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math.PR2024
Ground state decay for Schrödinger operators with confining potentials
Miłosz Baraniewicz
We give two-sided estimates of a ground state for Schrödinger operators with confining potentials. We propose a semigroup approach, based on resolvent and the Feynman--Kac formula,…
math.PR2022
Exponential densities and compound Poisson measures
Miłosz Baraniewicz, Kamil Kaleta
We prove estimates at infinity of convolutions and densities of the corresponding compound Poisson measures for a class of radial decreasing densities on $\mathbb{R}^d…