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Effects of different discretisations of the Laplacian upon stochastic simulations of reaction–diffusion systems on both static and growing domains by Bartosz J. Bartmanski; Ruth E. Baker is a Mathematics article available to read on EtoBox.
What is Effects of different discretisations of the Laplacian upon stochastic simulations of reaction–diffusion systems on both static and growing domains about?
By discretising space into compartments and letting system dynamics be governed by the reaction-diffusion master equation, it is possible to derive and simulate a stochastic model of reaction and diffusion on an arbitrary domain. However, there are many implementation choices involved in this process, such as the choice of discretisation and method of derivation of the diffusive jump rates, and it is not clear a priori how these affect model predictions. To shed light on this issue, in this work we explore how a variety of discretisations and methods for derivation of the diffusive jump rates affect the outputs of stochastic simulations of reaction-diffusion models, in particular using Turing's model of pattern formation as a key example. We consider both static and uniformly growing domains and demonstrate that, while only minor differences are observed for simple reaction-diffusion systems, there can be vast differences in model predictions for systems that include complicated reaction kinetics, such as Turing's diffusion-driven instability model of pattern formation. Our work highlights that care must be taken in using the reaction-diffusion master equation framework to make pre
Who reads Effects of different discretisations of the Laplacian upon stochastic simulations of reaction–diffusion systems on both static and growing domains?
It is typically read by researchers, students, and practitioners in Mathematics.
- Author
- Bartosz J. Bartmanski; Ruth E. Baker
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Mathematics (Physical Sciences)