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On convergence of multiple trigonometric series with monotone coefficients

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Abstract

We study the Pringsheim pointwise convergence of multiple trigonometric series. We obtain a condition on the coefficients of the series that guarantees its Pringsheim convergence and prove the unimprovability of this condition.

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Correspondence to D. G. Dzhumabaeva.

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The first author was supported by the Ministry of Education and Science of the Republic of Kazakhstan (Grant 4080/GF4); the second author was supported by the Russian Foundation for Basic Research (Grant 15–01–01236); and the third author was supported by the Ministry of Education and Science of the Republic of Kazakhstan (Grants 4080/GF4 and 3311/GF4).

Astana; Moscow. Translated from Sibirskiĭ Matematicheskiĭ Zhurnal, Vol. 58, No. 2, pp. 270–280, March–April, 2017; DOI: 10.17377/smzh.2017.58.203.

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Dzhumabaeva, D.G., Dyachenko, M.I. & Nursultanov, E.D. On convergence of multiple trigonometric series with monotone coefficients. Sib Math J 58, 205–214 (2017). https://doi.org/10.1134/S0037446617020033

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  • DOI: https://doi.org/10.1134/S0037446617020033

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