Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4590841 | Journal of Functional Analysis | 2012 | 25 Pages |
Abstract
We unify and slightly improve several bounds on the isotropic constant of high-dimensional convex bodies; in particular, a linear dependence on the bodyʼs ψ2 constant is obtained. Along the way, we present some new bounds on the volume of Lp-centroid bodies and yet another equivalent formulation of Bourgainʼs hyperplane conjecture. Our method is a combination of the Lp-centroid body technique of Paouris and the logarithmic Laplace transform technique of the first named author.
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