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Mostrando ítems 21-40 de 590
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Ponencia
Towards a Programming Language in Cellular Computing
(Fénix Editora, 2004)Several solutions to hard numerical problems using P systems have been presented recently, and strong similarities in ...
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Ponencia
A Tissue P System and a DNA Microfluidic Device for Solving the Shortest Common Superstring Problem
(Fénix Editora, 2004)This paper describes a tissue P system for solving the Shortest Common Superstring Problem in linear time. This tissue P ...
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Ponencia
Tissue-like P Systems with Channel-States
(Fénix Editora, 2004)We consider tissue-like P systems with states associated with the links (we call them synapses) between cells, controlling ...
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Ponencia
Simulating the Fredkin Gate with Energy-Based P Systems
(Fénix Editora, 2004)Reversibility plays a fundamental role when the possibility to per- form computations with minimal energy dissipation is ...
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Ponencia
Weak Metrics on Configurations of a P System
(Fénix Editora, 2004)The evolution of a P system generates a tree of computation po- tentially in¯nite where it is very difficult to set the ...
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Ponencia
Further Open Problems in Membrane Computing
(Fénix Editora, 2004)A series of open problems and research topics in membrane com- puting are pointed out, most of them suggested by recent ...
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Ponencia
Maximum Search Using P Systems
(Fénix Editora, 2004)Several algorithms of maximum search are investigated and eval- uated in different types of P systems, namely using ...
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Ponencia
Solving the BINPACKING Problem by Recognizer P Systems with Active Membranes
(Fénix Editora, 2004)In this paper we present an e®ective solution to the BINPACKING problem using a family of recognizer P systems with active ...
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Ponencia
On the Power of Deterministic EC P Systems
(Fénix Editora, 2004)It is commonly believed that a signi¯cant part of the computational power of membrane systems comes from their inherent ...
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Ponencia
On P Systems with Promoters/Inhibitors
(Fénix Editora, 2004)This article shows how the computational universality can be reached by using P systems with object rewriting context-free ...
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Ponencia
An Efficient Cellular Solution for the Partition Problem
(Fénix Editora, 2004)Numerical problems are not very frequently addressed in the P sys- tems literature. In this paper we present an e®ective ...
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Ponencia
Membrane Operations in P Systems with Active Membranes
(Fénix Editora, 2004)In this paper we de¯ne a general class of P systems covering some biological operations with membranes, including evolution, ...
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Ponencia
Sequential P Systems with Unit Rules and Energy Assigned to Membranes
(Fénix Editora, 2004)We introduce a new variant of membrane systems where the rules are directly assigned to membranes (and not to the regions ...
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Ponencia
Deductive Databases and P Systems
(Fénix Editora, 2004)In computational processes based on backwards chaining, a rule of the type A Ã B1; : : : ;Bn is seen as a procedure which ...
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Ponencia
Membrane Kauffman Networks
(Fénix Editora, 2004)A formalization of Kauffman Boolean Networks in terms of P systems is suggested along two lines: by means of register machines and directly by means of membranes with receptors.
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Ponencia
About P Systems with Symport/Antiport
(Fénix Editora, 2004)It is proved that four membranes su±ce to P systems with minimal symport/antiport to generate all recursively enumerable ...
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Ponencia
(Ultimately Confluent) Parallel Multiset-Rewriting Systems with Context
(Fénix Editora, 2004)The aim of this paper is to study the power of parallel multiset- rewriting systems with permitting context (or P systems ...
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Ponencia
Covering Rules in P Systems: Some Preliminary Ideas
(Fénix Editora, 2004)In this paper we propose a new kind of rules inside the regions of a P system. We have called them covering rules due to ...
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Ponencia
Cell Communication in Tissue P Systems and Cell Division in Population P Systems
(Fénix Editora, 2004)Two classes of tissue P systems based on evolution communication rules are introduced, some results are proved, but many ...
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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 ...