Geodesic
Functions with universal Fourier-Walsh series
Sbornik. Mathematics, Tome 211 (2020) no. 6, pp. 850-874 Cet article a éte moissonné depuis la source Math-Net.Ru

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We prove results on the existence of functions whose Fourier series in the Walsh system are universal in some sense or other in the function classes $L^p[0,1]$, $0, and $M[0,1]$. We also give a description of the structure of these functions. Bibliography: 30 titles.
Keywords: universal functions, Fourier-Walsh series, almost everywhere convergence.
Mots-clés : convergence 
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M. G. Grigoryan. Functions with universal Fourier-Walsh series. Sbornik. Mathematics, Tome 211 (2020) no. 6, pp. 850-874. http://geodesic.mathdoc.fr/item/SM_2020_211_6_a3/

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