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WEAK TYPE INEQUALITY FOR THE MAXIMAL OPERATOR OF WALSH-KACZMARZ-MARCINKIEWICZ MEANS 被引量:1
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作者 Ushangi GOGINAVA Karoly NAGY 《Acta Mathematica Scientia》 SCIE CSCD 2016年第2期359-370,共12页
The main aim of this article is to prove that the maximal operator σ^k* of the Marcinkiewicz-Fejer means of the two-dimensional Fourier series with respect to Walsh- Kaczmarz system is bounded from the Hardy space H... The main aim of this article is to prove that the maximal operator σ^k* of the Marcinkiewicz-Fejer means of the two-dimensional Fourier series with respect to Walsh- Kaczmarz system is bounded from the Hardy space H2/3 to the space weak-L2/3. 展开更多
关键词 walsh-kaczmarz system Marcinkiewicz-Fej^r means Maximal operator a.e.convergence weak type inequality
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APPROXIMATION BY WALSH-KACZMARZ-FEJR MEANS ON THE HARDY SPACE 被引量:1
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作者 George TEPHNADZE 《Acta Mathematica Scientia》 SCIE CSCD 2014年第5期1593-1602,共10页
The main aim of this paper is to find necessary and sufficient conditions for the convergence of Walsh-Kaczmarz-Fej′er means in the terms of the modulus of continuity on the Hardy spaces Hp, when 0〈p≤1/2.
关键词 walsh-kaczmarz system Fej6r means martingale Hardy space modulus ofcontinuity
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ON TERM BY TERM DYADIC DIFFERENTIABILITY OF WALSH-KACZMARZ SERIES 被引量:2
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作者 Gyorgy Gdt(College of Nyiregyhaza, Hungary) 《Analysis in Theory and Applications》 2003年第1期55-75,共21页
The aim of this paper is to prove the following theorem concerning the term by term differentiation the-orem of Walsh-Kaczmarz series. Let (ck) be a decreasing real sequence withare integrable functions and f(x) is a.... The aim of this paper is to prove the following theorem concerning the term by term differentiation the-orem of Walsh-Kaczmarz series. Let (ck) be a decreasing real sequence withare integrable functions and f(x) is a. e. dyadic (or Butzer and Wagner) differentiate withThe function Kk means the kth Walsh-Kaczmarz function. 展开更多
关键词 dyadic (Butzer and Wagner) differentiability walsh-kaczmarz series monotone coefficients Fejer kernels
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