 (With Apoorva Khare.) The blowuppolynomial of a metric space: connections to stable polynomials, graphs and their distance spectra
Canadian Journal of Mathematics, in press. [arXiv]
 (With Apoorva Khare.) Distance matrices of a tree: two more invariants, and in a unified
framework
European Journal of Combinatorics 115, Article #103787 (30 pp.), 2024. [arXiv]
 (With Raju Nandi.) Quadratic embedding constants of graphs: Bounds and distance spectra
Linear Algebra and its Applications 680, pages 108125, 2024. [arXiv]
 Total negativity: characterizations and singlevector tests
Bulletin des Sciences Mathématiques 186, Article #103284 (21 pp.), 2023. [arXiv]
 (With Apoorva Khare.) Blowup polynomials and deltamatroids of graphs
Séminaire Lotharingien de Combinatoire 86B, Article #42, 2022. [arXiv]
 Characterizing total positivity: single vector tests via Linear Complementarity, sign nonreversal, and variation diminution
Bulletin of the London Mathematical Society 54, pages 891911, 2022. [arXiv]
 (With K.C. Sivakumar.) Nesbitt and Shapiro Cyclic Sum Inequalities for Positive Definite Matrices
Advances in Operator Theory 7, article 7 (11 pp.), 2022. [arXiv]
 (With M. Rajesh Kannan and Apoorva Khare.) Sign nonreversal property for totally nonnegative and totally positive matrices, and testing total positivity of their interval
Bulletin of the London Mathematical Society 53, pages 981990, 2021. [arXiv]
 (With M. Rajesh Kannan.) Interval hulls of Nmatrices and almost Pmatrices
Linear Algebra and its Applications 617, pages 2738, 2021. [arXiv]
 (With K.C. Sivakumar.) Matrices with positive semidefinite real
Linear and Multilinear Algebra 69, pages 448470, 2021.
 (With N. Eagambaram, K.C. Sivakumar and P. Sushmitha.) On the matrix class Q_{0} and inverse monotonicity properties of bordered matrices
Linear Algebra and its Applications 612, pages 206222, 2021.
 (With Michael J. Tsatsomeros.) Algorithmic Detection and Construction of Nmatrices
Linear Algebra and its Applications 602, pages 4656, 2020. [arXiv]
 (With M. Rajesh Kannan and K.C. Sivakumar.) A note on linear preservers on semipositive and minimal semipositive matrices
Electronic Journal of Linear Algebra 34, pages 687694, 2018. [arXiv]
 (With M. Rajesh Kannan and K.C. Sivakumar.) New contributions to semipositive and minimally semipositive matrices
Electronic Journal of Linear Algebra 34, pages 3553, 2018.
 (With K.C. Sivakumar.) An extension of a matrix inequality of Thompson
Linear Algebra and its Applications 535, pages 151159, 2017.
 (With K.C. Sivakumar.) Trace inequalities for positive semidefinite matrices
Discussiones Mathematicae  General Algebra and Applications 37, pages 93104, 2017.
 (With K.C. Sivakumar.) Tucker's theorem for almost skewsymmetric matrices and a proof of Farkas' lemma
Linear Algebra and its Applications 482, pages 5569, 2015.
 (With Ar. Meenakshi and K.C. Sivakumar.) Almost definite matrices revisited
Electronic Journal of Linear Algebra 29, pages 102119, 2015.
 (With Apoorva Khare.) The additivemultiplicative distance matrix of a graph, and a novel third invariant, preprint, 2023. [arXiv]
 (With Shivangi Yadav.) Sign regularity: Refinement of Gantmacher–Krein–Motzkin results on variation diminution and the linear preserver problem, preprint, 2023. [arXiv]
 (With Apoorva Khare.) Multivariate blowuppolynomials of graphs, preprint, 2021. [arXiv]
