Approximation with best order by Toeplitz-irregular methods of summability of Fourier series

DOI10.1007/BF02266697zbMath0858.42002OpenAlexW2014505826MaRDI QIDQ1905336

V. A. Baskakov

Publication date: 8 January 1996

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

Full work available at URL: https://doi.org/10.1007/bf02266697

zbMATH Keywords

summabilitytrigonometric polynomialsFourier seriesbest approximationFourier coefficientsToeplitz regular and irregular methods

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50)

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