Global attractors for a class of semilinear degenerate parabolic equations
In this paper, we consider the long-time behavior for a class of semi-linear degenerate parabolic equations with the nonlinearity ff satisfying the polynomial growth of arbitrary p−1p-1 order. We establish some new estimates, i.e., asymptotic higher-order integrability for the difference of the solu...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
De Gruyter
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/42aa706084df4166a2f9ba49938f5232 |
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| Sumario: | In this paper, we consider the long-time behavior for a class of semi-linear degenerate parabolic equations with the nonlinearity ff satisfying the polynomial growth of arbitrary p−1p-1 order. We establish some new estimates, i.e., asymptotic higher-order integrability for the difference of the solutions near the initial time. As an application, we obtain the (L2(Ω),Lp(Ω))\left({L}^{2}\left(\Omega ),{L}^{p}\left(\Omega ))-global attractors immediately; moreover, such an attractor can attract every bounded subset of L2(Ω){L}^{2}\left(\Omega ) with the Lp+δ{L}^{p+\delta }-norm for any δ∈[0,+∞)\delta \in \left[0,+\infty ). |
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