="normal" font="default" size="100%">2010 IEEE Fifth International Conference on Bio-Inspired Computing: Theories and Applications BIC-TA</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 2010 IEEE Fifth International Conference on Bio-Inspired Computing: Theories and Applications BIC-TA</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://bic-ta.hnu.cn/</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE, Inc.</style></publisher><pub-location><style face="normal" font="default" size="100%">Liverpool, UK</style></pub-location><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">1377-1381 </style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-6438-8</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">K. Li</style></author><author><style face="normal" font="default" size="100%">Z. Tang</style></author><author><style face="normal" font="default" size="100%">R. Li</style></author><author><style face="normal" font="default" size="100%">Atulya Nagar</style></author><author><style face="normal" font="default" size="100%">R. Thamburaj</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A new simulation algorithm for multienvironment probabilistic P systems</style></title><secondary-title><style face="normal" font="default" size="100%">IEEE Fifth International Conference on Bio-inpired Computing: Theories and Applications (BIC-TA 2010)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 2010 IEEE Fifth International Conference on Bio-Inspired Computing: Theories and Applications BIC-TA</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/dndp.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE Press.</style></publisher><pub-location><style face="normal" font="default" size="100%">Changsha, China</style></pub-location><volume><style face="normal" font="default" size="100%">1</style></volume><pages><style face="normal" font="default" size="100%">59-68</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-6439-5</style></isbn><abstract><style face="normal" font="default" size="100%">Multienvironment P systems are the base of a
general framework for modeling ecosystems dynamics. On one
hand, this modeling framework represents the structural and
dynamical aspects of real ecosystems in a discrete, modular and
compressive way. On the other hand, the inherent randomness
and uncertainty of biological systems are captured by using
probabilistic strategies. Nowadays, the simulation of these P
systems based models is fundamental for experimentation and
validation. In this paper, we introduce a new simulation algorithm,
called DNDP, which performs object distribution and
maximal consistency in the application of rules, that are crucial
aspects of these systems.
The paper also depicts a parallel implementation of the
algorithm, and a comparison with the existing algorithm in
PLinguaCore is provided. In order to test the performance of the
presented algorithm, several experiments (simulations) have been
carried out over four simple P systems with the same skeleton
and different number of environments.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Atulya Nagar</style></author><author><style face="normal" font="default" size="100%">R. Thamburaj</style></author><author><style face="normal" font="default" size="100%">K. Li</style></author><author><style face="normal" font="default" size="100%">Z. Tang</style></author><author><style face="normal" font="default" size="100%">R. Li</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating Tritrophic Interactions by Means of P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">IEEE Fifth International Conference on Bio-inpired Computing: Theories and Applications (BIC-TA 2010)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings 2010 IEEE Fifth International Conference on Bio-inpired Computing: Theories and Applications (BIC-TA 2010)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/tritrophic.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE Press.</style></publisher><pub-location><style face="normal" font="default" size="100%">Liverpool, UK</style></pub-location><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">637-643</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-6438-8</style></isbn><abstract><style face="normal" font="default" size="100%">P systems provide a high level computational modelling
framework that combines the structural and dynamical
aspects of ecosystems in a compressive and relevant way. The
inherent randomness and uncertainty in biological systems is
captured by using probabilistic strategies. The design of efficient
simulation algorithms in order to reproduce the behavior of these
computational models over conventional computers is fundamental
for the validation and virtual experimentation processes.
In this paper, we describe the modelling framework and two
different simulation algorithms. As a case study, a P system
based model of an ideal ecosystem with three trophic levels is
designed and simulated by both simulation algorithms, providing
comparisons of efficiency between them.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Carlos M. Fernández-Márquez</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">K. Li</style></author><author><style face="normal" font="default" size="100%">Z. Tang</style></author><author><style face="normal" font="default" size="100%">R. Li</style></author><author><style face="normal" font="default" size="100%">Atulya Nagar</style></author><author><style face="normal" font="default" size="100%">R. Thamburaj</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving Sudoku with Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">2010 IEEE Fifth International Conference on Bio-Inspired Computing: Theories and Applications BIC-TA</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 2010 IEEE Fifth International Conference on Bio-Inspired Computing: Theories and Applications BIC-TA</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=16823</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE, Inc.</style></publisher><pub-location><style face="normal" font="default" size="100%">Changsha, China</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">610-615 </style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-6438-8</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">K. Li</style></author><author><style face="normal" font="default" size="100%">Z. Tang</style></author><author><style face="normal" font="default" size="100%">R. Li</style></author><author><style face="normal" font="default" size="100%">Atulya Nagar</style></author><author><style face="normal" font="default" size="100%">R. Thamburaj</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A uniform framework for modeling based on P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">IEEE Fifth International Conference on Bio-inpired Computing: Theories and Applications (BIC-TA 2010)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings 2010 IEEE Fifth International Conference on Bio-inpired Computing: Theories and Applications (BIC-TA 2010)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">09/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/marco-bicta-2010.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE Press.</style></publisher><pub-location><style face="normal" font="default" size="100%">Changsha, China</style></pub-location><volume><style face="normal" font="default" size="100%">1</style></volume><pages><style face="normal" font="default" size="100%">616-621</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-6439-5</style></isbn><abstract><style face="normal" font="default" size="100%">In this paper, a P systems based general framework
for modeling the dynamics of a population biology is presented.
Multienvironment probabilistic functional P systems with active
membranes provide the syntactical specification, and the semantics
is captured by using stochastic or probabilistic strategies
implemented through simulation algorithms.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">XiangXiang Zeng</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Thomas Hinze</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Matrix representation of Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh International Conference on Membrane Computing (CMC11)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh International Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc11.uni-jena.de/proceedings.html</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Verlag ProBusiness Berlin</style></publisher><pub-location><style face="normal" font="default" size="100%">Jena, Germany</style></pub-location><pages><style face="normal" font="default" size="100%">425-439</style></pages><isbn><style face="normal" font="default" size="100%">978-3-86805-721-8</style></isbn><abstract><style face="normal" font="default" size="100%">Spiking neural P systems (SN P systems, for short) are a
class of distributed parallel computing devices inspired from the way neurons
communicate by means of spikes. In this work, a discrete structure
representation of SN P systems with extended rules and without delay is
proposed. Specifically, matrices are used to represent SN P systems. In
order to represent the computations of SN P systems by matrices, configuration
vectors are defined to monitor the number of spikes in each
neuron at any given configuration; transition net gain vectors are also
introduced to quantify the total amount of spikes consumed and produced
after the chosen rules are applied. Nondeterminism of the systems
is assured by a set of spiking transition vectors that could be used at
any given time during the computation. With such matrix representation,
it is quite convenient to determine the next configuration from a
given configuration, since it involves only multiplication and addition of
matrices after deciding the spiking transition vector.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Santiago Lavín</style></author><author><style face="normal" font="default" size="100%">Ignasi Marco</style></author><author><style face="normal" font="default" size="100%">Antoni Margalida</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Delfí Sanuy</style></author><author><style face="normal" font="default" size="100%">Emmanuel Serrano</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Marian Gheorghe</style></author><author><style face="normal" font="default" size="100%">Thomas Hinze</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Modeling population growth of Pyrenean Chamois (Rupicapra p. pyrenayca) by using P systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh International Conference on Membrane Computing (CMC11)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Eleventh International Conference on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cmc11.uni-jena.de/proceedings/colomer.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Verlag ProBusiness Berlin</style></publisher><pub-location><style face="normal" font="default" size="100%">Jena, Germany</style></pub-location><pages><style face="normal" font="default" size="100%">121-135</style></pages><isbn><style face="normal" font="default" size="100%">978-3-86805-721-8</style></isbn><abstract><style face="normal" font="default" size="100%">P systems provide a high level computational modeling framework
which integrates the structural and dynamic aspects of ecosystems
in a comprehensive and relevant way. In previous work [1, 2], there have
been presented several ecosystems modeled by P systems. The good results
obtained suggest studying new ecosystems as the one presented in
this paper. Pyrenean Chamois is a species inhabiting the Catalan Pyrenees.
