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Some Tauberian theorems for four-dimensional Euler and Borel summability
The four-dimensional summability methods of Euler and Borel are studied as mappings from absolutely convergent double sequences into themselves. Also some Tauberian results are proved.
Multipliers for bounded convergent double sequences
In this paper, we investigate multipliers for bounded convergence of double sequences and study some properties and relations between l2 ∞, c2(b) and c20(b).
On lacunary statistical convergence of double sequences and some properties in fuzzy normed spaces
(Journal of Intelligent Fuzzy Systems, 2019)
In this study, we have investigated the concepts of lacunary summable, lacunary statistical convergence and lacunary statistically Cauchy sequence for double sequences in fuzzy normed spaces. Also, we have investigated ...
On some classes of four dimensional regular matrices
In 1981, Rath and Tripathy presented some classes of regular matrices such that every bounded sequence is limitable by some member of each class of ordinary conservative matrices using ordinary sequences. The goal of ...