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Tissue P Systems and (Mem)Brane Systems with Mate and Drip Operations Working on Strings
Author(s) -
Rudolf Freund,
Marion Oswald
Publication year - 2007
Publication title -
electronic notes in theoretical computer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.242
H-Index - 60
ISSN - 1571-0661
DOI - 10.1016/j.entcs.2007.05.011
Subject(s) - context (archaeology) , completeness (order theory) , computation , brane , mathematics , computer science , symbolic computation , theoretical computer science , algebra over a field , pure mathematics , algorithm , biology , mathematical analysis , mathematical physics , paleontology
We investigate tissue P systems with (non-restricted, symmetric) versions of mate and drip operations and prove that such systems are computationally complete with the minimal number of two cells when working on strings. Moreover, we consider the variant of scattered context tissue P systems with mate and drip operations and show a similar computational completeness result with using at most four cells during any computation. In all cases, the corresponding results for (mem)brane systems are established, too

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