In recent years it has been hit by diseases that cause a drastic
decrease in the number of individuals. Its presence leads to signicant
economic contributions in the area, so it is very interesting to provide a
model in order to facilitate the management.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gabriela Escuela</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An Application of Genetic Algorithms to Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/08GEscuela.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/08GEscuela.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">101-108</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hepzibah A. Christinal</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Array Tissue-like P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/03array_tps_sevilla.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/03array_tps_sevilla.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">37-52</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Carlos M. Fernández-Márquez</style></author><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Cellular Sudoku Solver</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/06sudokuMiguel.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/06sudokuMiguel.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">77-88</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Pedro  Real</style></author><author><style face="normal" font="default" size="100%">Vanesa Sánchez-Canales</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A Cellular Way to Obtain Homology Groups in Binary 2D Images</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/07homol_br.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/07homol_br.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">89-100</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Antonio E. Porreca</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">First Steps Towards Linking Membrane Depth and the Polynomial Hierarchy</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/20polyheir.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/20polyheir.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">255-266</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Daniel Ramírez-Martínez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">How Does a P System Sound? </style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/10music.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/10music.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">123-132</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane Computing Meets Artificial Intelligence: A Case Study</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/11Miguelsearch.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/11Miguelsearch.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">133-144</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">On Communication Complexity in Evolution-Communication P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/01commcomplexity.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/01commcomplexity.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">1-22</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving Problems in a Distributed Way in Membrane Computing: dP  Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/17dPsystems.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/17dPsystems.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">219-234</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hepzibah A. Christinal</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Tissue-like P Systems without Environment</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/04DiazPernilEnvironment.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/04DiazPernilEnvironment.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">53-64</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">XiangXiang Zeng</style></author><author><style face="normal" font="default" size="100%">Henry Adorna</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">When Matrices Meet Brains</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Brainstorming  Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/8BWMC/volume/24SNP_Matrix2b.pdf</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/24SNP_Matrix2b.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">255-266</style></pages><isbn><style face="normal" font="default" size="100%">978-84-614-2357-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Luis Valencia-Cabrera</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">K. Li</style></author><author><style face="normal" font="default" size="100%">Z. Tang</style></author><author><style face="normal" font="default" size="100%">R. Li</style></author><author><style face="normal" font="default" size="100%">Atulya Nagar</style></author><author><style face="normal" font="default" size="100%">R. Thamburaj</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">MeCoSim: A general purpose software tool for simulating biological phenomena by means of P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">IEEE Fifth International Conference on Bio-inpired Computing: Theories and Applications (BIC-TA 2010)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/mecosim.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE, Inc.</style></publisher><pub-location><style face="normal" font="default" size="100%">Changsha, China</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">637-643</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-6439-5</style></isbn><abstract><style face="normal" font="default" size="100%">In recent years, the increasing importance of the
computational systems biology is leading to an impressive growth
of the knowledge of several real-life phenomena. In this framework,
membrane computing is an emergent branch within natural
computing that has been succesfully used to model biological
phenomena. The study of these phenomena usually requires the
execution of virtual experiments using mechanisms of simulation,
implying the development of ad-hoc tools to simulate. However,
the advance of the research is demanding general solutions
to avoid the necessity of custom software developments for
each matter of study, when there are some common problems
to resolve. MeCoSim (Membrane Computing Simulator) is a
first step in this direction providing the users a customizable
application to generate custom simulators based on membrane
computing by simply writing a configuration file.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Analysis of P systems simulation on CUDA</style></title><secondary-title><style face="normal" font="default" size="100%">XX Jornadas de Paralelismo</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">September 2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.p-lingua.org/~miguel/papers/2009/psystem_jornadas09.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Servizo de Publicacións, Universidade da Coruña</style></publisher><pub-location><style face="normal" font="default" size="100%">A coruña, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">289-294</style></pages><isbn><style face="normal" font="default" size="100%">84-9749-346-8</style></isbn><abstract><style face="normal" font="default" size="100%">GPUs (Graphics Processing Unit) have been con- 
solidated as a massively data-parallel coprocessor to
develop many general purpose computations, and en-
able developers to utilize several levels of parallelism
to obtain better performance of their applications.
The massively parallel nature of certain computa-
tions leads to use GPUs as an underlying architec-
ture, becoming a good alternative to other paral-
lel approaches. P systems or membrane systems
are theoretical devices inspired in the way that liv- 
ing cells work, providing computational models and
a high level computational modeling framework for
biological systems. They are massively parallel dis-
tributed, and non-deterministic systems. In this pa-
per, we evaluate the GPU as the underlying archi-
tecture to simulate the class of recognizer P systems
with active membranes. We analyze the performance
of three simulators implemented on CPU, CPU-GPU 
and GPU respectively. We compare them using a pre-
sented P system as a benchmark, showing that the
GPU is better suited than the CPU to simulate those
P systems due to its massively parallel nature.</style></abstract><notes><style face="normal" font="default" size="100%">Webpage of the conference: http://jornadas2009.gac.des.udc.es/</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulation of P Systems with active membranes on CUDA</style></title><secondary-title><style face="normal" font="default" size="100%">2009 International Workshop on High Performance Computational Systems Biology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">October 2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5298701&isnumber=5298664</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">IEEE Computer Society</style></publisher><pub-location><style face="normal" font="default" size="100%">Trento, Italy</style></pub-location><pages><style face="normal" font="default" size="100%">61-71</style></pages><isbn><style face="normal" font="default" size="100%">978-0-7695-3809-9</style></isbn><abstract><style face="normal" font="default" size="100%">P systems or membrane systems provide a high
level computational modeling framework that combines the
structural and dynamic aspects of biological systems in a
relevant and understandable way. P systems are massively
parallel distributed, and non-deterministic systems. In this
paper, we describe the implementation of a simulator for the
class of recognizer P systems with active membranes by using
the GPU (Graphics Processing Unit). We compare the high-
performance parallel simulator for the GPU to the simulator
developed on a single CPU (Central Processing Unit), and we
show that the GPU is better suited than the CPU to simulate
P systems due to its highly parallel nature.
