Double sequence spaces extend the classical notion of sequence spaces to encompass two-indexed structures, thereby providing a robust framework for the analysis of functions and operators in multi ...

Oktay Duman, A-STATISTICAL CONVERGENCE OF SEQUENCES OF CONVOLUTION OPERATORS, Taiwanese Journal of Mathematics, Vol. 12, No. 2 (April 2008), pp. 523-536 ...

This paper examines part of a set of students who were followed during their first-term, first-year studies in formal definition-based real analysis at a British university. It explores the approaches ...