Fuzzy topology on fuzzy sets: Product fuzzy topology and fuzzy topological groups. - Pratulananda Das (Fuzzy Sets Syst., 1998)

On statistical limit points of double sequences. - Pratulananda Das; Prasanta Malik; Ekrem Savas (Appl. Math. Comput., 2009)

Fuzzy compactness via summability. - Hüseyin Çakalli; Pratulananda Das (Appl. Math. Lett., 2009)

Some further results on I-Cauchy sequences and condition (AP). - Pratulananda Das; Sanjoy Kr. Ghosal (Comput. Math. Appl., 2010)

Some further remarks on ideal summability in 2-normed spaces. - Pratulananda Das; Sudip Kumar Pal; Sanjoy Kr. Ghosal (Appl. Math. Lett., 2011)

On generalizations of certain summability methods using ideals. - Pratulananda Das; Ekrem Savas; Sanjoy Kr. Ghosal (Appl. Math. Lett., 2011)

A generalized statistical convergence via ideals. - Ekrem Savas; Pratulananda Das (Appl. Math. Lett., 2011)

A note on strong matrix summability via ideals. - Ekrem Savas; Pratulananda Das; Sudipta Dutta (Appl. Math. Lett., 2012)

On the structure of Borel ideals in-between the ideals ED and Fin ⊗ Fin in the Katětov order. - Pratulananda Das; Rafal Filipów; Szymon Glab; Jacek Tryba (Ann. Pure Appl. Log., 2021)

Ideals, Nonnegative Summability Matrices and Corresponding Convergence Notions: A Short Survey of Recent Advancements. - Pratulananda Das (Axioms, 2022)

Existence of an uncountable tower of Borel subgroups between the Prüfer group and the s-characterized group. - Pratulananda Das; Kumardipta Bose (Period. Math. Hung., 2022)

Eggleston's dichotomy for characterized subgroups and the role of ideals. - Pratulananda Das; Ayan Ghosh (Ann. Pure Appl. Log., 2023)