</style></abstract><notes><style face="normal" font="default" size="100%">Webpage of the conference: http://www.cosbi.eu/hibi09/ </style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A massively parallel framework using P systems and GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">Symposium on Application Accelerators in High Performance Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.p-lingua.org/~miguel/papers/2009/psystem_saahpc09.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Illinois, USA</style></pub-location><abstract><style face="normal" font="default" size="100%">Since CUDA programing model appeared on the 
general purpose computations, the developers can extract all 
the power contained in GPUs (Graphics Processing Unit) across        
many computational domains. Among these domains, P systems                                                                     
or membrane systems provide a high level computational mod-                                                                   
eling framework that allows, in theory, to obtain polynomial                                                                    
time solutions to NP-complete problems by trading time for
space, and also to model biological phenomena in the area of         
computational systems biology. P systems are massively parallel     
distributed devices and their computation can be divided in two                                                                  
levels of parallelism: membranes, that can be expressed as blocks                                                                   
in CUDA programming model; and objects, that can be expressed                                                                  
as threads in CUDA programming model. In this paper, we
present our initial ideas of developing a simulator for the class of
recognizer P systems with active membranes by using the CUDA      
programing model to exploit the massively parallel nature of                                                                     
those systems at maximum. Experimental results of a preliminary                                                              
version of our simulator on a Tesla C1060 GPU show a 60X of                                                               
speed-up compared to the sequential code.                                                                     </style></abstract><notes><style face="normal" font="default" size="100%">Poster also available: http://www.p-lingua.org/~miguel/papers/2009/psystem_poster_saahpc09.pdf
Webpage of the conference: http://saahpc.ncsa.illinois.edu/09/agenda.html</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A computational complexity theory in membrane computing</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/8/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">82-105</style></pages><abstract><style face="normal" font="default" size="100%">In this paper, a computational complexity theory within the framework
of Membrane Computing is introduced. Polynomial complexity classes associated with
different models of cell-like and tissue-like membrane systems are defined and the most
relevant results obtained so far are presented. Many attractive characterizations of P =
NP conjecture within the framework of a bio-inspired and non-conventional computing
model are deduced.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mónica Cardona</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Antoni Margalida</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Delfí Sanuy</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A P system based model of an ecosystem of some scavenger birds</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/8/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pages><style face="normal" font="default" size="100%">153-168</style></pages><abstract><style face="normal" font="default" size="100%">The Bearded Vulture (Gypaetus Barbatus) is an endangered species in Eu-
rope that feeds almost exclusively on bone remains provided by wild and domestic ungu-
lates. In [1], we presented a P system in order to study the evolution of these species in
the Pyrenees (NE Spain). Here, we present a new model that overcomes some limitations
of the previous work incorporating other scavenger species (predatory) and additional
prey species that provide food for the scavenger intraguild and interact with the Bearded
Vulture in the ecosystem. After the validation, the new model can be a useful tool for
the study of the evolution and management of the ecosystem. P systems provide a high
level computational modelling framework which integrates the structural and dynamical
aspects of ecosystems in a compressive and relevant way. The inherent randomness and
uncertainty in ecosystems is captured by using probabilistic strategies.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rosa Gutiérrez-Escudero</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Characterizing tractability by tissue-like P systems</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">269-281</style></pages><abstract><style face="normal" font="default" size="100%">In the framework of cell-like membrane systems it is well known that the
construction of exponential number of objects in polynomial time is not enough to ef-
ciently solve NP-complete problems. Nonetheless, it may be sufficient to create an
exponential number of membranes in polynomial time. In the framework of recognizer
polarizationless P systems with active membranes, the construction of an exponential
workspace expressed in terms of number of membranes and objects may not suffice to
efficiently solve computationally hard problems.
In this paper we study the computational efficiency of recognizer tissue P systems
with communication (symport/antiport) rules and division rules. Some results have been
already obtained in this direction: (a) using communication rules and forbidding division
rules, only tractable problems can be efficiently solved; (b) using communication rules
with length three and division rules, NP-complete problems can be efficiently solved. In
this paper we show that the length of communication rules plays a relevant role from the
efficiency point of view for this kind of P systems.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Beverley M. Henley</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A first attempt to model notch signalling by means of P systems</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/265notch.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">265-268</style></pages><abstract><style face="normal" font="default" size="100%">During mammalian central nervous system development, an enormous variety
of cell types are generated. This cell diversity is due in part to asymmetrical cell
division. Indeed, in some sense Notch signals link the fate decisions of one cell to those
of its neighbours. This fundamental signalling pathway has not yet been modeled within
membrane computing framework.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Rosa Gutiérrez-Escudero</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An overview of P-lingua 2.0</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pages><style face="normal" font="default" size="100%">240-264</style></pages><abstract><style face="normal" font="default" size="100%">P-Lingua is a programming language for membrane computing which aims
to be a standard to dene P systems. In order to implement this idea, a Java library
called pLinguaCore has been developed as a software framework for cell-like P systems.
It is able to handle input les (either in XML or in P-Lingua format) dening P systems
from a number of dierent cell{like P system models. Moreover, the library includes
several built-in simulators for each supported model. For the sake of software portability,
pLinguaCore can export a P system denition to any convenient output format (currently
XML and binary formats are available). This software is not a closed product, but it can
be extended to accept new input or output formats and also new models or simulators.
The term P-Lingua 2.0 refers to the software package consisting of the above mentioned
library together with a user interface called pLinguaPlugin (more details can be
found at http://www.p-lingua.org).
Finally, in order to illustrate the software, this paper includes an application using
pLinguaCore for describing and simulating ecosystems by means of P systems.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Searching previous configurations in membrane computing</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">282-297</style></pages><abstract><style face="normal" font="default" size="100%">Searching all the configurations C' which produce a given configuration C
is an extremely hard task. The current approximations are based on heavy hand-made
calculus by considering the specic features of the given conguration. In this paper we
present a general method for characterizing all the configurations C' which produce a
given conguration C in the framework of transition P systems without cooperation and
without dissolution.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating active membrane systems using GPUs</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">369-384</style></pages><abstract><style face="normal" font="default" size="100%">Software development for cellular computing is growing up yielding new applications.
In this paper, we describe a simulator for the class of recognizer P systems
with active membranes, which exploits the massively parallel nature of P systems computations
by using GPUs (Graphics Processing Units). The newest generation of GPUs
provide a massively parallel framework to compute general purpose computations. We
present GPUs as an alternative to obtain better performance in the simulation of P
systems and we illustrate it by giving a solution to the N-Queens problem as an example.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Jun Wang</style></author><author><style face="normal" font="default" size="100%">Hendrik J. Hoogeboom</style></author><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking neural P systems with weights and thresholds</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">514-533</style></pages><abstract><style face="normal" font="default" size="100%">A variant of spiking neural P systems is introduced, with (positive or nega-
tive) weights on synapses and with the restriction that the rules of a neuron fires when
the potential of that neuron equals a given threshold. The involved numbers - weights,
thresholds, potential consumed by each rule - can be real (computable) numbers, ratio-
nal, integer, natural numbers. The power of the obtained systems is investigated. For
instance, it is shown that integer numbers (very restricted: 1;-1 for weights, 1 and 2 for
thresholds and for writing the rules) suffice in order to compute all Turing computable
sets of numbers, both in the generative and the accepting modes. Using only natural
numbers we characterize the family of semilinear sets of numbers. Some open problems
and suggestions for further research are formulated.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Damien Woods</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Uniformity: uncovering the frontier of parallelism</style></title><secondary-title><style face="normal" font="default" size="100%">10th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">24-27/08/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=procwmc10</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Marpapublicidad</style></publisher><pub-location><style face="normal" font="default" size="100%">Curtea de Arges, Rumania</style></pub-location><pages><style face="normal" font="default" size="100%">556-560</style></pages><abstract><style face="normal" font="default" size="100%">We summarise some current results for active membrane systems using uniformity
below P. Many of the systems we consider are easily to simulate on parallel
hardware and provide interesting new directions for the complexity theory of membrane
systems as well as those seeking to simulate membrane systems.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Francisco J. Romero-Campero</style></author><author><style face="normal" font="default" size="100%">Natalio Krasnogor</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Klaus Ambos-Spies</style></author><author><style face="normal" font="default" size="100%">Benedikt Löwe</style></author><author><style face="normal" font="default" size="100%">Wolfgang Merkle</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">An Approach to the Engineering of Cellular Models Based on P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">5th Conference on Computability in Europe, CiE 2009</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Lecture Notes in Computer Science</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">19/07/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.springerlink.com/content/l175644g32973123/</style></url></web-urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/engineering_of_cellular_models.pdf</style></url></related-urls></urls><publisher><style face="normal" font="default" size="100%">Springer Berlin / Heidelberg</style></publisher><pub-location><style face="normal" font="default" size="100%">Heidelberg, Germany</style></pub-location><volume><style face="normal" font="default" size="100%">5635</style></volume><pages><style face="normal" font="default" size="100%">430-436</style></pages><isbn><style face="normal" font="default" size="100%">978-3-642-03072-7</style></isbn><abstract><style face="normal" font="default" size="100%">Living cells assembled into colonies or tissues communicate using complex systems. These systems consist in the interaction between many molecular species distributed over many compartments. Among the different cellular processes used by cells to monitor their environment and respond accordingly, gene regulatory networks, rather than individual genes, are responsible for the information processing and orchestration of the appropriate response.
