English

Dimension-independent Harnack inequalities for subordinated semigroups

Probability 2010-04-20 v1

Abstract

Dimension-independent Harnack inequalities are derived for a class of subordinate semigroups. In particular, for a diffusion satisfying the Bakry-Emery curvature condition, the subordinate semigroup with power α\alpha satisfies a dimension-free Harnack inequality provided α(1/2,1)\alpha \in(1/2, 1), and it satisfies the log-Harnack inequality for all α(0,1).\alpha \in (0,1). Some infinite-dimensional examples are also presented.

Keywords

Cite

@article{arxiv.1004.3016,
  title  = {Dimension-independent Harnack inequalities for subordinated semigroups},
  author = {Maria Gordina and Michael Röckner and Feng-Yu Wang},
  journal= {arXiv preprint arXiv:1004.3016},
  year   = {2010}
}