68 citations · 248 across the 33 of their papers we have counts for
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math.PR2021
Decay of harmonic functions for discrete time Feynman--Kac operators with confining potentials
Wojciech Cygan, Kamil Kaleta, Mateusz Śliwiński
We propose and study a certain discrete time counterpart of the classical Feynman--Kac semigroup with a confining potential in countable infinite spaces. For a class of long range…
math.PR2021
On directional convolution equivalent densities
Kamil Kaleta, Daniel Ponikowski
We propose a definition of directional multivariate subexponential and convolution equivalent densities and find a useful characterization of these notions for a class of integrabl…