In this respect, synthetic biology has emerged recently as a novel discipline aiming at unravelling the design principles in gene regulatory systems by synthetically engineering transcriptional networks which perform a specific and prefixed task. Formal modelling and analysis are key methodologies used in the field to engineer, assess and compare different genetic designs or devices.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A bibliography of spiking neural P systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">207-212</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Pilar Gallego-Ortiz</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Cell-like versus tissue-like P systems by means of Sevilla Carpets </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">109-121</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">Sevilla Carpets are a handy tool for comparing computations performed
by different systems solving the same problem. Such Sevilla Carpets provide on one
hand quantitative information through parameters such as Weight, Surface and Average
weight, and on the other hand they also provide a fast glimpse on the complexity of the
computation thanks to their graphical representation.
   Up to now, Sevilla Carpets were only used on Cell-like P systems. In this paper
we present a first comparison by means of Sevilla Carpets of the computations of three
P systems (designed within different models), all of them solving the same instance of
the Subset Sum problem. Two of these solutions use Cell-like P systems with active
membranes, while the third one uses Tissue-like P systems with cell division.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mónica Cardona</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Characterizing the aperiodicity of irreducible markov chains by using P Systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">81-96</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">It is well known that any irreducible and aperiodic Markov chain has exactly
one stationary distribution, and for any arbitrary initial distribution, the sequence of
distributions at time n converges to the stationary distribution, that is, the Markov
chain is approaching equilibrium as n → ∞.
    In this paper, a characterization of the aperiodicity in existential terms of some state
is given. At the same time, a P system with external output is associated with any
irreducible Markov chain. The designed system provides the aperiodicity of that Markov
chain and spends a polynomial amount of resources with respect to the size of the input.
A formal verification of this solution is presented and a comparative analysis with respect
to another known solution is described.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rosa Gutiérrez-Escudero</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Miquel Rius-Font</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Characterizing tractability by tissue-like P systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">169-180</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">In the framework of cell–like membrane systems it is well known that the
construction of exponential number of objects in polynomial time is not enough to ef-
ficiently solve NP–complete problems. Nonetheless, it may be sufficient to create an
exponential number of membranes in polynomial time. In the framework of recognizer
polarizationless P systems with active membranes, the construction of an exponential
workspace expressed in terms of number of membranes and objects may not suffice to
efficiently solve computationally hard problems.
    In this paper we study the computational efficiency of recognizer tissue P systems
with communication (symport/antiport) rules and division rules. Some results have been
already obtained in this direction: (a) using communication rules and forbidding division
rules, only tractable problems can be efficiently solved; (b) using communication rules
with length three and division rules, NP–complete problems can be efficiently solved. In
this paper we show that the allowed length of communication rules plays a relevant role
from the efficiency point of view of the systems.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Damien Woods</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The computational complexity of uniformity and semi-uniformity in membrane systems</style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">73-84</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">We investigate computing models that are presented as families of finite
computing devices with a uniformity condition on the entire family. Examples include
circuits, membrane systems, DNA computers, cellular automata, tile assembly systems,
and so on. However, in this list there are actually two distinct kinds of uniformity condi-
tions.
    The first is the most common and well-understood, where each input length is mapped
to a single computing device that computes on the finite set of inputs of that length. The
second, called semi-uniformity, is where each input is mapped to a computing device for
that input. The former notion is well-known and used in circuit complexity, while the
latter notion is frequently found in literature on nature-inspired computing models, from
the past 20 years or so.
    Are these two notions distinct or not? For many models it has been found that these
notion are in fact the same, in the sense that the choice of uniformity or semi-uniformity
leads to characterisations of the same complexity classes. Here, we buck this trend and
show that these notions are actually distinct: we give classes of uniform membrane sys-
tems that are strictly weaker than their semi-uniform counterparts. This solves a known
open problem in the theory of membrane systems.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Computing backwards with P systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">211-226</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">Searching all the configurations C ′ such that produce a given configuration
C, or, in other words, computing backwards in Membrane Computing is an extremely
hard task. The current approximations are based in heavy hand-made calculus by consid-
ering the specific features of the given configuration. In this paper we present a general
method for characterizing all the configurations C ′ such that produce a given configura-
tion C in transition P systems without cooperation and without dissolution.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Efficiency of tissue P systems with cell separation </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">169-196</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">The most investigated variants of P systems in the last years are cell-like
models, especially in terms of efficiency. Recently, different new models of tissue-like
(symport/antiport) P systems have received important attention. This paper presents a
new class of tissue P systems with cell separation, where cell separation can generate new
workspace. Its efficiency is investigated, specifically, (a) only tractable problem can be
efficiently solved by using cell separation and communication rules with length at most
1, and (b) an efficient (uniform) solution to SAT problem by using cell separation and
communication rules with length at most 6 is presented. Further research topics and open
problems are discussed, too.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">New normal forms for spiking neural P systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">127-138</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">We consider a natural restriction in the architecture of a spiking neural P
system, namely, to have neurons of a small number of types (i.e., using a small number of
sets of rules), and we prove that three types of neurons are sufficient in order to generate
each recursively enumerable set of numbers as the distance between the first two spikes
emitted by the system or as the number of spikes in a specified neuron, in the halting
configuration. The case we investigate is that of spiking neural P systems with standard
rules, with delays, but without using forgetting rules; similar normal forms remain to be
found for other types of systems.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Beverley M. Henley</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Notch signalling and cellular fate choices: A short review </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">227-230</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">During mammalian central nervous system (CNS) development, an enor-
mous variety of cell types are generated. This cell diversity is due in part to asymmetrical
cell division. Asymmetrical segregation of Numb, a cell-determinant protein, can result
in the differential activation of the Notch pathway. The Notch pathway defines one of
the few fundamental signalling pathways that govern metazoan development. Notch sig-
nals link the fate decisions of one cell to those of its neighbours. Notch activation has a
profound effect on many aspects of nervous system development. Here we present a brief
overview of Notch signalling and reiterate some relevant questions relating to the Notch
pathway.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mónica Cardona</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Antoni Margalida</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Delfí Sanuy</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P system based model of an ecosystem of the scavenger birds </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">65-80</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">The Bearded Vulture (Gypaetus Barbatus) is an endangered species in Eu-
rope that feeds almost exclusively on bone remains provided by wild and domestic ungu-
lates. In [1], we presented a P system in order to study the evolution of these species in
the Pyrenees (NE Spain). Here, we present a new model that overcomes some limitations
of the previous work incorporating other scavenger species (predatory) and additional
prey species that provide food for the scavenger intraguild and interact with the Bearded
Vulture in the ecosystem. After the validation, the new model can be a useful tool for
the study of the evolution and management of the ecosystem. P systems provide a high
level computational modelling framework which integrates the structural and dynamical
aspects of ecosystems in a compressive and relevant way. The inherent stochasticity and
uncertainty in ecosystems is captured by using probabilistic strategies.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel García-Quismondo</style></author><author><style face="normal" font="default" size="100%">Rosa Gutiérrez-Escudero</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P-Lingua 2.0: New features and first applications</style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/7BWMC/volume/18_plingua_2_0.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">141-168</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">P-Lingua is a programming language for membrane computing. It was first
presented in Edinburgh, during the Ninth Workshop on Membrane Computing (WMC9).
