Logarithmic Sobolev inequalities on noncompact Riemannian manifolds

被引:1
|
作者
Feng-Yu Wang
机构
[1] Department of Mathematics,
[2] Beijing Normal University,undefined
[3] Beijing 100875,undefined
[4] P. R. China e-mail: wangfy@bnu.edu.cn,undefined
来源
关键词
AMS Subject Classification (1991): 35P15; 60J60;
D O I
暂无
中图分类号
学科分类号
摘要
This paper presents a dimension-free Harnack type inequality for heat semigroups on manifolds, from which a dimension-free lower bound is obtained for the logarithmic Sobolev constant on compact manifolds and a new criterion is proved for the logarithmic Sobolev inequalities (abbrev. LSI) on noncompact manifolds. As a result, it is shown that LSI may hold even though the curvature of the operator is negative everywhere.
引用
收藏
页码:417 / 424
页数:7
相关论文
共 50 条