The sharp Jackson inequality for \(L^2\)-approximation on the periodic cylinder

DOI10.1016/S0252-9602(15)60009-1zbMath1340.41013OpenAlexW2084793093MaRDI QIDQ902329

Yi Gu, Yong-ping Liu

Publication date: 15 January 2016

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0252-9602(15)60009-1

zbMATH Keywords

weight functionmodulus of continuityJackson inequalitybest approximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17)

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