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math.FA2024
Harmonic functions for Bessel operators
Michał Dymowski, Marcin Preisner, Adam Sikora
We verify the continuity of the Riesz transform from the operator related Hardy space to - Lebesgue space of integrable functions. For the standard Euclidean Laplace operator…
math.AP2024
Regularity and Separation for -Laplace operators
Daniel Hauer, Adam Sikora
We analyze -Laplace operators with degenerate elliptic coefficients. This investigation includes Grušin type -Laplace operators. We describe a \emph{separation phenomenon} in…