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Mat. Zametki, 2025 Volume 117, Issue 1, Pages 79–90 (Mi mzm14328)

Sets of uniqueness for subsystems of the trigonometric system

A. D. Kazakovaa, M. G. Plotnikovba

a Lomonosov Moscow State University
b Moscow Center for Fundamental and Applied Mathematics

Abstract: For some families of subsystems of the trigonometric function system $\{\exp(2\pi i n x)\}_{n \in \mathbb{Z}}$, we find sufficient conditions for a set to be a uniqueness set for a given subsystem.

Keywords: trigonometric system, set of uniqueness, $p$-ary decomposition, lacunary series.

UDC: 517.518

MSC: 42A63, 42A55, 42C25

Received: 01.04.2024
Revised: 10.06.2024

DOI: 10.4213/mzm14328


 English version:
Mathematical Notes, 2025, 117:1, 75–84


© Steklov Math. Inst. of RAS, 2025