scientific article; zbMATH DE number 1837628

DOI10.1023/A:1021691615557zbMath1006.42014OpenAlexW2911378338MaRDI QIDQ4782479

A. S. Romanyuk

Publication date: 1 December 2002

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

Full work available at URL: https://doi.org/10.1023/a:1021691615557

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

best approximation by trigonometric polynomialshyperbolic crossde la Vallée Poussin kernellinear approximation methods

Mathematics Subject Classification ID

Function spaces arising in harmonic analysis (42B35) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Fourier series and coefficients in several variables (42B05) Approximation by arbitrary linear expressions (41A45)

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