In this paper, the models, simulators and formats included in P-Lingua in version 2.0 are
explained. We focus on the stochastic model, associated simulators and updated features.
Finally, we present two new applications based on P-Lingua 2.0: a tool for describing and
simulating ecosystems and a framework (currently under development) for P systems
design.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Alberto Leporati</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Performing arithmetic operations with spiking neural P systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">181-198</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">We consider spiking neural P systems as devices which can be used to per-
form some basic arithmetic operations, namely addition, subtraction, comparison and
multiplication by a fixed factor. The input to these systems are natural numbers ex-
pressed in binary form, encoded as appropriate sequences of spikes. A single system
accepts as inputs numbers of any size. The present work may be considered as a first
step towards the design of a CPU based on the working of spiking neural P systems.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">José M. Cecilia</style></author><author><style face="normal" font="default" size="100%">Ginés D. Guerrero</style></author><author><style face="normal" font="default" size="100%">José M. García</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulation of recognizer P systems by using manycore GPUs </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">45-58</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">Software development for cellular computing is growing up yielding new
applications. In this paper, we describe a simulator for the class of recognizer P systems
with active membranes, which exploits the massively parallel nature of the P systems
computations by using a massively parallel computer architecture, such as Compute
Unified Device Architecture (CUDA) from Nvidia, to obtain better performance in the
simulations. We illustrate it by giving a solution to the N-Queens problem as an example.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Miguel A. Martínez-del-Amor</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving the N-Queens puzzle with P systems </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">I</style></volume><pages><style face="normal" font="default" size="100%">199-210</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2837-6</style></isbn><abstract><style face="normal" font="default" size="100%">The N -queens puzzle consists on placing N queens on an N × N grid in such
way that no two queens are on the same row, column or diagonal line. In this paper we
present a family of P systems with active membranes (one P system for each value of N )
that provides all the possible solutions to the puzzle.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Some open problems collected during 7th BWMC </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">197-206</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">A few open problems and research topics collected during the 7th Brain-
storming Week on Membrane Computing are briefly presented; further details can be
found in the papers included in the volume.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking neural P systems with anti-spikes </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">139-150</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">Besides usual spikes employed in spiking neural P systems, we consider
“anti-spikes”, which participate in spiking and forgetting rules, but also annihilate spikes
when meeting in the same neuron. This simple extension of spiking neural P systems
is shown to considerably simplify the universality proofs in this area: all rules become
of the form bc → b or bc → λ, where b, b are spikes or anti-spikes. Therefore, the
regular expressions which control the spiking are the simplest possible, identifying only
a singleton. A possible variation is not to produce anti-spikes in neurons, but to consider
some “inhibitory synapses”, which transform the spikes which pass along them into anti-
spikes. Also in this case, universality is rather easy to obtain, with rules of the above
simple forms.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Linqiang Pan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Spiking neural P systems with neuron division and budding </style></title><secondary-title><style face="normal" font="default" size="100%">7th Brainstorming Week on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">02/02/2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/?q=node/414</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">151-168</style></pages><isbn><style face="normal" font="default" size="100%">978-84-613-2839-0</style></isbn><abstract><style face="normal" font="default" size="100%">In order to enhance the efficiency of spiking neural P systems, we introduce
the features of neuron division and neuron budding, which are processes inspired by neural
stem cell division. As expected (as it is the case for P systems with active membranes),
in this way we get the possibility to solve computationally hard problems in polynomial
time. We illustrate this possibility with SAT problem.
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mónica Cardona</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Delfí Sanuy</style></author><author><style face="normal" font="default" size="100%">Antoni Margalida</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Modelling ecosystem using P systems: The bearded vulture, a case study</style></title><secondary-title><style face="normal" font="default" size="100%">9th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 28-31, 2008</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/PreProcWMC9.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Edinburgh, The U.K.</style></pub-location><pages><style face="normal" font="default" size="100%">95-116</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A P-lingua programming environment for Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">9th Workshop on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the 9th Workshop on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 28-31, 2008</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Edinburgh, The U.K.</style></pub-location><pages><style face="normal" font="default" size="100%">187-203</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Pierluigi Frisco</style></author><author><style face="normal" font="default" size="100%">David W. Corne</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A spiking neural P system based model for Hebbian learning</style></title><secondary-title><style face="normal" font="default" size="100%">9th Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 28-31, 2008</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/PreProcWMC9.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Edinburgh, The U.K.</style></pub-location><pages><style face="normal" font="default" size="100%">189-207</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Damien Woods</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Turlough Neary</style></author><author><style face="normal" font="default" size="100%">Damien Woods</style></author><author><style face="normal" font="default" size="100%">Anthony K. Seda</style></author><author><style face="normal" font="default" size="100%">Niall Murphy</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">On acceptance conditions for membrane systems: characterisations of L and NL</style></title><secondary-title><style face="normal" font="default" size="100%">The Complexity of Simple Programs</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">December</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~dwoods/download/MurphyWoods-CSP08.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Cork University Press</style></publisher><pub-location><style face="normal" font="default" size="100%">Cork, Ireland</style></pub-location><pages><style face="normal" font="default" size="100%">225-242</style></pages><isbn><style face="normal" font="default" size="100%">978-1-906642-00-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rodica Ceterchi</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Alexandru I. Tomescu</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sorting omega networks simulated with P systems: Optimal data layout</style></title><secondary-title><style face="normal" font="default" size="100%">International Workshop on Computing with Biomolecules</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 27th</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/dl-ps-4a.pdf</style></url></web-urls></urls><edition><style face="normal" font="default" size="100%">Osterreichische Computer Gesellschaft Komitee fur Offentlichkeitsarbeit</style></edition><pub-location><style face="normal" font="default" size="100%">Wien, Austria</style></pub-location><pages><style face="normal" font="default" size="100%">29-42</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Damien Woods</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Cristian Calude</style></author><author><style face="normal" font="default" size="100%">José F. Costa</style></author><author><style face="normal" font="default" size="100%">Rudolf Freund</style></author><author><style face="normal" font="default" size="100%">Marion Oswald</style></author><author><style face="normal" font="default" size="100%">Grzegorz Rozenberg</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A characterisation of NL using membrane systems without charges and dissolution</style></title><secondary-title><style face="normal" font="default" size="100%">Unconventional Computation, UC'08</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Lecture Notes in Computer Science</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~dwoods/download/MurphyWoods-UC08.