86 citations · 347 across the 33 of their papers we have counts for
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math.PR2006★ 16 cited
Intrinsic Ultracontractivity for Levy processes
Tomasz Grzywny
We prove the intrinsic ultracontractivity for the semigroup generated by a large class of symmetric Levy processes such that the Levy measure satisfies some conditions in the neigh…
math.PR2006★ 9 cited
Estimates of Green Function for some perturbations of fractional Laplacian
Tomasz Grzywny, Michał Ryznar
Suppose that Y(t) is a d-dimensional Levy symmetric process for which its Levy measure differs from the Levy measure of the isotropic alpha-stable process (0<alpha<2) by a finite s…