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Title of Journal: Potential Anal

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Abbravation: Potential Analysis

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Springer Netherlands

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10.1007/bf02936041

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1572-929X

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Functional Inequalities and Hamilton–Jacobi Equati

Authors: Zoltán M Balogh Alexandre Engulatov Lars Hunziker Outi Elina Maasalo
Publish Date: 2011/04/28
Volume: 36, Issue: 2, Pages: 317-337
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Abstract

We study the connection between the pTalagrand inequality and the qlogarithmic Sololev inequality for conjugate exponents p ≥ 2 q ≤ 2 in proper geodesic metric spaces By means of a general Hamilton–Jacobi semigroup we prove that these are equivalent and moreover equivalent to the hypercontractivity of the Hamilton–Jacobi semigroup Our results generalize those of Lott and Villani They can be applied to deduce the pTalagrand inequality in the subRiemannian setting of the Heisenberg groupZ M Balogh was supported by the Swiss Nationalfond EC Project GALA “SubRiemannian geometric analysis in Lie groups” and ERC Project HCAA “Harmonic and complex analysis and applications” while A Engulatov and O E Maasalo were supported by the EC Project GALA “SubRiemannian geometric analysis in Lie groups”


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