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Matematicheskie Zametki, 2017, Volume 102, Issue 1, Pages 52–63
DOI: https://doi.org/10.4213/mzm9694 (Mi mzm9694) 		 
$\varphi$-Strong Approximation of Functions by Trigonometric Polynomials

R. A. Lasuriya

Abkhazian State University
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DOI: https://doi.org/10.4213/mzm9694
Abstract: The rate of $\varphi$-strong approximation of periodic functions by trigonometric polynomials constructed on the basis of interpolating polynomials with equidistant nodes is considered.
Keywords: Fourier–Lagrange series, group of deviations, best approximation, Dirichlet kernel.
Received: 02.11.2016
English version:
Mathematical Notes, 2017, Volume 102, Issue 1, Pages 43–52
DOI: https://doi.org/10.1134/S0001434617070057
Bibliographic databases:
Document Type: Article
UDC: 517.5
Language: Russian
Citation: R. A. Lasuriya, “$\varphi$-Strong Approximation of Functions by Trigonometric Polynomials”, Mat. Zametki, 102:1 (2017), 52–63; Math. Notes, 102:1 (2017), 43–52
Citation in format AMSBIB
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