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Weighted Integrability of \(p\)-Adic Fourier Transform

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Abstract

We obtain sufficient conditions for functions defined on \(p\)-adic linear space providing the weighted integrability of their Fourier transforms. The Bernstein-Szasz type conditions connected with moduli of smoothness are sharp in a certain sense. As a corollary we deduce recent results of S. S. Platonov. Also we prove Zygmund type tests for integrability of functions having bounded \(s\)-fluctuation and belonging to a Hölder class.

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Funding

The work of second author was supported by the Ministry of Science and Education of the Russian Federation in the framework of the basic part of the scientific research state task, project FSRR-2020-0006 .

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Correspondence to Sergey S. Volosivets.

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Golubov, B.I., Volosivets, S.S. Weighted Integrability of \(p\)-Adic Fourier Transform. P-Adic Num Ultrametr Anal Appl 12, 203–209 (2020). https://doi.org/10.1134/S2070046620030036

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  • DOI: https://doi.org/10.1134/S2070046620030036

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