Axiomatization of inconsistency indicators for pairwise comparisons. - Waldemar W. Koczkodaj; Roman Urban (Int. J. Approx. Reason., 2018)

A Proof of Donsker's Invariance Principle Based on Support Functions of Fuzzy Random Vectors. - Jan Schneider 004; Roman Urban (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2018)

A Note on the Durda, Caron, and Buchanan Word Ambiguity Detection Algorithm. - Roman Urban; Hubert Anisimowicz (Fundam. Informaticae, 2019)

A Class of Conceptual Spaces Consisting of Boundaries of Infinite p-Ary Trees. - Roman Urban; Simona Mróz (J. Log. Lang. Inf., 2019)

Type-2 Fuzzy Sets and Newton's Fuzzy Potential in an Algorithm of Classification Objects of a Conceptual Space. - Adrianna Jagiello; Piotr Lisowski; Roman Urban (J. Log. Lang. Inf., 2022)

On Some Dynamics in Conceptual Spaces. - Piotr Lisowski; Roman Urban (J. Log. Lang. Inf., 2024)