Stability of Dirichlet heat kernel estimates for non-local operators under Feynman-KAC perturbation

Zhen Qing Chen, Panki Kim, Renming Song

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

In this paper we show that Dirichlet heat kernel estimates for a class of (not necessarily symmetric) Markov processes are stable under nonlocal Feynman-Kac perturbations. This class of processes includes, among others, (reflected) symmetric stable-like processes in closed d-sets in Rd, killed symmetric stable processes, censored stable processes in C1,1 open sets, as well as stable processes with drifts in bounded C1,1 open sets. These twosided estimates are explicit involving distance functions to the boundary.

Original languageEnglish
Pages (from-to)5237-5270
Number of pages34
JournalTransactions of the American Mathematical Society
Volume367
Issue number7
DOIs
Publication statusPublished - 1 Jul 2015
Externally publishedYes

Keywords

  • Censored stable process
  • Dirichlet heat kernel
  • Feynman-Kac perturbation
  • Feynman-Kac transform
  • Fractional Laplacian
  • Heat kernel
  • Relativistic symmetric stable process
  • Symmetric stablelike process
  • Symmetric α-stable process
  • Transition density

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