Publications

Journal Articles:

1. Shaun Fallat, Samir Mondal, Hristo Sendov, “Determinant Bounds for ((n-1))-Locally Positive Semidefinite Matrices,” SIAM Journal on Matrix Analysis and Applications (SIMAX), to appear, 2026. [arXiv].

2. Shaun Fallat, Samir Mondal, Linear Preservers of Real Matrix Classes Admitting a Real Logarithm, Proceedings of the American Mathematical Society, 154 (2026), 4127–4140. [arXiv].

3. Samir Mondal K.C. Sivakumar and M.J. Tsatsomeros, $P$-matrix Powers, Linear Algebra and its Applications, 699 (2024), 355–366. [DOI]

4. A.M. Encinas, S. Mondal, and K.C. Sivakumar, On an Analogue of a Property of Singular M-matrices, for the Lyapunov and the Stein Operators, Linear and Multilinear Algebra, 73 (2025), 1–16. [arXiv]

5. Samir Mondal,  K.C. Sivakumar, and M.J. Tsatsomeros, The Cayley Transform of Prevalent Matrix Classes, Linear Algebra and its Applications, 681:1–20, 2024. [DOI]

6.  Samir Mondal, K.C. Sivakumar, and M.J. Tsatsomeros, New Results on M-matrices, H-matrices, and their Inverse  Classes,  Electronic Journal of Linear Algebra, 38:729–744, 2022. DOI

In Conference Proceedings and Book Abstract:

7. Samir Mondal and K.C. Sivakumar, A short survey of Z-matrices and new results on the subclass of F_0-matrices, Industrial and Applied Mathematics: International Conference on Analysis, Inverse Problems and Applications 2022, Proceedings, Springer, 2025.

8.  A.M. Encinas, M.J. Jimenez, Samir Mondal, On the spectrum of bisymmetric Jacobi matrices with periodic coefficients; MME and HB 2024: 26th Mathematical Modelling in Engineering \& Human Behaviour: Valencia, Spain, July 10-12, 2024, in Springer Proceedings in Mathematics and Statistics, 2025.

Communicated Journal Articles:

• Shaun Fallat, Samir Mondal, Linear Preservers of Infinitely Divisible Matrices, 2026. [arXiv].

• Charles R. Johnson, Samir Mondal, Michael J. Tsatsomeros, Powers, Roots, and Positivity, 2026 [arXiv].

• Shaun Fallat, Samir Mondal, Hristo Sendov, Variations on Majorization of Vectors and Connections to Determinantal Inequalities, 2026. [arXiv].

• Projesh Nath Choudhury, Samir Mondal, The Cayley Transform: Principal Pivot Transforms and Structured Matrix Classes, 2026.

In progress:

• (With K. C. Sivakumar and M. J. Tsatsomeros) Provisional title: Strongly Infinitely Divisible Matrices.

• (With S. Kirkland) Provisional title: Linear Maps Preserving Matrices of Fixed Index.