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Issue title: Contagious Creativity – In Honor of the 80th Birthday of Professor Solomon Marcus
Article type: Research Article
Authors: Păun, Gheorghe | Pérez-Jiménez, Mario J. | Pazos, Juan | Rodríguez-Patón, Alfonso
Affiliations: Institute of Mathematics of the Romanian Academy, PO Box 1-764, 014700 Bucureşti, Romania. [email protected] | Research Group on Natural Computing, Department of Computer Science and Artificial Intelligence, University of Sevilla, Avda. Reina Mercedes s/n, 41012 Sevilla, Spain. gpaun/[email protected] | Department of Artificial Intelligence, Faculty of Computer Science, Polytechnical University of Madrid, Campus de Montegancedo, Boadilla del Monte 28660, Madrid, Spain. jpazos/[email protected]
Note: [] Address for correspondence: Institute of Mathematics of the Romanian Academy, PO Box 1-764, 014700 Bucureşti, Romania
Abstract: The operations of symport and antiport, directly inspired frombiology, are already known to be rather powerful when used in the framework of P systems. In this paper we confirm this observation with a quite surprising result: P systems with symport/antiport rules using only three objects can simulate any counter machine, while systems with only two objects can simulate any blind counter machine. In the first case, the universality (of generating sets of numbers) is obtained also for a small number of membranes, four.
Keywords: Membrane computing, Turing computability, register machine, symport/antiport
Journal: Fundamenta Informaticae, vol. 64, no. 1-4, pp. 353-367, 2005
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