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1
Content available remote On Wijsman I2-lacunary statistical convergence for double set sequences
EN
The aim of present work is to present some inclusion relations between the concepts of Wijsman I2-lacunary statistical convergence and Wijsman strongly I2-lacunary convergence for double sequences of sets. Also we study the concepts of Wijsman I2-lacunary statistical convergence, Wijsman I2- lacunary statistical convergence double sequences of sets and investigate the relationship among them.
EN
Mursaleen introduced the concepts of statistical convergence in random 2-normed spaces. Recently Mohiuddine and Aiyup defined the notion of lacunary statistical convergence and lacunary statistical Cauchy in random 2-normed spaces. In this paper, we define and study the notion of lacunary statistical convergence and lacunary of statistical Cauchy sequences in random on χ2 over p- metric spaces dfined by Musielak and prove some theorems which generalizes Mohiuddine and Aiyup results.
3
Content available remote The Schur and Steinhaus Theorems for 4-Dimensional Infinite Matrices
EN
This paper is a sequel to [2]. Throughout this paper, entries of double sequences, double series and 4-dimensional infinite matrices are real or complex numbers. We prove the Schur and Steinhaus theorems for 4-dimensional infinite matrices.
4
Content available remote Some generalized spaces of vector valued double sequences defined by a modulus
EN
In this paper we generalize the xf2 by introducing the sequence space xfmn2 (Δ(ηϒ)μ,p,q,r) and exhibit some general properties of the space.
5
Content available remote On asymmetric I and I∗-divergence
EN
In this paper we introduce and study the concepts of I-divergence and I∗-divergence of sequences as well as double sequences in an asymmetric metric spaces. We investigate the interrelationship between I-divergence and I∗-divergence and show that they are equivalent under some condition and prove some basic properties of these concepts.
6
Content available remote The Schur and Steinhaus Theorems for 4-Dimensional Matrices in Ultrametric Fields
EN
Throughout this paper, K denotes a ds-complete, non-trivially valued, ultrametric field. Entries of double sequences, double series and 4-dimensional matrices are in K. We prove the Schur and Steinhaus theorems for 4-dimensional matrices in such fields.
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