Average widths of Sobolev classes on \(\mathbb{R}^ n\)

DOI10.1006/JATH.1994.1005zbMath0802.41023OpenAlexW1993243023MaRDI QIDQ1314518

Gregorij G. Magaril-Il'yaev

Publication date: 17 February 1994

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jath.1994.1005

zbMATH Keywords

Sobolev spacesKolmogorov width\(L^ p\)-spaces\(\nu\)-width

Mathematics Subject Classification ID

Spaces of measurable functions ((L^p)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) (46E30) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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