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25 April 2024
 
  » arxiv » 1511.6895

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Isoperimetric functional inequalities via the maximum principle: the exterior differential systems approach
Paata Ivanisvili ; Alexander Volberg ;
Date 21 Nov 2015
AbstractThe goal of this note is to give the unified approach to the solutions of a class of isoperimetric problems by relating them to the exterior differential systems studied by R.~Bryant and P.~Griffiths. In this note we list several classical by now isopereimetric inequalities which can be proved in a unified way. This unified approach reduces them to the so-called exterior differential systems studied by Robert Bryant and Phillip Griffiths. To the best of our knowledge, this is the first article where this connection is used.
Key words: log-Sobolev inequality, Poincar’e inequality, Bobkov’s inequality, Gaussian isoperimetry, semigroups, maximum principle, Monge--Amp’ere equation with drift, exterior differential systems, backwards heat equation, (B) theorem
Source arXiv, 1511.6895
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