The first author is supported by the projects
EFOP-3.6.2-16-2017-00015 and EFOP-3.6.1-16-2016-00022 supported by the
European Union, co-financed by the European Social Fund. The second author
supported by Shota Rustaveli National Science Foundation grant no. 217282
(Operators of Fourier analysis in some classical and new function spaces).
This publication is cited in the following 4 articles:
Juan Pablo Velasquez-Rodriguez, Trends in Mathematics, 1, Extended Abstracts MWCAPDE 2023, 2024, 87
J. P. Velasquez-Rodriguez, “Titchmarsh theorems for Hölder-Lipschitz functions on profinite groups”, J Anal, 32:2 (2024), 757
Sergo A. Episkoposian, Martin G. Grigorian, Tigran M. Grigorian, “On the universal pair with respect to the generalized Walsh system”, Adv. Oper. Theory, 9:1 (2024)
U. Goginava, K. Nagy, “Strong summability of double Vilenkin–Fourier series”, Acta Sci. Math. (Szeged), 88:3-4 (2022), 673