On the approximation of functions of class \(W^ 1\) by Cesaro means

zbMath0519.42004MaRDI QIDQ1054930

Sergey A. Telyakovskii

Publication date: 1983

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

zbMATH Keywords

extremal functionsasymptotic upper boundCesaro means

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Conjugate functions, conjugate series, singular integrals (42A50) Trigonometric polynomials, inequalities, extremal problems (42A05)

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