Petri nets: an introduction
Computability of Recursive Functions
Journal of the ACM (JACM)
Well-structured transition systems everywhere!
Theoretical Computer Science
Membrane Computing: An Introduction
Membrane Computing: An Introduction
Computation: finite and infinite machines
Computation: finite and infinite machines
CiE '07 Proceedings of the 3rd conference on Computability in Europe: Computation and Logic in the Real World
Computing with genetic gates, proteins, and membranes
WMC'06 Proceedings of the 7th international conference on Membrane Computing
On the computational power of the mate/bud/drip brane calculus: interleaving vs. maximal parallelism
WMC'05 Proceedings of the 6th international conference on Membrane Computing
Asynchronous p systems and p systems working in the sequential mode
WMC'04 Proceedings of the 5th international conference on Membrane Computing
CMSB'04 Proceedings of the 20 international conference on Computational Methods in Systems Biology
A compositional approach to the stochastic dynamics of gene networks
Transactions on Computational Systems Biology IV
Computational expressiveness of Genetic Systems
Theoretical Computer Science
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Genetic Systems are a formalism inspired by genetic regulatory networks, suitable for modeling the interactions between genes and proteins, acting as regulatory products. The evolution is driven by genetic gates: a new object (representing a protein) is produced when all activator objects are available in the system, and no inhibitor object is present. Activators are not consumed by the application of such a rule. Objects disappear because of degradation: each object is equipped with a lifetime, and the object decays when such a lifetime expires. We investigate the computational expressiveness of Genetic Systems with interleaving semantics (a single action is executed in a computational step): we show that they are Turing equivalent by providing a deterministic encoding of Random Access Machines in Genetic Systems. We also show that the computational power strictly decreases when moving to Genetic Systems where either the degradation or the inhibition mechanism are absent.