Sharp two-sided Green function estimates for Dirichlet forms degenerate at the boundary (CROSBI ID 328176)
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Podaci o odgovornosti
Kim, Panki ; Song, Renming ; Vondraček, Zoran
engleski
Sharp two-sided Green function estimates for Dirichlet forms degenerate at the boundary
The goal of this paper is to establish Green function estimates for a class of purely discontinuous symmetric Markov processes with jump kernels degenerate at the boundary and critical killing potentials. The jump kernel and the killing potential depend on several parameters.We establish sharp two-sided estimates on the Green functions of these processes for all admissible values of the parameters involved. Depending on the regions where the parameters belong, the estimates on the Green functions are different. In fact, the estimates have three different forms. As applications, we prove that the boundary Harnack principle holds in certain region of the parameters and fails in some other region of the parameters. Together with the main results of our previous paper [Potential Anal., online, 2021], we completely determine the region of the parameters where the boundary Harnack principle holds.
Markov processes, Dirichlet forms, jump kernel, killing potential, Green function, Harnack inequality, Carleson estimate, boundary Harnack principle
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Podaci o izdanju
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2023.
prihvaćeno za objavljivanje
1435-9855
10.4171/JEMS/1322