<?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%">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></records></xml>