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Article Dans Une Revue Annals of Probability Année : 2011

A new characterization of Talagrand's transport-entropy inequalities and applications

Résumé

We show that Talagrand's transport inequality is equivalent to a restricted logarithmic Sobolev inequality. This result clarifies the links between these two important functional inequalities. As an application, we give the first proof of the fact that Talagrand's inequality is stable under bounded perturbations

Dates et versions

hal-00795826 , version 1 (01-03-2013)

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Nathael Gozlan, Cyril Roberto, Paul-Marie Samson. A new characterization of Talagrand's transport-entropy inequalities and applications. Annals of Probability, 2011, 39 (3), pp.857--880. ⟨10.1214/10-AOP570⟩. ⟨hal-00795826⟩
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