On exact values of quasiwidths of some classes of functions

DOI10.1007/BF02378524zbMath0887.41025MaRDI QIDQ3364832

No author found.

Publication date: 1996

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

smoothness modulusKolmogorov quasi-width

Mathematics Subject Classification ID

Approximation by arbitrary nonlinear expressions; widths and entropy (41A46) Special properties of functions of several variables, Hölder conditions, etc. (26B35)

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Mean-square approximation by ``angle in the space \(L_{2,\mu}(\mathbb{R}^2)\) with the Chebyshev-Hermite weight

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