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Projesh Nath Choudhury
Observed names:
Choudhury, Projesh Nath,
Projesh Choudhury
Institution:
Indian Institute of Technology Gandhinagar
Observed institutions:
University of Wyoming,
Indian Institute of Technology Madras,
Indian Institute of Technology Gandhinagar,
Indian Institute of Science Bangalore
ORCID:
0000-0001-8557-9303
Observed ORCID:
0000-0001-8557-9303
OpenAlex ID:
A5060997209
New Contributions to Semipositive and Minimally Semipositive Matrices
2018
·
Projesh Choudhury
, Rajesh Kannan
, et al.
·
Electronic Journal of Linear Algebra
·
11
A note on linear preservers of semipositive and minimally semipositive matrices
2018
·
Projesh Choudhury
, Rajesh Kannan
, et al.
·
Electronic Journal of Linear Algebra
·
11
Characterizing total positivity: Single vector tests via linear complementarity, sign non‐reversal and variation diminution
2022
·
Projesh Nath Choudhury
·
Bulletin of the London Mathematical Society
·
9
PDF
Sign non‐reversal property for totally non‐negative and totally positive matrices, and testing total positivity of their interval hull
2021
·
Projesh Nath Choudhury
, M. Rajesh Kannan
, et al.
·
Bulletin of the London Mathematical Society
·
7
PDF
Distance matrices of a tree: Two more invariants, and in a unified framework
2023
·
Projesh Nath Choudhury
, Apoorva Khare
·
European Journal of Combinatorics
·
6
PDF
Sign regular matrices and variation diminution: Single-vector tests and characterizations, following Schoenberg, Gantmacher–Krein, and Motzkin
2024
·
Projesh Choudhury
, Shivangi Yadav
·
Proceedings of the American Mathematical Society
·
5
PDF
Quadratic embedding constants of graphs: Bounds and distance spectra
2023
·
Projesh Nath Choudhury
, Raju Nandi
·
Linear Algebra and its Applications
·
5
PDF
Total negativity: Characterizations and single-vector tests
2023
·
Projesh Nath Choudhury
·
Bulletin des Sciences Mathématiques
·
4
PDF
Interval hulls of N-matrices and almost P-matrices
2021
·
Projesh Nath Choudhury
, M. Rajesh Kannan
·
Linear Algebra and its Applications
·
3
PDF
An extension of a matrix inequality of Thompson
2017
·
Projesh Nath Choudhury
, K.C. Sivakumar
·
Linear Algebra and its Applications
·
3
PDF
Tucker's theorem for almost skew-symmetric matrices and a proof of Farkas' lemma
2015
·
Projesh Nath Choudhury
, K.C. Sivakumar
·
Linear Algebra and its Applications
·
2
PDF
Sign regularity preserving linear operators
2025
·
Projesh Nath Choudhury
, Shivangi Yadav
·
Bulletin of the London Mathematical Society
·
1
PDF
Constructing strictly sign regular matrices of all sizes and sign patterns
2025
·
Projesh Nath Choudhury
, Shivangi Yadav
·
Bulletin of the London Mathematical Society
·
1
PDF
The blowup-polynomial of a metric space: connections to stable polynomials, graphs and their distance spectra
2023
·
Projesh Nath Choudhury
, Apoorva Khare
·
Canadian Journal of Mathematics
·
1
PDF
Nesbitt and Shapiro cyclic sum inequalities for positive definite matrices
2021
·
Projesh Nath Choudhury
, K. C. Sivakumar
·
Advances in Operator Theory
·
1
Characterizing total negativity and testing their interval hulls.
2021
·
Projesh Nath Choudhury
·
arXiv (Cornell University)
·
1
Algorithmic detection and construction of N-matrices
2020
·
Projesh Nath Choudhury
, Michael J. Tsatsomeros
·
Linear Algebra and its Applications
·
1
Matrices with positive semidefinite real part
2019
·
Projesh Nath Choudhury
, K. C. Sivakumar
·
Linear and Multilinear Algebra
·
1
Trace inequalities for positive semidefinite matrices
2017
·
Projesh Nath Choudhury
, K.C. Sivakumar
·
Discussiones Mathematicae - General Algebra and Applications
·
1
Uniform Intersection Numbers and Subgroup-Based Generating Graphs of Groups
2026
·
Choudhury, Projesh Nath
, Khanra, Biswaranjan
·
arXiv (Cornell University)
PDF
SNT-Rank: Kronecker Products and Euclidean Distance Matrices
2026
·
Chauhan, Bharat Pratap
, Choudhury, Projesh Nath
·
arXiv (Cornell University)
PDF
Linear preserver problems in matrix positivity theory
2026
·
Projesh Nath Choudhury
, Shivangi Yadav
·
Acta Scientiarum Mathematicarum
Entrywise preservers of sign regularity
2026
·
Projesh Choudhury
, Shivangi Yadav
·
Transactions of the American Mathematical Society
PDF
Linear preserver problems in matrix positivity theory
2026
·
Choudhury, Projesh Nath
, Yadav, Shivangi
·
arXiv (Cornell University)
Linear preserver problems in matrix positivity theory
2026
·
Choudhury, Projesh Nath
, Yadav, Shivangi
·
arXiv (Cornell University)
PDF
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Works count:
42
Citation count:
74
H-index:
5
I10-index:
2
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