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

被引:2
|
作者
Jourdain, Benjamin [1 ]
机构
[1] Univ Paris Est, CERMICS, Paris, France
关键词
Poincare inequality; transport inequality; chi-square pseudo-distance; Wasserstein distance;
D O I
10.1214/ECP.v17-2115
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
In this paper, we prove that, in dimension one, the Poincare 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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页码:1 / 12
页数:12
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