Geodesic
On universal Fourier--Walsh series
Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the 20 International Saratov Winter School "Contemporary Problems of Function Theory and Their Applications", Saratov, January 28 — February 1, 2020. Part 2, Tome 200 (2021), pp. 45-57.

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In this work, we construct an asymptotic universal function for the spaces $L^{p}(0,1)$, $p\geq1$, with respect to the Walsh system in the sense of gaps (omissions) and signs.
Keywords: Fourier–Walsh coefficients, Fourier series, asymptotic universal function
Mots-clés : norm convergence. 
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M. G. Grigoryan. On universal Fourier--Walsh series. Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the 20 International Saratov Winter School "Contemporary Problems of Function Theory and Their Applications", Saratov, January 28 — February 1, 2020. Part 2, Tome 200 (2021), pp. 45-57. http://geodesic.mathdoc.fr/item/INTO_2021_200_a4/

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