On the regularity of characteristic functions of weakly exterior thick domains

DOI10.1134/s0081543823050085OpenAlexW4392843609MaRDI QIDQ6191392

Winfried Sickel

Publication date: 7 March 2024

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0081543823050085

zbMATH Keywords

quasiballs\(( \epsilon, \delta )\) domains

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Functions of several variables (26B99)

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