181 search results - page 4 / 37 » Membrane Computing and Economics: Numerical P Systems |
156
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IPL
2006
15 years 5 months ago
2006
In this paper we investigate P systems whose compartments contain sets of symbolobjects rather than multisets of objects, as it is common in membrane computing. If the number of m...
154
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MEMBRANE
2007
Springer
16 years 2 days ago
2007
Springer
In this paper we introduce a variant of membrane systems with elementary division and without charges. We allow only elementary division where the resulting membranes are identical...
155
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UC
2009
Springer
16 years 14 days ago
2009
Springer
Membrane systems with dividing and dissolving membranes are known to solve PSPACE problems in polynomial time. However, we give a P upperbound on an important restriction of such s...