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HOME > JOURNALS BY SUBJECT > COMPUTER SCIENCE > IJFCS
International Journal of Foundations of Computer Science (IJFCS)
Current Issue | 2012 | 2011 | 2010 | All Volumes (1990-2012)

Volume: 22, Issue: 1(2011) pp. 65-73     DOI: 10.1142/S0129054111007836
Abstract | Full Text (PDF, 192KB) | References
Title: P SYSTEMS WITH ACTIVE MEMBRANES WORKING IN POLYNOMIAL SPACE
Author(s):
ANTONIO E. PORRECA
Dipartimento di Informatica, Sistemistica e Comunicazione, Università degli Studi di Milano-Bicocca, Viale Sarca 336/14, 20126 Milano, Italy

ALBERTO LEPORATI
Dipartimento di Informatica, Sistemistica e Comunicazione, Università degli Studi di Milano-Bicocca, Viale Sarca 336/14, 20126 Milano, Italy

GIANCARLO MAURI
Dipartimento di Informatica, Sistemistica e Comunicazione, Università degli Studi di Milano-Bicocca, Viale Sarca 336/14, 20126 Milano, Italy

CLAUDIO ZANDRON
Dipartimento di Informatica, Sistemistica e Comunicazione, Università degli Studi di Milano-Bicocca, Viale Sarca 336/14, 20126 Milano, Italy
History:
Received 18 June 2010
Accepted 1 October 2010
Abstract:
We prove that recognizer P systems with active membranes using polynomial space characterize the complexity class PSPACE. This result holds for both confluent and nonconfluent systems, and independently of the use of membrane division rules.
Keywords:
Membrane computing; complexity theory; space complexity
AMSC numbers: 68Q10, 68Q15

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