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Online Analysis and PDE seminar (UAM-UC-UC3M-UCM-ICMAT-IMUS)
Online Analysis and PDE seminar (UAM-UC-UC3M-UCM-ICMAT-IMUS)

 

STABLE SOLUTIONS TO SEMILINEAR ELLIPTIC EQUATIONS ARE SMOOTH UP TO DIMENSION 9

Ponente: Xavier Cabré (ICREA and Universitat Politècnica de Catalunya)

Fecha: miércoles, 25 de noviembre de 2020 - 15:00

Lugar: Online - Instrucciones: https://sites.google.com/view/analysis-pde-seminar/

Resumen: The regularity of stable solutions to semilinear elliptic PDEs has been studied since the 1970`s. In dimensions 10 and higher, there exist singular stable energy solutions. In this talk I will describe a recent work in collaboration with Figalli, Ros-Oton, and Serra, where we prove that stable solutions are smooth up to the optimal dimension 9. This answers to an open problem posed by Brezis in the mid-nineties concerning the regularity of extremal solutions to Gelfand-type problems.

Localización Fecha: miércoles, 25 de noviembre de 2020 - 15:00