Existence, regularity and asymptotic behavior of solutions for a nonlocal Chafee-Infante Problem via semigroup theory

Fuente: arXiv
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Autores principales: Caraballo, Tomás, Carvalho, A. N., Julio, Yessica
Formato: Preprint
Publicado: 2024
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author Caraballo, Tomás
Carvalho, A. N.
Julio, Yessica
author_facet Caraballo, Tomás
Carvalho, A. N.
Julio, Yessica
contents This article deals with the study of a non-local one-dimensional quasilinear problem with continuous forcing. We use a time-reparameterization to obtain a semilinear problem and study a more general equation using semigroup theory. The existence of mild solutions is established without uniqueness with the aid of the formula of variation of constants and asking only a suitable modulus of continuity on the nonlinearity this mild solution is shown to be strong. Comparison results are also established with the aid of the formula of variation of constants and using these comparison results, global existence is obtained with the additional requirement that the nonlinearity satisfy a structural condition. The existence of pullback attractor is also established for the associated multivalued process along with the uniform bounds given by the comparison results with the additional requirement that the nonlinearity be dissipative. As much as possible the results are abstract so that they can be also applied to other models.
format Preprint
id arxiv_https___arxiv_org_abs_2403_05520
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Existence, regularity and asymptotic behavior of solutions for a nonlocal Chafee-Infante Problem via semigroup theory
Caraballo, Tomás
Carvalho, A. N.
Julio, Yessica
Analysis of PDEs
35Q30, 35B41, 35K58, 76D05
This article deals with the study of a non-local one-dimensional quasilinear problem with continuous forcing. We use a time-reparameterization to obtain a semilinear problem and study a more general equation using semigroup theory. The existence of mild solutions is established without uniqueness with the aid of the formula of variation of constants and asking only a suitable modulus of continuity on the nonlinearity this mild solution is shown to be strong. Comparison results are also established with the aid of the formula of variation of constants and using these comparison results, global existence is obtained with the additional requirement that the nonlinearity satisfy a structural condition. The existence of pullback attractor is also established for the associated multivalued process along with the uniform bounds given by the comparison results with the additional requirement that the nonlinearity be dissipative. As much as possible the results are abstract so that they can be also applied to other models.
title Existence, regularity and asymptotic behavior of solutions for a nonlocal Chafee-Infante Problem via semigroup theory
topic Analysis of PDEs
35Q30, 35B41, 35K58, 76D05
url https://arxiv.org/abs/2403.05520