Double Sequence Spaces and Four-Dimensional Matrices provides readers with a clear introduction to the spaces of double sequences and series, as well as their p
Double Sequence Spaces and Four-Dimensional Matrices provides readers with a clear introduction to the spaces of double sequences and series, as well as their p
Summability Theory and Its Applications explains various aspects of summability and demonstrates its applications in a rigorous and coherent manner. The content
This volume presents current research in functional analysis and its applications to a variety of problems in mathematics and mathematical physics. The book con
This book exclusively deals with the study of almost convergence and statistical convergence of double sequences. The notion of “almost convergence” is perh