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The Dynamics of Nonlinear Reaction-Diffusion Equations with Small Levy Noise. 2013 ed..
・ISBN 978-3-319-00827-1 paper EUR 34.99
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| 著者・編者 | Debussche, Arnaud / Hoegele, Michael / Imkeller, Peter, |
|---|---|
| シリーズ | Lecture Notes in Mathematics |
| 出版社 | (Springer International Publishing AG, SZ) |
| 出版年月 | 2013 |
| ページ数 | 165 pp. |
| 言語 | ENG |
| ニュース番号 | <M25-24413> |
解説
This work considers a small random perturbation of alpha-stable jump type nonlinear reaction-diffusion equations with Dirichlet boundary conditions over an interval. It has two stable points whose domains of attraction meet in a separating manifold with several saddle points. Extending a method developed by Imkeller and Pavlyukevich it proves that in contrast to a Gaussian perturbation, the expected exit and transition times between the domains of attraction depend polynomially on the noise intensity in the small intensity limit. Moreover the solution exhibits metastable behavior: there is a polynomial time scale along which the solution dynamics correspond asymptotically to the dynamic behavior of a finite-state Markov chain switching between the stable states.