Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series

The main aim of this paper is to prove that the logarithmic means of quadratical partial sums of the double Walsh-Kaczmarz series does not improve the convergence in measure. In other words, we prove that for any Orlicz space, which is not a subspace of L log+ L(I2), the set of the functions the log...

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Main Authors: Ushangi Goginava, Károly Nagy
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Journal of Function Spaces and Applications
Online Access:http://dx.doi.org/10.1155/2012/582726
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author Ushangi Goginava
Károly Nagy
author_facet Ushangi Goginava
Károly Nagy
author_sort Ushangi Goginava
collection DOAJ
description The main aim of this paper is to prove that the logarithmic means of quadratical partial sums of the double Walsh-Kaczmarz series does not improve the convergence in measure. In other words, we prove that for any Orlicz space, which is not a subspace of L log+ L(I2), the set of the functions the logarithmic means of quadratical partial sums of the double Walsh-Kaczmarz series of which converge in measure is of first Baire category.
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publishDate 2012-01-01
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spelling doaj-art-891cd900762c4dbb8aea5d858402ff542025-02-03T01:03:03ZengWileyJournal of Function Spaces and Applications0972-68021758-49652012-01-01201210.1155/2012/582726582726Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier SeriesUshangi Goginava0Károly Nagy1Institute of Mathematics, Faculty of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Street 1, 0128 Tbilisi, GeorgiaInstitute of Mathematics and Computer Sciences, College of Nyíregyháza, P.O. Box 166, Nyíregyháza 4400, HungaryThe main aim of this paper is to prove that the logarithmic means of quadratical partial sums of the double Walsh-Kaczmarz series does not improve the convergence in measure. In other words, we prove that for any Orlicz space, which is not a subspace of L log+ L(I2), the set of the functions the logarithmic means of quadratical partial sums of the double Walsh-Kaczmarz series of which converge in measure is of first Baire category.http://dx.doi.org/10.1155/2012/582726
spellingShingle Ushangi Goginava
Károly Nagy
Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series
Journal of Function Spaces and Applications
title Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series
title_full Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series
title_fullStr Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series
title_full_unstemmed Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series
title_short Convergence in Measure of Logarithmic Means of Quadratical Partial Sums of Double Walsh-Kaczmarz-Fourier Series
title_sort convergence in measure of logarithmic means of quadratical partial sums of double walsh kaczmarz fourier series
url http://dx.doi.org/10.1155/2012/582726
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