An elementary proof of the Brezis and Mironescu theorem on the composition operator in fractional Sobolev spaces
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Publication:1602299
DOI10.1007/s00028-002-8082-1zbMath1006.46024OpenAlexW2068124170MaRDI QIDQ1602299
Vladimir Gilelevich Maz'ya, Tatyana Shaposhnikova
Publication date: 27 February 2003
Published in: Journal of Evolution Equations (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s00028-002-8082-1
Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Linear composition operators (47B33)
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