Reichert, Christian
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Abstract
We study the asymptotic behaviour of some mesoscopic stochastic models for systems of reacting and diffusing particles (also known as density-dependent population processes) as the number of particles goes to infinity. Our approach is related to the variational approach to solving the parabolic partial differential equations that arise as limit dynamics. We first present a result for a model that converges to a classical system of reaction-diffusion equations. In addition, we discuss two models with nonlinear diffusion that give rise to quasilinear parabolic equations in the limit.
| Document type: | Preprint |
|---|---|
| Series Name: | IWR-Preprints |
| Date Deposited: | 23 May 2007 07:09 |
| Date: | 2007 |
| Faculties / Institutes: | Service facilities > Interdisciplinary Center for Scientific Computing |
| DDC-classification: | 510 Mathematics |
| Controlled Keywords: | Gesetz der großen Zahlen, Reaktionsdynamik, Stochastisches Teilchensystem |
| Uncontrolled Keywords: | Law of large numbers , reaction-diffusion model |
