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Lewis Lectures

The Oriented Plateau Problem

Camillo De Lellis, IAS, Princeton

Location:  Hill 705
Date & time: Wednesday, 24 October 2018 at 12:00PM - 1:00PM

Abstract: The Plateau problem, named by Henry Lebesgue after the Belgian physicist, consists in finding the surface of least area which spans a given contour.  In order to tackle such question, generations of mathematicians have investigated the very fundamental notions of ``surface", ``boundary" and ``area", proposing a variety of different theories.  In this talk I will give a brief exposition of the so-called theory of currents, introduced by Federer and Fleming in the 60's after the pioneering work of De Giorgi in the case of hypersurfaces.  I will then discuss an open question relating the shapes of the contour and that of the minimizer, posed by Almgren in the early eighties and recently solved in a joint work with Guido de Philippis, Jonas Hirsch and Annalisa Massaccesi.

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