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Ponencia
P Systems with Tables of Rules
(Fénix Editora, 2004)
In the last time, several e®orts were made in order to remove the polarization of membranes from P systems with active membranes; the present paper is a contribution in this respect. In order to compensate the loss of ...
Ponencia
Tissue P Systems with Cell Division
(Fénix Editora, 2004)
In tissue P systems several cells (elementary membranes) commu- nicate through symport/antiport rules, thus carrying out a computation. We add to such systems the basic feature of (cell) P systems with active membranes { ...
Ponencia
P Systems with Active Membranes and Two Polarizations
(Fénix Editora, 2004)
P systems with active membranes using only two electrical charges and only rules of types (a) and (c) assigned to at most two membranes are shown to be computationally complete { thus improving the previous result of ...
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 the passage of objects across the links. We investigate the computing power of such devices for ...
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 developments in this area. Many of these problems have several facets and branchings, and further facets ...