Tissue P Systems with Communication Modes

  • Francesco Bernardini
  • Rudolf Freund
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4361)


The paper introduces communication modes in tissue P systems that are based on the applicability of the rules to the objects present inside the cells. This notion of a communication mode is inspired by the concept of a derivation mode used in the area of grammar systems. Three different communication modes are identified depending on both the way the objects are moved from one cell to another one, altogether as a multiset or independently from each other, and on the moment when communication can take place, immediately after a terminal object is produced inside a cell, immediately after a cell has reached a terminal configuration or only when the system as a whole has reached a final configuration. The computational power of tissue P systems with different communication modes is compared with the power of the basic model of P systems and some classes of L systems.


Transformation Rule Output Cell Communication Mode Derivation Step Successful Computation 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Francesco Bernardini
    • 1
  • Rudolf Freund
    • 2
  1. 1.Leiden Institute of Advanced Computer ScienceLeiden UniversityLeidenThe Netherlands
  2. 2.Faculty of InformaticsVienna University of TechnologyWienAustria

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