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer</style></publisher><pub-location><style face="normal" font="default" size="100%">Vienna (Austria)</style></pub-location><volume><style face="normal" font="default" size="100%">5204</style></volume><pages><style face="normal" font="default" size="100%">164-176</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">D. Kearney</style></author><author><style face="normal" font="default" size="100%">V. Nguyen</style></author><author><style face="normal" font="default" size="100%">G. Gioiosa</style></author><author><style face="normal" font="default" size="100%">T. Hendtlass</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Fast Solution to the Partition Problem by Using Tissue-Like P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Third International Conference on Bio-Inspired Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Theories and Applications</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">9/28-10/1, 2008</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.bic-ta.org/</style></url></web-urls></urls><edition><style face="normal" font="default" size="100%">University of South Australia IEEE Catalog Number CFP0801F-PRT</style></edition><pub-location><style face="normal" font="default" size="100%">Adelaide, Australia</style></pub-location><pages><style face="normal" font="default" size="100%">43 - 47</style></pages><isbn><style face="normal" font="default" size="100%">978-1-4244-2724-6</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Elena Rivero-Gil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Erzsebet Csuhaj-Varjú</style></author><author><style face="normal" font="default" size="100%">Rudolf Freund</style></author><author><style face="normal" font="default" size="100%">Marion Oswald</style></author><author><style face="normal" font="default" size="100%">Kai Salomaa</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Software Tool for Generating Graphics by Means of P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">International Workshop on Computing with Biomolecules</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">International Workshop on Computing with Biomolecules</style></tertiary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Graphical representation</style></keyword><keyword><style  face="normal" font="default" size="100%">Membrane computing</style></keyword><keyword><style  face="normal" font="default" size="100%">P systems</style></keyword><keyword><style  face="normal" font="default" size="100%">Software</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">27/08/2008</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Österreichische Computer Gesellschaft</style></publisher><pub-location><style face="normal" font="default" size="100%">Vienna (Austria)</style></pub-location><pages><style face="normal" font="default" size="100%">87-100</style></pages><isbn><style face="normal" font="default" size="100%">978-3-85403-244-1</style></isbn><abstract><style face="normal" font="default" size="100%">The hand-made graphical representation of the configuration of a P system
becomes a hard task when the number of membranes and objects increases. In this paper
we present a new software tool, called JPLANT, for computing and representing the
evolution of a P system model with membrane creation. We also present some experiments
performed with JPLANT and point out new lines for the research in computer graphics
with membrane systems.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Renana Gershoni</style></author><author><style face="normal" font="default" size="100%">Ehud Keinan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Ron Piran</style></author><author><style face="normal" font="default" size="100%">Tamar Ratner</style></author><author><style face="normal" font="default" size="100%">Sivan Shoshani</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%"> Research topics arising from the (planned) P systems </style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/openPimplem.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">183-192</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">We formulate here a few technical (mathematical) open problems related to
the in vitro bio-chemical experiment planned in Technion for computing the Fibonacci
sequence in terms of P systems. So-called local-loop-free P systems are introduced and
their universality for various types of P systems as well as other issues are mentioned as
research questions.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A first model for hebbian learning with spiking neural P systems</style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/learning_br.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fenix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">211-233</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Spiking neural P systems and artificial neural networks are computational
devices which share a biological inspiration based on the transmission of information
among neurons. In this paper we present a first model for Hebbian learning in the framework
of Spiking Neural P systems by using concepts borrowed from neuroscience and
artificial neural network theory.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Elena Rivero-Gil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Graphics and P systems: Experiments with JPLANT</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Report RGNC 01/08</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/jplant.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pages><style face="normal" font="default" size="100%">241-254</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An introduction to membrane computing, after 10 years, by means of a (partial) glossary</style></title><secondary-title><style face="normal" font="default" size="100%">Second International Meeting on Membrane Computing and Biologically Inspired Process Calculi</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the second international meeting on membrane computing and biologically inspired process calculi</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><pub-location><style face="normal" font="default" size="100%">Iasi, Romania</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Pierluigi Frisco</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">No cycles in compartments. Starting from Conformon-P systems</style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/noLooopFin.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">157-169</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Starting from proofs of results about the computing power of conformon-
P systems, we infer several results about the power of certain classes of tissue-like P
systems with (cooperative) rewriting rules used in an asynchronous way, without cycles
in compartments. This last feature is related to an important restriction appearing when
dealing with lab implementations of P systems, that of avoiding local evolution loops of
objects.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Claudio Zandron</style></author><author><style face="normal" font="default" size="100%">Alberto Leporati</style></author><author><style face="normal" font="default" size="100%">Claudio Ferretti</style></author><author><style face="normal" font="default" size="100%">Giancarlo Mauri</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">On the computational efficiency of polarizationless recognizer P systems with strong division and dissolution</style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/strongdivision.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">261-274</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Recognizer P systems with active membranes have proven to be very powerful
computing devices, being able to solve NP-complete decision problems in a polynomial
time. However such solutions usually exploit many powerful features, such as electrical
charges (polarizations) associated to membranes, evolution rules, communication rules,
and strong or weak forms of division rules. In this paper we contribute to the study
of the computational power of polarizationless recognizer P systems with active membranes.
Precisely, we show that such systems are able to solve in polynomial time the
NP-complete decision problem 3-sat by using only dissolution rules and a form of strong
division for non–elementary membranes, working in the maximal parallel way.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mónica Cardona</style></author><author><style face="normal" font="default" size="100%">M. Angels Colomer</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Delfí Sanuy</style></author><author><style face="normal" font="default" size="100%">Antoni Margalida</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A P system modeling an ecosystem related to the bearded vulture</style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/vultures.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">51-66</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">The Bearded Vulture is one of the rarest raptors in Europe and it is an
endangered species. In this paper, we present a model of an ecosystem related with the
Bearded Vulture which is located in the Catalan Pyrenees, by using P systems. The
population dynamics constituted by the Bearded Vulture (that feeds almost exclusively
on bones) and other five subfamilies that provide the bones they feed on, is studied.
P systems provide a high level computational modeling framework which integrates
the structural and dynamical aspects of ecosystems in a comprehensive and relevant way.
P systems explicitly represent the discrete character of the components of an ecosystem by
using rewriting rules on multisets of objects which represent individuals of the population
and bones. The inherent stochasticity and uncertainty in ecosystems is captured by using
probabilistic strategies.
