
arXiv: 2403.03298
In this paper, we study Feynman-Kac semigroups of symmetric $\alpha$-stable processes with supercritical killing potentials belonging to a large class of functions containing functions of the form $b|x|^{-\beta}$, where $b>0$ and $\beta>\alpha$. We obtain two-sided estimates on the densities $p(t, x, y)$ of these semigroups for all $t>0$, along with estimates for the corresponding Green functions.
Comment: 55 pages
\(\alpha\)-stable processes, Mathematics - Analysis of PDEs, Stable stochastic processes, Feynman-Kac semigroups, 60G51, 60J25, 60J35, 60J76, Applications of stochastic analysis (to PDEs, etc.), fractional Laplacian, Green functions, Mathematics - Probability
\(\alpha\)-stable processes, Mathematics - Analysis of PDEs, Stable stochastic processes, Feynman-Kac semigroups, 60G51, 60J25, 60J35, 60J76, Applications of stochastic analysis (to PDEs, etc.), fractional Laplacian, Green functions, Mathematics - Probability
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