Brief Communications

Extremal positivity problem for integrals of sine series with monotone coefficients

E. D. Alferova^ab, A. Yu. Popov<sup>ab

a</sup> Lomonosov Moscow State University
^b Moscow Center for Fundamental and Applied Mathematics

Keywords: monotone coefficients, sine series, conjugate Dirichlet kernel.

Received: 13.03.2024

DOI: 10.4213/mzm14309

 English version: Mathematical Notes, 2024, 116:2, 382–386

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