In order to give an experimental validation of the P system designed, we have constructed
a simulator that allows us to analyze the evolution of the ecosystem with different
initial conditions.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Ignacio Pérez-Hurtado</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">P-Lingua: A programming language for membrane computing </style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/plingua.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">135-155</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Software development for cellular computing has already been addressed,
yielding a first generation of applications. In this paper, we develop a new programming
language: P-Lingua. Furthermore, we present a simulator for the class of recognizing P
systems with active membranes. We illustrate it by giving a solution to the SAT problem
as an example.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Alberto Leporati</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving numerical NP-complete problems by spiking neural P systems with pre-computed resources </style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/subsetsum.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">193-210</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Recently we have considered the possibility of using spiking neural P systems
for solving computationally hard problems, under the assumption that some (possibly exponentially
large) pre-computed resources are given in advance. In this paper we continue
this research line, and we investigate the possibility of solving numerical NP-complete
problems such as Subset Sum. In particular, we first propose a semi–uniform family of
spiking neural P systems in which every system solves a specified instance of Subset
Sum. Then, we exploit a technique used to calculate Iterated Addition with boolean
circuits to obtain a uniform family of spiking neural P systems in which every system
is able to solve all the instances of Subset Sum of a fixed size. All the systems here
considered are deterministic, but their size generally grows exponentially with respect to
the instance size.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving the partition problem by using tissue-like P systems with cell division </style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/agustin.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">124-134</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Tissue-like P systems with cell division is a computing model in the framework
of Membrane Computing that shares with the spiking neural P system model a
similar biological inspiration. Namely, both models are based on the intercellular communication
and cooperation between neurons, respectively. Due to this fact, in both
models the devices have the same structure: a network of elementary units (cells in a
tissue and interconnected neurons, respectively). Nonetheless, the two models are quite
different. One of the differences is the ability of tissue-like P systems with cell division
for increasing the number of cells during the computation. In this paper we exploit this
ability and present a polynomial-time solution for the (NP-complete) Partition problem
via a uniform family of such P systems.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel A. Gálvez-Santisteban</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Daniel Ramírez-Martínez</style></author><author><style face="normal" font="default" size="100%">Elena Rivero-Gil</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Testing Einstein's formula on brownian motion using membrane computing </style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/Brownian.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">171-182</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">Brownian motion refers to erratic movements of small particles of solid matter
suspended in a fluid and it is the basis of the development of many fractals found
in Nature. In this paper we use the Membrane Computing model of P systems with
membrane creation and the software tool JPLANT [15] in order to check the Einstein’s
theory on the Mean Square Displacement of Brownian motion.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Niall Murphy</style></author><author><style face="normal" font="default" size="100%">Damien Woods</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">George Eleftherakis</style></author><author><style face="normal" font="default" size="100%">Petros Kefalas</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Grzegorz Rozenberg</style></author><author><style face="normal" font="default" size="100%">Arto Salomaa</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Active membrane systems without charges and using only symmetric elementary division characterise P</style></title><secondary-title><style face="normal" font="default" size="100%">8th Workshop on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 25-28</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~dwoods/download/MurphyWoods-WMC07.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer</style></publisher><pub-location><style face="normal" font="default" size="100%">Thessaloniki, Greece</style></pub-location><volume><style face="normal" font="default" size="100%">4860</style></volume><pages><style face="normal" font="default" size="100%">367-384</style></pages><notes><style face="normal" font="default" size="100%">Membrane Computing
8th International Workshop, WMC 2007
Thessaloniki, Greece, June 25-28, 2007
Revised Selected and Invited Papers</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rodica Ceterchi</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Alexandru I. Tomescu</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">George Eleftherakis</style></author><author><style face="normal" font="default" size="100%">Petros Kefalas</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating the bitonic sort on a 2D-mesh with P systems</style></title><secondary-title><style face="normal" font="default" size="100%">Eighth Workshop on Membrane Computing</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 25-28</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Thessaloniki, Greece</style></pub-location><pages><style face="normal" font="default" size="100%">205-226</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Rafael Borrego-Ropero</style></author><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Tissue simulator: A graphical tool for tissue P systems</style></title><secondary-title><style face="normal" font="default" size="100%">16th International Symposium on Fundamentals of Computational Theory</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the International Workshop Automata for Cellular and Molecular Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 31, 2007</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.sztaki.hu/tcs/acmc07/procpage.html</style></url></web-urls></urls><edition><style face="normal" font="default" size="100%">MTA SZTAKI</style></edition><pub-location><style face="normal" font="default" size="100%">Budapest, Hungary</style></pub-location><pages><style face="normal" font="default" size="100%">23-34</style></pages><abstract><style face="normal" font="default" size="100%">Recently, different new models of tissue-like P systems have received important attention from the scientific community. This paper is focused in a concrete model: recognizing tissue P system with cell division. A software application allowing to understand better this model is presented. A linear-time solution to an NP-complete problem from graph theory, the 3–coloring problem is considered as a case study with this tool.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">John Jack</style></author><author><style face="normal" font="default" size="100%">Francisco J. Romero-Campero</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Andrei Paun</style></author><author><style face="normal" font="default" size="100%">Oscar Ibarra</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulating apoptosis using discrete methods: A membrane system and a stochastic approach</style></title><secondary-title><style face="normal" font="default" size="100%">Unconventional Computation, UC'07</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Language Theory in Biocomputing Workshop</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 15, 2007</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/uc-07.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Kingston, Ontario, Canada</style></pub-location><pages><style face="normal" font="default" size="100%">50-63</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Linear Solution for Subset Sum Problem with Tissue P systems with Cell Division</style></title><secondary-title><style face="normal" font="default" size="100%">Fifth Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Fifth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1/29/07-2/2/07</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">113-130</style></pages><isbn><style face="normal" font="default" size="100%">978-84-611-6776-0</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Membrane Computing Model for Ballistic Depositions</style></title><secondary-title><style face="normal" font="default" size="100%">Fifth Brainstorming Week on Membrane Computing </style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Fifth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1/29/07-2/2/07</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">179-197</style></pages><isbn><style face="normal" font="default" size="100%">978-84-611-67</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Ramírez-Martínez</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A software Tool for Dealing with Spiking Neural P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Fifth Brainstorming Week on Membrane Computing </style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Fifth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1/29/07-2/2/07</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">299-313</style></pages><isbn><style face="normal" font="default" size="100%">978-84-611-67</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Francisco J. Romero-Campero</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">David A. Pelta</style></author><author><style face="normal" font="default" size="100%">Natalio Krasnogor</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Cell-like and tissue-like membrane systems as recognizer devices</style></title><secondary-title><style face="normal" font="default" size="100%">NICSO 2006</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Workshop on Nature Inspired Cooperative Strategies for Optimization</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 29-30</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Cell-like and Tissue-like Membrane Systems as Recognizer Devices.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Granada, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">173-186</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">An efficient solution to 3-COL with tissue P systems</style></title><secondary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing and Biologically Inspired Process Calculi</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing and Biologically Inspired Process Calculi</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 9</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Venecia, Italia</style></pub-location><pages><style face="normal" font="default" size="100%">1-12</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane Computing and Brane Calculi (Some Personal Notes)</style></title><secondary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing and Biologically Inspired Process Calculi</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing and Biologically Inspired Process Calculi</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 9</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Venecia, Italia</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Robert Brijder</style></author><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author><author><style face="normal" font="default" size="100%">Grzegorz Rozenberg</style></author><author><style face="normal" font="default" size="100%">Dragos Sburlan</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Nadia Busi</style></author><author><style face="normal" font="default" size="100%">Claudio Zandron</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane Systems with Marked Membranes</style></title><secondary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing and Biologically Inspired Process Calculi</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing and Biologically Inspired Process Calculi</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 9</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Venecia, Italia</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Hendrik J. Hoogeboom</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Grzegorz Rozenberg</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">P systems-based modelling of cellular signalling pathways</style></title><secondary-title><style face="normal" font="default" size="100%">Workshop on Membrane Computing, WMC7</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Pre-Proceedings of the 7th Workshop on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 17-21, 2006</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Leiden, Holanda</style></pub-location><pages><style face="normal" font="default" size="100%">54-73</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">The Growth of Branching Structures with P Systems</style></title><secondary-title><style face="normal" font="default" size="100%">Fourth Brainstorming Week on Membrane Computing </style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Fourth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">30/01-3/02/2006</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Seville (Spain)</style></pub-location><volume><style face="normal" font="default" size="100%">II</style></volume><pages><style face="normal" font="default" size="100%">253-265</style></pages><isbn><style face="normal" font="default" size="100%">84-611-0519-2</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Hendrik J. 