N. V. Krylov

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20222026

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math.AP2023

On parabolic equations in Sobolev spaces with lower-order coefficients from Morrey spaces

N. V. Krylov

We consider parabolic equations with operators $L = \partial_{t} + a^{ij} D_{ij} + b^{i} D_{i} - c$ with $a$ being almost in VMO, $b$ in a Morrey class containing $L_{d + 2}$ and $c…

math.AP2023

A remark on a paper of F. Chiarenza and M. Frasca

N. V. Krylov

In 1990 F. Chiarenza and M. Frasca published a paper in which they generalized a result of C. Fefferman on estimates of the integral of $∣ b u ∣^{p}$ through the integral of $|Du|^{p}…