A sharp boundedness result for restricted maximal operators of Vilenkin–Fourier series on martingale Hardy spaces

Author:

Blahota István,Nagy Karoly,Persson Lars-Erik,Tephnadze George

Abstract

Abstract The restricted maximal operators of partial sums with respect to bounded Vilenkin systems are investigated. We derive the maximal subspace of positive numbers, for which this operator is bounded from the Hardy space {H_{p}} to the Lebesgue space {L_{p}} for all {0<p\leq 1} . We also prove that the result is sharp in a particular sense.

Funder

Shota Rustaveli National Science Foundation

Publisher

Walter de Gruyter GmbH

Subject

General Mathematics

Reference40 articles.

1. On the Walsh functions;Trans. Amer. Math. Soc.,1949

2. Approximation by Vilenkin–Fourier sums;Acta Math. Hungar.,1986

3. On generalized Walsh Fourier series;Tôhoku Math. J. (2),1958

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