Projesh Nath Choudhury
Department : Mathematics
Research Interests
● Total positivity
● Matrix inequality
● Algebraic and spectral aspects of distance matrices of graphs.
Professional Summary
Assistant Professor, Indian Institute of Technology Gandhinagar (Aug 2022 to Present)
CV Raman Postdoctoral Fellow, Indian institute of Science, Bengaluru (Mar 2022 – Aug 2022)
SERB National Postdoctoral Fellow,Indian institute of Science, Bengaluru (Apr 2020 – Feb 2022)
NBHM Postdoctoral Fellow, Indian institute of Science, Bengaluru (Jul 2018 – Mar 2020)
Institute Posdoctoral Fellow, Indian Institute of Technology Madras, Chennai (Jan 2018 – Jun 2018)
Publications
1. Projesh Nath Choudhury, Characterizing total positivity: single vector tests via Linear Complementarity, sign non-reversal, and variation diminution, Bulletin of the London Mathematical Society, 54 (2022), 791-811.
2. Projesh Nath Choudhury, M. Rajesh Kannan and Apoorva Khare, Sign non-reversal property for totally non- negative and totally positive matrices, and testing total positivity of their interval hull, Bulletin of the London Mathematical Society, 53 (2021), 981-990.
3. Projesh Nath Choudhury and Michael J. Tsatsomeros, Algorithmic Detection and Construction of N-matrices, Linear Algebra and its Applications, 602 (2020), 46-56.
4. Projesh Nath Choudhury and K.C. Sivakumar, An extension of a matrix inequality of Thompson, Linear Algebra and its Applications, 535 (2017), 151-159.