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Ponencia
Reaction Cycles in Membrane Systems and Molecular Dynamics
(Fénix Editora, 2006)
We are considering molecular dynamics and (sequential) membrane systems from the viewpoint of Markov chain theory. The first step is to understand the structure of the configuration space, with respect to communicating ...
Ponencia
Size and Power of Extended Gemmating P Pystems
(Fénix Editora, 2004)
In P systems with gemmation of mobile membranes were ex- amined. It was shown that (extended) systems with eight membranes are as powerful as the Turing machines. Moreover, it was also proved that extended gemmating P ...
Ponencia
Some Notes on the Interplay Between P Systems and Chemotaxis in Bacteria
(Fénix Editora, 2006)
We describe some chemotactic behaviors of bacteria, that is, their movement response to changes in the environment, and the underlying molecular mechanisms. We outline how such processes could be linked to membrane ...
Ponencia
Dynamical Probabilistic P Systems: Definitions and Applications
(Fénix Editora, 2005)
We introduce dynamical probabilistic P systems, a variant where probabilities associated to the rules change during the evolution of the system, as a new approach to the analysis and simulation of the behavior of complex ...
Ponencia
New Proposals for the Formalization of Membrane Proteins
(Fénix Editora, 2004)
This paper presents three new proposals to take advantage, in the framework of P systems, from proteins acting in bacteria. One attempt aims to focus on the transport protein that act as a logic AND gate at the cell membrane. ...
Ponencia
On Modelling Ion Fluxes Across Biological Membranes with P Systems
(Fénix Editora, 2005)
In this report we address the challenge of using P systems to integrate at the whole cell level both active and passive transport of different ions, done by different types of membrane transport proteins which work ...
Ponencia
Two Universality Results for (Mem)Brane Systems
(Fénix Editora, 2006)
We prove that P systems with mate and drip operations and using at most five membranes during any step of a computation are universal. This improves a recent similar result from, where eleven membranes are used. The proof ...
Ponencia
Stochastic Approaches in P Systems for Simulating Biological Systems
(Fénix Editora, 2006)
Different stochastic strategies for modeling biological systems with P systems are reviewed in this paper, such as the multi-compartmental approach and dynamical probabilistic P systems. The respective results obtained ...