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- Mónica Cardona, M. Angels Colomer, Antoni Margalida, Ignacio Pérez-Hurtado, Mario J. Pérez-Jiménez, Delfí Sanuy
- Workshop on Membrane Computing
- 2009

1 Dpt. of Mathematics, University of Lleida Av. Alcalde Rovira Roure, 191. 25198 Lleida, Spain {mcardona,colomer}@matematica.udl.es 2 Research Group on Natural Computing Dpt. of Computer Science and Artificial Intelligence, University of Sevilla Avda. Reina Mercedes s/n, 41012 Sevilla, Spain {perezh,marper}@us.es 3 Dpt. of Animal Production, University of… (More)

- Mónica Cardona, M. Angels Colomer, +4 authors Delfí Sanuy
- Natural Computing
- 2010

In this paper, a P systems based general framework for modeling ecosystems dynamics is presented. Particularly, ecosystems are specified by means of multienvironment P systems composed of a finite number of environments, each of them having an extended P system with active membranes. The semantics is of a probabilistic type and it is implemented by… (More)

In this paper we approach the problem of computing the n–th power of the transition matrix of an arbitrary Markov chain through membrane computing. The proposed solution is described in a semi–uniform way in the framework of P systems with external output. The amount of resources required in the construction is polynomial in the number of states of the… (More)

- Mónica Cardona, M. Angels Colomer, Alba Zaragoza, Mario J. Pérez-Jiménez
- Computing and Informatics
- 2008

- Frank A. Barile, Monica Cardona
- In Vitro Cellular & Developmental Biology…
- 1996

An extensive in vitro study with cultured cells was conducted to test the basal cytotoxicity theory. This theory suggests that most chemical injury, at least in vitro, is a manifestation of one or more insults to the basic cellular structures and functions common to mammalian cells. This accounts for the similarity of results in multilaboratory studies.… (More)

- M Cardona, M A Colomer, J Conde, J M Miret, J Miró, A Zaragoza
- Bio Systems
- 2005

We present two algorithms to perform computations over Markov chains. The first one determines whether the sequence of powers of the transition matrix of a Markov chain converges or not to a limit matrix. If it does converge, the second algorithm enables us to estimate this limit. The combination of these algorithms allows the computation of a limit using… (More)

- Mónica Cardona, M. Angels Colomer, Mario J. Pérez-Jiménez, Delfí Sanuy, Antoni Margalida
- Workshop on Membrane Computing
- 2008

The Bearded Vulture (Gypaetus barbatus) is an endangered species in Europe that feeds almost exclusively on bone remains of wild and domestic ungulates. In this paper, we present a model of an ecosystem related to the Bearded Vulture in the Pyrenees (NE Spain), by using P systems. The evolution of six species is studied: the Bearded Vulture and five… (More)

- Mónica Cardona, M. Angels Colomer, Antoni Margalida, Ignacio Pérez-Hurtado, Mario J. Pérez-Jiménez, Delf́ı Sanuy
- 2009

1 Dpt. of Mathematics, University of Lleida Av. Alcalde Rovira Roure, 191. 25198 Lleida, Spain {mcardona,colomer}@matematica.udl.es 2 Research Group on Natural Computing Dpt. of Computer Science and Artificial Intelligence, University of Sevilla Avda. Reina Mercedes s/n, 41012 Sevilla, Spain marper@us.es 3 Dpt. of Animal Production, University of Lleida Av.… (More)

- Mónica Cardona, M. Angels Colomer, Mario J. Pérez-Jiménez, Delf́ı Sanuy, Antoni Margalida
- 2008

1 Dpt. of Mathematics, University of Lleida Av. Alcalde Rovira Roure, 191. 25198 Lleida, Spain E-mail: {mcardona,colomer}@matematica.udl.es 2 Research Group on Natural Computing Dpt. of Computer Science and Artificial Intelligence, University of Sevilla Avda. Reina Mercedes s/n, 41012 Sevilla, Spain E-mail: marper@us.es 3 Dpt. of Animal Production,… (More)

- Mónica Cardona, M. Angels Colomer, Mario J. Pérez-Jiménez, Alba Zaragoza
- Workshop on Membrane Computing
- 2006

In this paper we present a method to classify the states of a finite Markov chain through membrane computing. A specific P system with external output is designed for each boolean matrix associated with a finite Markov chain. The computation of the system allows us to decide the convergence of the process because it determines in the environment the… (More)