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A problem on approximation by Fourier sums with monotone coefficients - MaRDI portal

A problem on approximation by Fourier sums with monotone coefficients

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Publication:807904

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DOI10.1016/0021-9045(90)90040-WzbMath0731.42004OpenAlexW2016963513MaRDI QIDQ807904

Song Ping Zhou

Publication date: 1990

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(90)90040-w

zbMATH Keywords

trigonometric polynomials Fourier series best approximation degree of approximation monotone Fourier coefficients

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Trigonometric series of special types (positive coefficients, monotonic coefficients, etc.) (42A32)

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