Results 11 to 20 of about 664,619 (98)

On Absolute q-Cesàro Summability Methods for Double Sequences

open access: yesMathematics
In the present paper, a novel absolute summability method, denoted by |Cq,θ|s, is introduced for double sequences via the q-Cesàro matrix. The study also focuses on determining the necessary and sufficient conditions for various inclusion relations, as ...
Fadime Gökçe
doaj   +2 more sources

An Extension of a Theorem on Cesàro Summability

open access: yes, 2021
© 2021 Taylor & Francis Group, LLC.This paper presents a general theorem dealing with absolute Cesàro summability of the series (Formula presented.) under weaker ...
KARTAL, BAĞDAGÜL, Bağdagül Kartal
core   +1 more source

Spectral properties of substitutions on compact alphabets

open access: yesBulletin of the London Mathematical Society, Volume 55, Issue 5, Page 2425-2445, October 2023., 2023
Abstract We consider substitutions on compact alphabets and provide sufficient conditions for the diffraction to be pure point, absolutely continuous and singular continuous. This allows one to construct examples for which the Koopman operator on the associated function space has specific spectral components.
Neil Mañibo, Dan Rust, James J. Walton
wiley   +1 more source

Convergence of first‐order finite volume method based on exact Riemann solver for the complete compressible Euler equations

open access: yesNumerical Methods for Partial Differential Equations, Volume 39, Issue 5, Page 3777-3810, September 2023., 2023
Abstract Recently developed concept of dissipative measure‐valued solution for compressible flows is a suitable tool to describe oscillations and singularities possibly developed in solutions of multidimensional Euler equations. In this paper we study the convergence of the first‐order finite volume method based on the exact Riemann solver for the ...
Mária Lukáčová‐Medvid'ová   +1 more
wiley   +1 more source

I-Cesàro summability of sequences of sets [PDF]

open access: yes, 2017
In this paper, we defined concept of Wijsman I-Cesàro summability for sequences of sets and investigate the relationships between the concepts of Wijsman strongly I-Cesàro summability, Wijsman strongly I-lacunary summability, Wijsman p-strongly I-Cesàro ...
Kişi, Ömer, Ulusu, Uğur
core   +3 more sources

I_2-Cesàro summability of double sequences of sets [PDF]

open access: yes, 2020
In this paper, we defined concept of Wijsman I_2-Cesàro summability and investigate the relationships between the concepts of Wijsman strongly I_2-Cesàro summability, Wijsman strongly I_2-lacunary convergence, Wijsman p-strongly I_2-Cesàro summability and
Gülle, Esra   +2 more
core   +1 more source

A note on generalized absolute Cesàro summability [PDF]

open access: yes, 2020
In the present paper , we give several improvements to the result of [2] concerning absolute Cesàro summablity of infinite ...
J South Asian, Math, Cesàro Summability
core  

Converse Theorems for the Cesàro Summability of Improper Integrals [PDF]

open access: yes, 2020
In thispaper we prove converse theorems to obtain usual convergence of improperintegrals from Cesàro ...
Sefa Anıl SEZER, Rahmet SAVAŞ
core   +2 more sources

I-Cesàro summability of sequences of sets [PDF]

open access: yes, 2015
In this paper, we defined concept of Wijsman I-Cesàro summability for sequences of sets and investigate the relationship between the concepts of Wijsman strongly I-Cesàro summability, Wijsman strongly I-lacunary summability, Wijsman p-strongly I-Cesàro ...
Kişi, Ömer, Ulusu, Uğur
core   +1 more source

Completeness of a Normed Space via Strong p-Cesàro Summability [PDF]

open access: yes, 2019
In this paper we will characterize the completeness and barrelledness of a normed space through the strong p-Cesàro summability of series. A new characterization of weakly unconditionally Cauchy series and unconditionally convergent series through the ...
Moreno-Pulido, S.   +8 more
core   +1 more source

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