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 ...

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 ...

Bipan Hazarika ᵃ, Vijay Kumar ᵇ, Bernardo Lafuerza-Guillén ᶜ, Generalized ideal convergence in intuitionistic fuzzy normed linear spaces, Filomat, Vol. 27, No. 5 (2013), pp. 811-820 ...