158 search results - page 13 / 32 » Membrane Systems with Marked Membranes |
SYNASC
2005
IEEE
14 years 2 months ago
2005
IEEE
We improve, by using register machines, some existing universality results for specific models of P systems. P systems with membrane creation are known to generate all recursivel...
NC
2011
13 years 3 months ago
2011
We consider recognizer P systems having three polarizations associated to the membranes, and we show that they are able to solve the PSPACEcomplete problem Quantified 3SAT when wo...
ENTCS
2008
13 years 8 months ago
2008
The Brane Calculus is a calculus intended to model the structure and the dynamics of biological membranes. In order to express properties of systems in this calculus, in previous ...
ICNC
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Membrane systems are gaining a prominent role in the modeling of biochemical processes and cellular dynamics. We associate specific reactivity values to the production r...
FUIN
2006
13 years 8 months ago
2006
Abstract. With inspiration from the economic reality, where numbers are basic entities to work with, we propose a genuinely new kind of P systems, where numerical variables evolve,...