Classes of functions constructed on the basis of averages over spheres. (The case of spaces of Sobolev type)

zbMATH Open0788.46032MaRDI QIDQ1174103

P. I. Lizorkin

Publication date: 25 June 1992

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

zbMATH Keywords

Sobolev spacesequivalent normsSobolev-Liouville spacesBessel's potentialsFourier mappingspherical regularisation

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35)

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