English
Related papers

Related papers: On $\Lambda^{r}$-strong convergence of numerical s…

200 papers

The paper introduces a new concept of $\Lambda $-variation of multivariable functions and investigates its connection with the convergence of multidimensional Fourier series

Analysis of PDEs · Mathematics 2012-10-09 Ushangi Goginava , Artur Sahakian

We show the results in the class GM(5b) corresponding to the theorem of L. Leindler [A note on strong approximation of Fourier series, Analysis Mathematica, 29(2003), 195--199] on strong approximation by matrix means of Fourier series…

Classical Analysis and ODEs · Mathematics 2016-08-14 Włodzimierz Łenski , Bogdan Szal

The convergence of double Fourier series of functions of bounded partial $\Lambda$-variation is investigated. The sufficient and necessary conditions on the sequence $\Lambda=\{\lambda_n\}$ are found for the convergence of Fourier series of…

Analysis of PDEs · Mathematics 2012-10-17 Ushangi Goginava , Artur Sahakian

In this article, we study about the $\lambda$-statistical convergence with respect to the density of moduli and find some results related to statistical convergence as well. Also we introduce the concept of $f_\lambda$-summable sequence and…

Functional Analysis · Mathematics 2016-03-31 Stuti Borgohain , Ekrem Savas

The convergence of multiple Fourier series of functions of bounded partial $% \Lambda$-variation is investigated. The sufficient and necessary conditions on the sequence $\Lambda=\{\lambda_n\}$ are found for the convergence of multiple…

Analysis of PDEs · Mathematics 2012-10-17 Ushangi Goginava , Artur Sahakian

In this paper we derive a new strong convergence theorem of Riesz logarithmic means of the one-dimensional Vilenkin-Fourier (Walsh-Fourier) series. The corresponding inequality is pointed out and it is also proved that the inequality is in…

Classical Analysis and ODEs · Mathematics 2020-02-13 D. Lukkassen , L. E. Persson , G. Tephnadze , G. Tutberidze

In this paper, we introduce some new $I_\lambda$-lacunary statistically convergent sequence spaces of order $\alpha$ defined by a Musielak-Orlicz function. We study some relations between $I_\lambda$-lacunary statistically convergence with…

Functional Analysis · Mathematics 2016-03-23 Adem Kılıçman , Stuti Borgohain

In the present paper, we give a brief review of $L^{1}$-convergence of trigonometric series. Previous known results in this direction are improved and generalized by establishing a new condition.

Classical Analysis and ODEs · Mathematics 2007-05-23 Rui-Jun Le , Song-Ping Zhou

In this paper we investigate strong summability of the two-dimensional Walsh-Fourier series obtained in Weisz \cite{We} (see Theorem W) and prove sharpness of this result.

Classical Analysis and ODEs · Mathematics 2020-02-11 George Tephnadze

The present study provides another look on Lamperti's theorem on recurrence or transience of stochastic sequences. We establish connection between Lamperti's theorem and the recent result by the author [V. M. Abramov, Theor. Probab. Math.…

Probability · Mathematics 2026-05-26 Vyacheslav M. Abramov

We study the classes of filters F on N such that the weak and strong F-convergence of sequences in l1 coincide. We study also an analogue of l1 weak sequential completeness theorem for filter convergence.

Functional Analysis · Mathematics 2009-03-05 Antonio Avilés , Bernardo Cascales , Vladimir Kadets , Alexander Leonov

In this paper we study some basic properties of strong {\lambda}- statistical convergence of sequences in probabilistic metric (PM) spaces. We also introduce and study the notion of strong {\lambda}-statistically Cauchyness. Further…

Functional Analysis · Mathematics 2020-07-21 Prasanta Malik , Samiran Das

We study the Marcinkiewicz-Zygmund strong law of large numbers for the cubic partial sums of the discrete Fourier transform of random fields. We establish Marcinkiewicz-Zygmund types rate of convergence for the discrete Fourier transform of…

Probability · Mathematics 2024-01-23 Vishakha

This article establishes a real-variable argument for Zygmund's theorem on almost everywhere convergence of strong arithmetic means of partial sums of Fourier series on $\mathbb{T}$, up to passing to a subsequence. Our approach extends to,…

Classical Analysis and ODEs · Mathematics 2013-04-15 Bobby Wilson

Convergent sequences of real numbers play a fundamental role in many different problems in system theory, e.g., in Lyapunov stability analysis, as well as in optimization theory and computational game theory. In this survey, we provide an…

Optimization and Control · Mathematics 2021-11-23 Barbara Franci , Sergio Grammatico

We study some new strongly almost lacunary statistical $A$-convergent sequence space of order $\alpha$ defined by a Musielak-Orlicz function. We also give some inclusion relations between the newly introduced class of sequences with the…

Functional Analysis · Mathematics 2015-08-07 Ekrem Savas , Stuti Borgohain

Inspired by a recent preprint of N. Curien, we provided what may be a new and elementary proof of the Law of Large Numbers.

Probability · Mathematics 2022-04-29 Patrick J. Fitzsimmons

In this paper we consider a transformation $L_a$ of sequences of complex numbers. We find the inverse transformation of $L_a$ as well as the inverse of a related transformation $\tilde{L}_a$. We explore a connection to the binomial…

Combinatorics · Mathematics 2015-12-29 Ilia D. Mishev

We give an exposition of an iteration theorem for iterating $(<\lambda)$-closed stationary $\lambda^+$-cc forcing with supports of size $<\lambda$ and preserving these two properties. We discuss the relation of this theorem with other…

Logic · Mathematics 2026-04-14 Mirna Džamonja

In this paper we discuss and prove some new strong convergence theorems for partial sums and Fej\'er means with respect to the Vilenkin system.

Classical Analysis and ODEs · Mathematics 2021-07-05 L-E. Persson , G. Tephnadze , G. Tutberidze
‹ Prev 1 2 3 10 Next ›