# A variational approach to nonlocal and crystalline curvature flows

## Marcello Ponsiglione (Dip. Mat. Univ. Roma La Sapienza'')

created by gelli on 18 Oct 2015

28 oct 2015 -- 17:00   [open in google calendar]

Aula Seminari Dipartimento di Matematica di Pisa

Abstract.

In this seminar I will introduce a generalized notion of (local and nonlocal) perimeter and curvature. Then, I will describe the corresponding geometric flows, showing the coherence between variational methods (based on the minimizing movements approach) and viscosity methods. Finally, I will describe a new approach to existence and uniqueness of crystalline curvature flows. The results presented in this seminar are in collaboration with A. Chambolle and M. Morini.

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