On the approximation of functions in the space \(W^r_p(\Omega)\) by functions with compact support for an arbitrary open set \(\Omega\)

zbMath0322.46041MaRDI QIDQ1223806

Victor I. Burenkov

Publication date: 1974

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

Mathematics Subject Classification ID

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

Related Items (1)

Approximation of weak solutions of the Laplace equation by harmonic polynomials

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