Issue 4/2004
Content (9 Articles)
Special Feature
Languages generated by P systems with active membranes
Francesco Bernardini, Marian Gheorghe
Special Feature
Hierarchies of parallel rewriting P systems — A survey
Daniela Besozzi, Giancarlo Mauri, Claudio Zandron
Special Feature
A Prolog simulator for deterministic P systems with active membranes
Andrés Cordón-Franco, Miguel A. Gutiérrez-Naranjo, Mario J. Pérez-Jiménez, Fernando Sancho-Caparrini
Special Feature
Results on catalytic and evolution-communication P systems
Shankara Narayanan Krishna, Andrei Pâun