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  • Author or Editor: George Tephnadze x
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The main aim of this paper is to investigate (H p, L p) and (H p, L p,∞) type inequalities for maximal operators of Riesz logarithmic means of one-dimensional Vilenkin—Fourier series.

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The main aim of this paper is to prove that there exist a martingale fH 1/2 such that Fejér means of Vilenkin-Fourier series of the martingale f is not uniformly bounded in the space L 1/2.

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