Barenblatt profiles for a nonlocal porous medium equation

Abstract
We study a generalization of the porous medium equation involving nonlocal terms. More precisely, explicit self-similar solutions with compact support generalizing the Barenblatt solutions are constructed. We also present a formal argument to get the Lp decay of weak solutions of the corresponding Cauchy problem. Cette Note est consacrée à lʼétude dʼune généralisation non locale de lʼéquation des milieux poreux. Plus précisément, on obtient des formules explicites de solutions auto-similaires à support compact qui ressemblent fortement aux solutions de type Barenblatt. On donne aussi un argument formel qui permet dʼobtenir des estimations Lp des solutions faibles du problème de Cauchy.

This publication has 10 references indexed in Scilit: