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Original scientific paper

Necessary and sufficient condition for $L^1$-convergence of cosine trigonometric series with δ-quasimonotone coefficients

Ž. Tomovski


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page 219-224

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Abstract

For a cosine trigonometric series with coefficients in the class
S_p(δ), 1 < p ≤ 2, the necessary and sufficient condition for
L^1 -convergence is obtained.

Keywords

δ-quasi-monotone sequence; cosine trigonometric series; Fourier series; Dirichlet kernel; Abel's transformation; Holder inequality; Hausdorff-Young inequality; L^1-convergence of Fourier series

Hrčak ID:

875

URI

https://hrcak.srce.hr/875

Publication date:

11.12.1999.

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