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Pré-Publication, Document De Travail Année : 2013

Stability properties for quasilinear parabolic equations with measure data and applications

Résumé

\begin{abstract} Let $\Omega$ be a bounded domain of $\mathbb{R}^{N}$, and $Q=\Omega \times(0,T).$ We first study the problem \[ \left\{ \begin{array} [c]{l}% {u_{t}}-{\Delta_{p}}u=\mu\qquad\text{in }Q,\\ {u}=0\qquad\text{on }\partial\Omega\times(0,T),\\ u(0)=u_{0}\qquad\text{in }\Omega, \end{array} \right. \] where $p>1$, $\mu\in\mathcal{M}_{b}(\Omega)$ and $u_{0}\in L^{1}(\Omega).$ Our main result is a \textit{stability theorem }extending the results of Dal Maso, Murat, Orsina, Prignet, for the elliptic case\textit{. } As an application, we consider the perturbed problem\textit{ } \[ \left\{ \begin{array} [c]{l}% {u_{t}}-{\Delta_{p}}u+\mathcal{G}(u)=\mu\qquad\text{in }Q,\\ {u}=0\qquad\text{on }\partial\Omega\times(0,T),\\ u(0)=u_{0}\qquad\text{in }\Omega, \end{array} \right. \] where $\mathcal{G}(u)$ may be an absorption or a source term$.$ In the model case $\mathcal{G}(u)=\pm\left\vert u\right\vert ^{q-1}u$ $(q>p-1),$ or $\mathcal{G}$ has an exponential type. We give existence results when $q$ is subcritical, or when the measure $\mu$ is good in time and satisfies suitable capacity conditions. \end{abstract}
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Dates et versions

hal-00874943 , version 1 (19-10-2013)
hal-00874943 , version 2 (04-12-2013)

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Marie-Françoise Bidaut-Véron, Hung Nguyen Quoc. Stability properties for quasilinear parabolic equations with measure data and applications. 2013. ⟨hal-00874943v2⟩
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