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On the connection of coefficient and structural conditions about Fourier series - MaRDI portal

On the connection of coefficient and structural conditions about Fourier series (Q1599810)

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scientific article; zbMATH DE number 1751382
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English
On the connection of coefficient and structural conditions about Fourier series
scientific article; zbMATH DE number 1751382

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    On the connection of coefficient and structural conditions about Fourier series (English)
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    5 January 2003
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    Relations are established between two types of conditions: those posed on the Fourier coefficients and structural ones for \(2\pi\)-periodic functions in \(L^p,\) \(p>1.\) Known results were given in terms of the function \(x^\beta,\) \(\beta>0;\) here this function is replaced by either a concave function or that of a Mulholland type.
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    Fourier series
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    structural condition
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    concave function
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    Mulholland function
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    best approximation
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