Brief Communications

Functions Almost Universal in the Sense of Signs with Respect to the Trigonometric System and the Walsh System

L. N. Galoyan, M. G. Grigoryan

Yerevan State University

Keywords: universal Fourier series, class of measurable functions, almost everywhere, convergence.

Received: 28.12.2023

DOI: 10.4213/mzm14257

 English version: Mathematical Notes, 2024, 115:6, 1030–1034

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