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Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/262

Title: Static Analysis of Usefulness States in Transition P Systems
Authors: Alberto Frutos, Juan
Fernandez, Luis
Arroyo, Fernando
Bravo, Gines
Keywords: Evolution Rules
Usefulness States
Transition P System
Sequential Machines
Static Analysis
Issue Date: 2008
Publisher: Institute of Information Theories and Applications FOI ITHEA
Abstract: Transition P Systems are a parallel and distributed computational model based on the notion of the cellular membrane structure. Each membrane determines a region that encloses a multiset of objects and evolution rules. Transition P Systems evolve through transitions between two consecutive configurations that are determined by the membrane structure and multisets present inside membranes. Moreover, transitions between two consecutive configurations are provided by an exhaustive non-deterministic and parallel application of evolution rules. But, to establish the rules to be applied, it is required the previous calculation of useful, applicable and active rules. Hence, computation of useful evolution rules is critical for the whole evolution process efficiency, because it is performed in parallel inside each membrane in every evolution step. This work defines usefulness states through an exhaustive analysis of the P system for every membrane and for every possible configuration of the membrane structure during the computation. Moreover, this analysis can be done in a static way; therefore membranes only have to check their usefulness states to obtain their set of useful rules during execution.
URI: http://hdl.handle.net/10525/262
ISSN: 1313-048X
Appears in Collections:Volume 2 Number 1

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