https://doi.org/10.4169/amer.math.monthly.123.9.884 • https://www.jstor.org/stable/10.4169/amer.math.monthly.123.9.884 Copy URL We review and give elementary proofs ...
Abstract. We prove gradient estimates for harmonic functions with respect to a d-dimensional unimodal pure-jump Lévy process under some mild assumptions on the density of its Lévy measure. These ...