Poincare Inequalities and Moment Maps
Abstract
We propose a new method for obtaining Poincare-type inequalities on arbitrary convex bodies in Rn. Our technique involves a dual version of Bochner's formula and a certain moment map, and it also applies to some non-convex sets. In particular, we generalize the central limit theorem for convex bodies to a class of non-convex domains, including the unit balls of Lp-spaces in Rn for 0 < p < 1.
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