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arXiv:1206.5931 [math.PR]AbstractReferencesReviewsResources

Equivalence of the Poincaré inequality with a transport-chi-square inequality in dimension one

Benjamin Jourdain

Published 2012-06-26Version 1

In this paper, we prove that, in dimension one, the Poincar\'e inequality is equivalent to a new transport-chi-square inequality linking the square of the quadratic Wasserstein distance with the chi-square pseudo-distance. We also check tensorization of this transport-chi-square inequality.

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