AUTHOR(S) 
TITLE 
Cover Page,
Contents and
Preface 

I.I Ardelean, R. Ceterchi, Al.I. Tomescu 
A Biological Perspective on Sorting with P Systems

I.I. Ardelean, C. Moisescu, M.M. Lazaroaie 
Membrane Proteins as Maxwell's Demons and Their Significance for P Systems

R. Barbuti, A. MaggioloSchettini, P. Milazzo, S. Tini 
Towards a P Systems Normal Form Preserving Stepbystep Behavior

M. Beyreder, R. Freund 
(Tissue) P Systems Using Noncooperative Rules Without Halting Conditions 
M. Cardona, M.A. Colomer, M.J. PérezJiménez, D. Sanuy, A. Margalida 
A P System Modeling an Ecosystem Related to the Bearded Vulture

A. Castellini, G. Franco 
On Modeling Signal Transduction Networks

R. Ceterchi, M.J. PérezJiménez, Al.I. Tomescu 
Sorting Omega Networks Simulated with P Systems: Optimal Data Layouts 
R. Ceterchi, Al.I. Tomescu 
Spiking Neural P Systems  A Natural Model for Sorting Networks 
G. Ciobanu, A. Resios 
Computational Complexity of Simple P Systems

D. DíazPernil, M.A. GutiérrezNaranjo, M.J. PérezJiménez, A. RiscosNúñez 
Solving the Partition Problem by Using Tissuelike P Systems with Cell Division

D. DíazPernil, I. PérezHurtado, M.J. PérezJiménez, A. RiscosNúñez 
PLingua: A Programming Language for Membrane Computing

P. Frisco, Gh. Paun 
No Cycles in Compartments. Starting from ConformonP Systems

M.A. GálvezSantisteban, M.A. GutiérrezNaranjo, D. RamírezMartínez, E. RiveroGil 
Testing Einstein's Formula on Brownian Motion Using Membrane Computing

R. Gershoni, E. Keinan, Gh. Paun, R. Piran, T. Ratner, S. Shoshani 
Research Topics Arising from the (Planned) P Systems

M.A. GutiérrezNaranjo, A. Leporati 
Solving Numerical NPcomplete Problems by Spiking Neural P Systems with Precomputed Resources

M.A. GutiérrezNaranjo, M.J. PérezJiménez 
A First Model for Hebbian Learning with Spiking Neural P Systems

A. Obtulowicz 
Ordinary Membrane Machines versus Other Mathematical Models of Systems Realizing Massively Parallel Computations 
E. RiveroGil, M.A. GutiérrezNaranjo, M.J. PérezJiménez 
Graphics and P Systems: Experiments with JPLANT 
J.M. Sempere 
Computing by Carving with P Systems. A First Approach

C. Zandron, A. Leporati, C. Ferretti, G. Mauri, M.J. PérezJiménez 
On the Computational Efficiency of Polarizationless Recognizer P Systems with Strong Division and Dissolution 
G. Zhang, M. Gheorghe, C. Wu 
A QuantumInspired Evolutionary Algorithm Based on P Systems for a Class of Combinatorial Problems 

Author
index 