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      P Systems with Tables of Rules 

      Paun, Gheorghe; Pérez Jiménez, Mario de Jesús; Riscos Núñez, Agustín (Fénix Editora, 2004)
      In the last time, several e®orts were made in order to remove the polarization of membranes from P systems with active ...
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      Computing Using Signals: From Cells to P Systems 

      Ardelean, Ioan I.; Cavaliere, Matteo; Sburlan, Dragos (Fénix Editora, 2004)
      In cell biology one of the fundamental topic is the study of how biological signals are managed by cells. Signals can ...
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      P Systems with Active Membranes and Without Polarizations 

      Freund, Rudolf; Paun, Andrei (Fénix Editora, 2004)
      P systems with active membranes but without using electrical charges (polarizations) are shown to be complete for generating ...
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      Looking for P Truth 

      Cordón Franco, Andrés; Gutiérrez Naranjo, Miguel Ángel; Pérez Jiménez, Mario de Jesús (Fénix Editora, 2004)
      In a general sense, Logic studies how to derive new pieces of in- formation from previous ones. In this paper we explore ...
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      Tissue P Systems with Cell Division 

      Paun, Gheorghe; Pérez Jiménez, Mario de Jesús; Riscos Núñez, Agustín (Fénix Editora, 2004)
      In tissue P systems several cells (elementary membranes) commu- nicate through symport/antiport rules, thus carrying out ...
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      A CLIPS Simulator for Recognizer P Systems with Active Membranes 

      Pérez Jiménez, Mario de Jesús; Romero Campero, Francisco José (Fénix Editora, 2004)
      In this paper we propose a new way to represent recognizer P systems with active membranes based on Production Systems ...
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      Simulating Shuffle-Exchange Networks with P Systems 

      Ceterchi, Rodica; Pérez Jiménez, Mario de Jesús (Fénix Editora, 2004)
      We present in this paper a simulation with P systems of the parallel architecture known as shuffle-exchange network. This ...
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      A Java Simulator for Basic Transition P Systems 

      Nepomuceno Chamorro, Isabel de los Ángeles (Fénix Editora, 2004)
      In this paper, a software tool (called SimCM, from Spanish Sim- ulador de Computaci¶on con Membranas) for handling P ...
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      Size and Power of Extended Gemmating P Pystems 

      Besozzi, Daniela; Csuhaj Varjú, Erzsébet; Mauri, Giancarlo; Zandron, Claudio (Fénix Editora, 2004)
      In P systems with gemmation of mobile membranes were ex- amined. It was shown that (extended) systems with eight membranes ...
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      P Systems with Antiport Rules for Evolution Rules 

      Freund, Rudolf; Oswald, Marion (Fénix Editora, 2004)
      We investigate a variant of evolution-communication P systems where the computation is performed in two substeps. First, ...
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      P Systems with Active Membranes and Separation Rules 

      Pan, Linqiang; Ishdorj, Tseren-Onolt (Fénix Editora, 2004)
      The P systems are a class of distributed parallel computing devices of a biochemical type. In this paper, a new de¯nition ...
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      Solving Multidimensional 0-1 Knapsack Problem by P Systems with Input and Active Membranes 

      Pan, Linqiang; Martín Vide, Carlos (Fénix Editora, 2004)
      P systems are parallel molecular computing models based on pro- cessing multisets of objects in cell-like membrane ...
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      A Note on Complexity Measures for Probabilistic P Systems 

      Sancho Caparrini, Fernando (Fénix Editora, 2004)
      In this paper we present a first approach to the definition of different entropy measures for probabilistic P systems in ...
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      A Note on P Systems with Activators 

      Alhazov, Artiom (Fénix Editora, 2004)
      The usual assumption in P systems behavior is that of maximal parallelism, however in living cells it is not the case ...
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      Further Remarks on P Systems with Active Membranes, Separation, Merging, and Release Rules 

      Pan, Linqiang; Alhazov, Artiom; Ishdorj, Tseren-Onolt (Fénix Editora, 2004)
      The P systems are a class of distributed parallel computing devices of a biochemical type. In this note, we show that by ...
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      New Proposals for the Formalization of Membrane Proteins 

      Ardelean, Ioan I.; Besozzi, Daniela (Fénix Editora, 2004)
      This paper presents three new proposals to take advantage, in the framework of P systems, from proteins acting in bacteria. ...
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      P Systems with Symport/Antiport of Rules 

      Cavaliere, Matteo; Genova, Daniela (Fénix Editora, 2004)
      Moving \instructions" instead of \data", using transport mecha- nisms inspired by biology { this could represent, shortly, ...
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      Simulation of Mobile Ambients by P Systems. Part 2 

      Rogozhin, Vladimir; Boian, Elena (Fénix Editora, 2004)
      Ambient calculus is a theory which deals with mobile computing and computation and encompasses such notions as mobile ...
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      Pumps Systems of Membranes 

      Ciobanu, Gabriel (Fénix Editora, 2004)
      The reactivity of the living cells provides the real complexity of biological systems. This paper presents a reactive P ...
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      P Systems with Active Membranes and Two Polarizations 

      Alhazov, Artiom; Freund, Rudolf; Paun, Gheorghe (Fénix Editora, 2004)
      P systems with active membranes using only two electrical charges and only rules of types (a) and (c) assigned to at most ...