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2. P-Lingua 2.0: New Features and First Applications

Author

García Quismondo, Manuel, Gutiérrez Escudero, Rosa, Pérez Hurtado de Mendoza, Ignacio, Pérez Jiménez, Mario de Jesús, Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natural, Ministerio de Educación y Ciencia (MEC). España, and Junta de Andalucía

Abstract

P-Lingua is a programming language for membrane computing. It was rst presented in Edinburgh, during the Ninth Workshop on Membrane Computing (WMC9). In this paper, the models, simulators and formats included in P-Lingua in version 2.0 are explained. We focus on the stochastic model, associated simulators and updated features. Finally, we present two new applications based on P-Lingua 2.0: a tool for describing and simulating ecosystems and a framework (currently under development) for P systems design. Ministerio de Educación y Ciencia TIN2006–13425 Junta de Andalucía P08-TIC-04200

Published
2009

3. Characterizing Tractability by Tissue-Like P Systems

Author

Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natural, Ministerio de Educación y Ciencia (MEC). España, Junta de Andalucía, Gutiérrez Escudero, Rosa, Pérez Jiménez, Mario de Jesús, Rius Font, Miquel, Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natural, Ministerio de Educación y Ciencia (MEC). España, Junta de Andalucía, Gutiérrez Escudero, Rosa, Pérez Jiménez, Mario de Jesús, and Rius Font, Miquel

Abstract

In the framework of cell–like membrane systems it is well known that the construction of exponential number of objects in polynomial time is not enough to efficiently solve NP–complete problems. Nonetheless, it may be sufficient to create an exponential number of membranes in polynomial time. In the framework of recognizer polarizationless P systems with active membranes, the construction of an exponential workspace expressed in terms of number of membranes and objects may not suffice to efficiently solve computationally hard problems. In this paper we study the computational efficiency of recognizer tissue P systems with communication (symport/antiport) rules and division rules. Some results have been already obtained in this direction: (a) using communication rules and forbidding division rules, only tractable problems can be efficiently solved; (b) using communication rules with length three and division rules, NP–complete problems can be efficiently solved. In this paper we show that the allowed length of communication rules plays a relevant role from the efficiency point of view of the systems.

Published
2009

4. P-Lingua 2.0: New Features and First Applications

Author

Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natural, Ministerio de Educación y Ciencia (MEC). España, Junta de Andalucía, García Quismondo, Manuel, Gutiérrez Escudero, Rosa, Pérez Hurtado de Mendoza, Ignacio, Pérez Jiménez, Mario de Jesús, Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natural, Ministerio de Educación y Ciencia (MEC). España, Junta de Andalucía, García Quismondo, Manuel, Gutiérrez Escudero, Rosa, Pérez Hurtado de Mendoza, Ignacio, and Pérez Jiménez, Mario de Jesús

Abstract

P-Lingua is a programming language for membrane computing. It was rst presented in Edinburgh, during the Ninth Workshop on Membrane Computing (WMC9). In this paper, the models, simulators and formats included in P-Lingua in version 2.0 are explained. We focus on the stochastic model, associated simulators and updated features. Finally, we present two new applications based on P-Lingua 2.0: a tool for describing and simulating ecosystems and a framework (currently under development) for P systems design.

Published
2009

5. Seventh Brainstorming Week on Membrane Computing. Sevilla, February 2-February 6, 2009 Volume I : RGNC REPORT 1/2009

Author

Research Group on Natural Computing, Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natual, Gutiérrez Escudero, Rosa, Gutiérrez Naranjo, Miguel Ángel, Paun, Gheorghe, Pérez Hurtado de Mendoza, Ignacio, Riscos Núñez, Agustín, Research Group on Natural Computing, Universidad de Sevilla. Departamento de Ciencias de la Computación e Inteligencia Artificial, Universidad de Sevilla. TIC193: Computación Natual, Gutiérrez Escudero, Rosa, Gutiérrez Naranjo, Miguel Ángel, Paun, Gheorghe, Pérez Hurtado de Mendoza, Ignacio, and Riscos Núñez, Agustín

Published
2009

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