TWO-SIDED ESTIMATES OF THE LEBESGUE CONSTANTS WITH RESPECT TO VILENKIN SYSTEMS AND APPLICATIONS

Author:

BLAHOTA I.,PERSSON L. E.,TEPHNADZE G.

Abstract

AbstractIn this paper, we derive two-sided estimates of the Lebesgue constants for bounded Vilenkin systems, we also present some applications of importance, e.g., we obtain a characterization for the boundedness of a subsequence of partial sums with respect to Vilenkin–Fourier series of H1 martingales in terms of n's variation. The conditions given in this paper are in a sense necessary and sufficient.

Publisher

Cambridge University Press (CUP)

Subject

General Mathematics

Reference13 articles.

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5. A class of complete orthonormal systems;Vilenkin;Izv. Akad. Nauk. U.S.S.R., Ser. Mat.,1947

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