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An isoperimetric inequality for uniformly log-concave measures and uniformly convex bodies (2007)

Abstract
We prove an isoperimetric inequality for the uniform measure on a uniformly convex body and for a class of uniformly log-concave measures (that we introduce). These inequalities imply (up to universal constants) the log-Sobolev inequalities proved by Bobkov--Ledoux as well as the isoperimetric inequalities due to Bakry-Ledoux and Bobkov--Zegarlinski. We also recover a concentration inequality for uniformly convex bodies, similar to that proved by Gromov--Milman.. Comment: 39 pages

Publication details
Download http://arxiv.org/abs/math/0703857
Repository arXiv (United States)
Keywords Mathematics - Probability, Mathematics - Metric Geometry
Type text