Approximation of periodic functions of several variables by combinations of functions depending on fewer variables

zbMath0694.41030MaRDI QIDQ909172

Vladimir N. Temlyakov

Publication date: 1987

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

zbMATH Keywords

Sobolev classasymptotic estimatesNikolsky class

Mathematics Subject Classification ID

Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Multidimensional problems (41A63) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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