Different degrees of non-compactness for optimal Sobolev embeddings

DOI10.1016/J.JFA.2023.109880zbMath1512.46025arXiv2211.07282MaRDI QIDQ6417161

Jan Lang, Zdeněk Mihula

Publication date: 14 November 2022

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Compactness in Banach (or normed) spaces (46B50)

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