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math.AP2025
Harnack inequality for Bessel operators
Giorgio Metafune, Luigi Negro, Chiara Spina
We prove uniqueness results and Harnack inequality for Bessel operators \begin{align*} %\label{def L transf alpha} D_t-Î_{x} -2a\cdot\nabla_xD_y- D_{yy}- \frac cy D_y % \nonumber…
math.AP2024
Regularity theory for parabolic operators in the half-space with boundary degeneracy
Giorgio Metafune, Luigi Negro, Chiara Spina
We study elliptic and parabolic problems governed by the singular elliptic operators \begin{align*} \mathcal L=y^{α_1}\mbox{Tr }\left(QD^2_xu\right)+2y^{\frac{α_1+α_2}{2}}q\cdot…