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Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Recognizer membrane systems</style></title><secondary-title><style face="normal" font="default" size="100%">ECAI 2004 (16th European Conference on Artificial Intelligence)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Workshop 5: Symbolic Networks (16th European Conference on Artificial Intelligence)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2004</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 22-27</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Recognizer Membrane Systems.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Valencia, España</style></pub-location><pages><style face="normal" font="default" size="100%">13</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Andrés Cordón-Franco</style></author><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Towards an efficient strategy for searching in P systems</style></title><secondary-title><style face="normal" font="default" size="100%">ECAI 2004 (16th European Conference on Artificial Intelligence)</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Workshop 5: Symbolic Networks (16th European Conference on Artificial Intelligence)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2004</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 22-27</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Towards an efficient strategy for searching in P systems.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Valencia, España</style></pub-location><pages><style face="normal" font="default" size="100%">15-25</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">News in Membrane Computing: A View from Tarragona</style></title><secondary-title><style face="normal" font="default" size="100%">Second Annual Meeting of Project Molconet</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Second Annual Meeting of Project Molconet</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November 27-29</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Viena, Austria</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Agustín Riscos-Núñez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving numerical NP-complete problems using P systems with active membranes: the Partition problem and beyond</style></title><secondary-title><style face="normal" font="default" size="100%">Second Annual Meeting of Project Molconet</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Second Annual Meeting of Project Molconet</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">November 27-29</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Solving Numerical NP- Complete problems.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Viena, Austria</style></pub-location><pages><style face="normal" font="default" size="100%">1-6</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Maurice Margenstern</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Yurii Rogozhin</style></author><author><style face="normal" font="default" size="100%">Sergey Verlan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Context-Free Insertion-Deletion Systems</style></title><secondary-title><style face="normal" font="default" size="100%">First Annual Meeting of the European Molecular Computing Consortium</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">European Molecular Computing Consortium: Program and Abstracts</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">May 15-17</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Turku, Finlandia</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane Computing - Power and Efficiency: Recent Results</style></title><secondary-title><style face="normal" font="default" size="100%">First Joint Meeting between the RSME and the AMS</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Abstracts of the First Joint Meeting between the RSME and the AMS</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 18-21</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Carmen Graciani-Díaz</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Using automated reasoning systems in Natural Computing</style></title><secondary-title><style face="normal" font="default" size="100%">First Joint Meeting between the RSME and the AMS</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Abstracts of the First Joint Meeting between the RSME and the AMS</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 18-21</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.cs.us.es/~marper/investigacion/rsme-ams.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Sevilla, España</style></pub-location><pages><style face="normal" font="default" size="100%">4</style></pages><abstract><style face="normal" font="default" size="100%">The simple intuitive verification or even the use of formal notation does not ensure us that a designed program or a set of specifications are correct. The availability of general purpose theorem proving tools as PVS opens the way for elaboration and development of techniques that will allow us to attack the processes of verification in the scope of Natural Computing. Also, those formalizations are done in a generic framework in which the concrete implementation of each operation is not important, but only their properties. This is a suitable way of working before implementing them in a real mode that brings us the possibility of simulating real experiments or developing new ones.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Antonio J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Carlos Martín-Vide</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Computing a Partial Mapping by a P System: Design and Verification</style></title><secondary-title><style face="normal" font="default" size="100%">First Brainstorming Week on Membrane Computing </style></secondary-title><tertiary-title><style face="normal" font="default" size="100%"> Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February 5-11</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Computing a Partial Mapping by a P system  Design and Verification.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Tarragona, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">247-260</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Antonio J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Carlos Martín-Vide</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Formal verification of a transition P system generating the set 2^n+n^2+n:n&gt;=1</style></title><secondary-title><style face="normal" font="default" size="100%">First Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February 5-11</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Formal Verification of a Transition P System Generating the Set ....pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Tarragona, España</style></pub-location><pages><style face="normal" font="default" size="100%">261-269</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Miguel A. Gutiérrez-Naranjo</style></author><author><style face="normal" font="default" size="100%">José A. Alonso-Jiménez</style></author><author><style face="normal" font="default" size="100%">Joaquín Borrego-Díaz</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">R. Moreno-Díaz jr.</style></author><author><style face="normal" font="default" size="100%">A. Quesada-Arencibia</style></author><author><style face="normal" font="default" size="100%">J. C. Rodríguez-Rodríguez</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Generalizing Logic Programs Via Subsumption</style></title><secondary-title><style face="normal" font="default" size="100%">International Conference on Computer Aided Systems Theory</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Eurocast 2003: Cast and Tools for Complexity in Biological, Physical and Engineering Systems: Extended Abstracts</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February 5-11</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Las Palmas de Gran Canaria</style></pub-location><pages><style face="normal" font="default" size="100%">185-188</style></pages><isbn><style face="normal" font="default" size="100%">84-688-0820-2</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Carlos Martín-Vide</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Verification of non deterministic transition P systems solving SAT problem </style></title><secondary-title><style face="normal" font="default" size="100%">First Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the First Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February 5-11</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Verification of Non Detrministic Transition P systems solving SAT problems.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Tarragona, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">291-304</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Daniel Díaz-Pernil</style></author><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Antonio J. Ramos-Espina</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">E. Alvarez</style></author><author><style face="normal" font="default" size="100%">R. Bosch</style></author><author><style face="normal" font="default" size="100%">L. Villamil</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Molecular programs as formal systems</style></title><secondary-title><style face="normal" font="default" size="100%">12th International Congress of Logic, Methodology and Philosophy of Science</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Volume of Abstracts of the International Congress of Logic, Methodology and Philosophy of Science</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August 7-13</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/files/Molecular Programs as Formal Systems.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Oviedo, España</style></pub-location><pages><style face="normal" font="default" size="100%">160-161</style></pages><isbn><style face="normal" font="default" size="100%">84-600-9913-X</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Carlos Martín-Vide</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Complexity Classes in Cellular  Computing with Membranes</style></title><secondary-title><style face="normal" font="default" size="100%">Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">5-11/02/2003</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Tarragona (Spain)</style></pub-location><pages><style face="normal" font="default" size="100%">270-278</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Matteo Cavaliere</style></author><author><style face="normal" font="default" size="100%">Carlos Martín-Vide</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Solving VALIDITY Problem by Active Membranes with Input</style></title><secondary-title><style face="normal" font="default" size="100%">Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">5-11/02/2003</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Tarragona (Spain)</style></pub-location><pages><style face="normal" font="default" size="100%">279-290</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Complexity Classes in Cellular Computing with Membranes</style></title><secondary-title><style face="normal" font="default" size="100%">First Joint Meeting between the RSME and the AMS</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">First Joint Meeting between the RSME and the AMS. Abstracts</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">18-21/06/2003</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Seville (Spain)</style></pub-location><pages><style face="normal" font="default" size="100%">4</style></pages><abstract><style face="normal" font="default" size="100%">Given a class of recognizer membrane systems F, the complexity class PMC_F of all prob-
lems solvable in polynomial time by a family of P systems of type F is presented. This
complexity class is stable by polynomial time reduction, and offer a new way to attack the
P = NP conjecture, now inside the framework of the cellular computing with membranes.</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Complexity Classes in Cellular Computing with Membranes</style></title><secondary-title><style face="normal" font="default" size="100%">First Annual Meeting of the European Molecular Computing Consortium</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">European Molecular Computing Consortium: Program and Abstracts</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">15-17/05/2003</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Turku (Finland)</style></pub-location><pages><style face="normal" font="default" size="100%">18</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mario J. Pérez-Jiménez</style></author><author><style face="normal" font="default" size="100%">Álvaro Romero-Jiménez</style></author><author><style face="normal" font="default" size="100%">Fernando Sancho-Caparrini</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Erzsebet Csuhaj-Varjú</style></author><author><style face="normal" font="default" size="100%">C. Kintala</style></author><author><style face="normal" font="default" size="100%">D. Wotschke</style></author><author><style face="normal" font="default" size="100%">György Vaszil</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">A Polynomial Complexity Class in P Systems Using Membrane Division</style></title><secondary-title><style face="normal" font="default" size="100%">Fifth International Workshop on Descriptional Complexity of Formal Systems</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Fifth International Workshop on Descriptional Complexity of Formal Systems</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">12-14/07/2003</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Budapest (Hungary)</style></pub-location><pages><style face="normal" font="default" size="100%">284-294</style></pages><isbn><style face="normal" font="default" size="100%">963-311-356-3</style></isbn></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Trends in Membrane Computing</style></title><secondary-title><style face="normal" font="default" size="100%">First Annual Meeting of the European Molecular Computing Consortium</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">European Molecular Computing Consortium: Program and Abstracts</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year></dates><pub-location><style face="normal" font="default" size="100%">Turku, Finlandia</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Mario J. 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