Order estimates of the uniform approximations by Zygmund sums on the classes of convolutions of periodic functions

DOI10.15330/CMP.13.1.68-80zbMath1476.41014arXiv2011.07619OpenAlexW3159016467WikidataQ114007018 ScholiaQ114007018MaRDI QIDQ5006759

A. S. Serdyuk, Ulyana Z. Hrabova

Publication date: 17 August 2021

Published in: Carpathian Mathematical Publications (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2011.07619

zbMATH Keywords

best approximationFejér sumorder estimateZygmund sumsubspace of trigonometric polynomials

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Related Items (3)

Direct and inverse theorems on the approximation of almost periodic functions in Besicovitch-Stepanets spaces ⋮ Asymptotic estimates for the widths of classes of functions of high smothness ⋮ Fourier transform of the summatory Abel-Poisson function

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