On estimates of the order of the best M-term approximations of functions of several variables in the anisotropic Lorentz-Zygmund space

DOI10.18500/1816-9791-2023-23-2-142-156zbMath1530.41021MaRDI QIDQ6171492

G. A. Akishev

Publication date: 11 August 2023

Published in: Izvestiya of Saratov University. Mathematics. Mechanics. Informatics (Search for Journal in Brave)

Full work available at URL: http://mathnet.ru/eng/isu974

zbMATH Keywords

Lorentz-Zygmund spaceNikol'skii-Besov class\(M\)-term approximation

Mathematics Subject Classification ID

Function spaces arising in harmonic analysis (42B35) Trigonometric approximation (42A10) Approximation by arbitrary linear expressions (41A45)

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