Characterization of the attractor for nonautonomous reaction-diffusion equations with discontinuous nonlinearity
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866916233920643072 |
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| author | Valero, José |
| author_facet | Valero, José |
| contents | In this paper, we study the asymptotic behavior of the solutions of a nonautonomous differential inclusion modeling a reaction-diffusion equation with a discontinuous nonlinearity. We obtain first several properties concerning the uniqueness and regularity of non-negative solutions. Then we study the structure of the pullback attractor in the positive cone, showing that it consists of the zero solution, the unique positive nonautonomous equilibrium and the heteroclinic connections between them, which can be expressed in terms of the solutions of an associated linear problem. Finally, we analyze the relationship of the pullback attractor with the uniform, the cocycle and the skew product semiflow attractors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_01894 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Characterization of the attractor for nonautonomous reaction-diffusion equations with discontinuous nonlinearity Valero, José Analysis of PDEs Dynamical Systems https://doi.org/10.1016/j.jde.2020.11.036 In this paper, we study the asymptotic behavior of the solutions of a nonautonomous differential inclusion modeling a reaction-diffusion equation with a discontinuous nonlinearity. We obtain first several properties concerning the uniqueness and regularity of non-negative solutions. Then we study the structure of the pullback attractor in the positive cone, showing that it consists of the zero solution, the unique positive nonautonomous equilibrium and the heteroclinic connections between them, which can be expressed in terms of the solutions of an associated linear problem. Finally, we analyze the relationship of the pullback attractor with the uniform, the cocycle and the skew product semiflow attractors. |
| title | Characterization of the attractor for nonautonomous reaction-diffusion equations with discontinuous nonlinearity |
| topic | Analysis of PDEs Dynamical Systems https://doi.org/10.1016/j.jde.2020.11.036 |
| url | https://arxiv.org/abs/2405.01894 |