Discrete solutions to differential equations by metabolic P systems

  • Authors:
  • Federico Fontana;Vincenzo Manca

  • Affiliations:
  • University of Verona, Department of Computer Science, 15 Strada le Grazie, Verona 37134, Italy;University of Verona, Department of Computer Science, 15 Strada le Grazie, Verona 37134, Italy

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2007

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Abstract

The relationships existing between metabolic P systems and ODE systems are investigated. Formal results show that every MP system determines a structure, called an MP graph, which results in an ODE system whose solution equals, in the limit, the evolution of any non-cooperative MP system that can be derived from the initial one by means of a systematic procedure. Examples based on the model of a mitotic oscillator in early amphibian embryos, the Lotka-Volterra predator-prey population dynamics, and the Lorenz strange attractor are provided, showing the applicability of the proposed computational approach.