On exact values of quasiwidths for some classes of differentiable periodic functions of two variables

DOI10.1007/S11253-009-0251-8zbMath1224.41087OpenAlexW2027477838MaRDI QIDQ3076419

Mirgand Shabozovich Shabozov, M. O. Akobirshoev

Publication date: 22 February 2011

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

Full work available at URL: https://doi.org/10.1007/s11253-009-0251-8

zbMATH Keywords

Kolmogorov widthdifferentiable periodic functionlinear quasiwidth

Mathematics Subject Classification ID

Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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Mean-square ``angle approximation in the \(L_2\) metric and the values of quasiwidths for some classes of functions

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