7 citations · 17 across the 21 of their papers we have counts for
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Uniform Intersection Numbers and Subgroup-Based Generating Graphs of Groups
Projesh Nath Choudhury, Biswaranjan Khanra
The uniform intersection number of a finite group , denoted by , is the smallest positive integer such that the intersection of any distinct maximal subgroups of…
SNT-Rank: Kronecker Products and Euclidean Distance Matrices
Bharat Pratap Chauhan, Projesh Nath Choudhury
Symmetric nonnegative matrix trifactorizations (SN-Trifactorizations) were introduced by Bukovšek-Šmigoc [Linear Algebra Appl. 2023] as a symmetric analogue of nonnegative matrix f…
Linear preserver problems in matrix positivity theory
Projesh Nath Choudhury, Shivangi Yadav
Linear preserver problems have been a central focus of research in matrix theory and operator theory for more than a century, beginning with Frobenius' 1897 characterization of det…
Semigroup automorphisms of total positivity
Projesh Nath Choudhury, Shaun Fallat, Chi-Kwong Li
Totally positive (TP) and totally nonnegative (TN) matrices connect to analysis, mechanics, and to dual canonical bases in reductive groups, by well-known works of Schoenberg, Gant…