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Ponencia
Event-Related Outputs of Computations in P Systems
(Fénix Editora, 2005)
We briefly investigate the idea to consider as the result of a computation in a P system the number of steps elapsed between two events produced during the computation. Specifically, we first consider the case when the ...
Ponencia
Further Twenty Six Open Problems in Membrane Computing
(Fénix Editora, 2005)
This is a sort of personal list of problems and research topics, compiled with the occasion of the Third Brainstorming Week on Membrane Computing, Sevilla, 2005.
Ponencia
Matrix Languages, Register Machines, Vector Addition Systems
(Fénix Editora, 2005)
We give a direct and simple proof of the equality of Parikh images of lan- guages generated by matrix grammars with appearance checking with the sets of vectors generated by register machines. As a particular case, we ...
Ponencia
Editing Configurations of P Systems
(Fénix Editora, 2005)
This paper proposes and preliminarily investigates the possibility of transforming a configuration (membrane structure and multisets of symbol-objects present in the compartments of this membrane structure) of a P system ...
Ponencia
One More Universality Result for P Systems with Objects on Membranes
(Fénix Editora, 2005)
We continue here the attempt to bridge brane calculi with membrane com- puting, following the investigation started in. Specifically, we consider P systems with objects placed on the membranes, and processed by membrane ...