Integral approximation of the characteristic function of an interval and the Jackson inequality in \(C(\mathbb T)\)

DOI10.1134/S0081543809060054zbMATH Open1252.41011OpenAlexW1496706349MaRDI QIDQ643728

A. G. Babenko, Yu. V. Kryakin

Publication date: 2 November 2011

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

Full work available at URL: https://doi.org/10.1134/s0081543809060054

zbMATH Keywords

integral approximation of a function by polynomialsthe Jackson inequality

Mathematics Subject Classification ID

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

Cites Work

• Title not available (Why is that?)
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• On the exact constant in the Jackson-Stechkin inequality for the uniform metric
• Extremal properties of entire functions of exponential type

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