Seminario / Birindelli
SEMINARIO MATEMATICO E FISICO DI MILANO
AVVISO DI CONFERENZA
Giovedì 9 marzo 2017, alle ore 17.00 precise
presso l'Aula Chisini del Dipartimento di Matematica dell'Università di
in via Saldini 50
Prof. Isabeau Birindelli
Sapienza Università di Roma
terra' la conferenza
"MAXIMUM PRINCIPLE AND THE PRINCIPAL EIGENVALUE, A LONG STORY"
Abstract: The link between the principal eigenvalue and the maximum
principle has been made very clear since the works of Protter -
Weinberger, Pucci and Berestycki-Nirenberg-Varadhan. Its consequences
are important and go from regularity of solutions to their very existence.
I will start by giving a survey of this rich field in the classical case
of the second order uniformly elliptic operators. Then I will go on
describing what and how some of these results extend or not to non
linear operators and to degenerate elliptic operators.