AUTHOR(S)
 TITLE

INVITED TALKS

E. CsuhajVarju
 P automata: Models, Results, and Research Topics

R. Freund
 Asynchronous P systems

V. Manca
 On the Dynamics of P systems

M. Margenstern (with L. Colson, N. Jonoska, Gh. Paun)
 About P systems and lambdacalculus

M. PerezJimenez
 Complexity classes in membrane computing

G. Rozenberg
 Selectivity in molecular computing

K. Ueda (with N. Kato)
 LMNtal: a language model with links and membranes

REGULAR PAPERS

A. Alhazov, R. Freund
 On the efficiency of P systems with active membranes and two polarizations

A. Alhazov, S. Sburlan
 (Ultimately confluent) Parallel multisetrewriting systems with permitting contexts

O. Andrei, G. Ciobanu, D. Lucanu
 Rewriting P systems in Maude

I.I. Ardelean, D. Besozzi, C. Manara
 Aerobic respiration is a biologic circuit containing molecular logic gates

F. Arroyo, C. Luengo, J. Castellanos, L.F. Mingo
 Representing multisets and evolution rules in membrane processors

G. Bel Enguix
 Analyzing P systems structure: Working, predictions,and some linguistic suggestions

F. Bernardini, M. Gheorghe
 Computing at population level in P systems

D. Besozzi, G. Ciobanu
 A P system description of the sodiumpotassium pump

M. Cavaliere
 Towards asynchronous P systems

M. Cavaliere, M. Ionescu, T.O. Ishdorj
 Inhibiting/deinhibiting rules in P systems

R. Ceterchi, M.J. PerezJimenez
 Simulating parallel architectures with P systems

L. Cienciala
 P automata with priorities working in sequential and maximally parallel mode

A. CordonFranco, M.A. GutierrezNaranjo, M.J. PerezJimenez, A. RiscosNunez
 Exploring computation trees associated with P systems

A. CordonFranco, F. SanchoCaparrini
 Nondiscrete P systems

E. CsuhajVarju, G. Vaszil
 Reducing the size of extended gemmating P systems

R. Freund, M. Oswald, A. Paun
 P systems generating trees

C. Fu, Z. Qi, J. You
 Encoding P systems in noninterleaving picalculus

M.A. GutierrezNaranjo, M.J. PerezJimenez, A. RiscosNunez
 On descriptive complexity of P systems

S.N. Krishna
 Universality with RBClike objects

A. Leporati, C. Zandron, G. Mauri
 Conservative computations in energybased P systems

M. Margenstern, V. Rogozhin, Y. Rogozhin, S. Verlan
 About P systems with minimal symport/antiport rules and four membranes

O. Michel, F. Jacquemard
 Analysis of the NeedhamSchroeder publickey protocol with MGS

A. Obtulowicz
 General multifuzzy sets and fuzzy membrane systems

M.J. PerezJimenez, F.J. RomeroCampero
 Trading polarizations for bistable catalysts in P systems with active membranes

V.J. Prakash, K. Krithivasan
 Simulating boolean circuits with tissue P systems

A. Profir, E. Boian, N. Barbacari, E. Gutuleac, C. Zelinschi
 Modelling molecular genetic triggers by means of P transducers

Z. Qi, C. Fu, D. Shi, J. You
 Specification and execution of P systems with symport/antiport rules using rewriting logic

D. Sburlan
 Clockfree P systems

J.M. Sempere
 Covering reductions and degrees in P systems

I. Stamatopoulou, M. Gheorghe, P. Kefalas
 Modelling of dynamic configuration of biologyinspired multiagent systems with communicating Xmachines and population P systems

A. Syropoulos
 On P systems and distributed computing

A. Syropoulos, S. Doumanis, K.T. Sotiriades
 Computing recursive functions with P system

G. Vaszil
 On the size of P systems with minimal symport/antiport

J. Wiedermann
 Coupling computational and noncomputational processes: minimal artificial life
