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Remarks on the discretizations of the perimeter

Presented by: 
Antonin Chambolle
Friday 14th June 2019 - 10:00 to 11:00
INI Seminar Room 1
I will discuss some results on finite differences and finite element approximations of the total variation for possibly discontinuous functions.
In particular the talk will focus on the differences between various types of approximations, both qualitatively and quantitatively. This is based on
joint works with Thomas Pock (TU Graz) and Corentin Caillaud (CMAP, Ecole Polytechnique & CNRS, Palaiseau)
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons