Drábek Pavel and Zahradníková Michaela: Bistable equation with discontinuous density dependent diffusion with degenerations and singularities. (2021)
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Abstract
In this article we introduce rather general notion of the stationary solution of the bistable equation which allows to treat discontinuous density dependent diffusion term with singularities and degenerations, as well as degenerate or non-Lipschitz balanced bistable reaction term. We prove the existence of new-type solutions which do not occur in case of the “classical” setting of the bistable equation. In the case of the power-type behavior of the diffusion and bistable reaction terms near the equilibria we provide detailed asymptotic analysis of the corresponding solutions and illustrate the lack of smoothness due to the discontinuous diffusion.
| Item Type: | Journal |
|---|---|
| Publication full: | Electronic journal of qualitative theory of differential equations |
| Date: | 2021 |
| Number: | 61 |
| ISSN: | 1417-3875 |
| Number of Pages: | 16 |
| Language: | English |
| DOI: | 10.14232/ejqtde.2021.1.61 |
| Uncontrolled Keywords: | Differenciálegyenlet |
| Additional Information: | Bibliogr.: 16. p. ; összefoglalás angol nyelven |
| Date Deposited: | 2021. Nov. 11. 08:53 |
| Last Modified: | 2021. Nov. 11. 08:53 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/73713 |
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