Publications

Accepted / Published

Underlined names indicate B.Tech / M.Sc. students.

  1. Aniruddha Samanta and M. Rajesh Kannan, Bounds and extremal graphs for the energy of complex unit gain graphs , Linear Algebra and its Applications, 721 (2025), 844-866.
  2. Amrita Mandal , Bibhas Adhikari and M. Rajesh Kannan, On the eigenvalue region of permutative doubly stochastic matrices of order up to 4 , Bull. Iranian Math. Soc., 51 (2025), no. 1, Paper No. 4.
  3. M. Rajesh Kannan, Shivaramakrishna Pragada and Hitesh Wankhede , Constructing cospectral graphs by unfolding non-bipartite graphs , Discrete Applied Mathematics, 357 (2024), 264-273.
  4. Iswar Mahato and M. Rajesh Kannan, Minimizers for the energy of eccentricity matrices of trees , Linear Multilinear Algebra, 73 (2025), no. 1, 49-66.
  5. Iswar Mahato and M. Rajesh Kannan, A note on the distance and distance signless Laplacian spectral radius of complements of trees , Linear Algebra and its Applications, 675 (2023), 344-350.
  6. Iswar Mahato and M. Rajesh Kannan, Extremal problems for the eccentricity matrices of complements of trees , Electronic Journal of Linear Algebra, 39 (2023), 339-354.
  7. Aniruddha Samanta and M. Rajesh Kannan, On the spectrum of complex unit gain graph , Journal of the Ramanujan Mathematical Society, 39, No. 2 (2024), 131-142.
  8. Iswar Mahato and M. Rajesh Kannan, Squared distance matrices of trees with matrix weights , AKCE International Journal of Graphs and Combinatorics , 20 (2023), no. 2, 177-184.
  9. M. Rajesh Kannan and Shivaramakrishna Pragada , Signed spectral Turan type theorems , Linear Algebra and its Applications, 663 (2023), 62-79.
  10. Iswar Mahato and M. Rajesh Kannan, On the eccentricity matrices of trees: Inertia and spectral symmetry , Discrete Mathematics, 345 (2022), Issue 11, 113067.
  11. M. Rajesh Kannan, Shivaramakrishna Pragada and Hitesh Wankhede , On the construction of cospectral nonisomorphic bipartite graphs , Discrete Mathematics, 345 (2022), Issue 8, 112916.
  12. M. Rajesh Kannan, Navish Kumar and Shivaramakrishna Pragada , Normalized Laplacians for Gain Graphs , American Journal of Combinatorics, 1 (2022), 20-39.
  13. Iswar Mahato and M. Rajesh Kannan, Eccentricity energy change of complete multipartite graphs due to edge deletion , Special Matrices, 10 (2022), 193-202.
  14. Iswar Mahato , R. Gurusamy , M. Rajesh Kannan and S. Arockiaraj , On the spectral radius and the energy of eccentricity matrix of a graph , Linear and Multilinear Algebra, 71 (2023), 5-15.
  15. Aniruddha Samanta and M. Rajesh Kannan, Gain distance matrices for complex unit gain graphs , Discrete Mathematics, 345 (2022), no. 1, Paper No. 112634, 12 pp.
  16. Mainak Basunia , Iswar Mahato and M. Rajesh Kannan, On the A-alpha spectra of some join graphs , Bulletin of the Malaysian Mathematical Sciences Society , 44 (2021), 4269-4297.
  17. M. Rajesh Kannan, Navish Kumar and Shivaramakrishna Pragada , Bounds for the extremal eigenvalues of gain Laplacian matrices , Linear Algebra and its Applications, 625 (2021), 212-240.
  18. Projesh Nath Choudhury , M. Rajesh Kannan and Apoorva Khare , Sign non-reversal property for totally positive matrices and testing total positivity on their interval hull , Bulletin of the London Mathematical Society , 53 (2021), no. 4, 981-990.
  19. Projesh Nath Choudhury and M. Rajesh Kannan, Interval hulls of N-matrices and almost P-matrices , Linear Algebra and its Applications, 617 (2021), 27-38.
  20. Aniruddha Samanta and M. Rajesh Kannan, Bounds for the energy of a complex unit gain graph , Linear Algebra and its Applications, 612 (2021), 1-29.
  21. Himadri Lal Das and M. Rajesh Kannan, On dense subsets of matrices with distinct eigenvalues and distinct singular values , Electronic Journal of Linear Algebra, 36 (2020), 834-846.
  22. M. Rajesh Kannan and Shivaramakrishna Pragada , On the construction of cospectral graphs for the adjacency and the normalized Laplacian matrices , Accepted for publication in Linear and Multilinear Algebra.
  23. Iswar Mahato , R. Gurusamy , M. Rajesh Kannan and S. Arockiaraj , Spectra of eccentricity matrices of graphs , Discrete Applied Mathematics, 285 (2020), 252-260.
  24. Ranjit Mehatari , M. Rajesh Kannan and Aniruddha Samanta , On the adjacency matrix of a complex unit gain graph , Linear and Multilinear Algebra, 70 (2022), no. 9, 1798-1813.
  25. Ranjit Mehatari and M. Rajesh Kannan, Eigenvalue bounds for some classes of matrices associated with graphs , Czechoslovak Mathematical Journal, 71 (2021), no. 1, 231-251.
  26. Fouzul Atik , M. Rajesh Kannan and R.B. Bapat , On distance and Laplacian matrices of trees with matrix weights , Linear and Multilinear Algebra, 69 (2021), no. 14, 2607-2619.
  27. Fouzul Atik , R.B. Bapat and M. Rajesh Kannan, Resistance matrices of graphs with matrix weights , Linear Algebra and its Applications, 571 (2019), 41-57.
  28. Projesh Nath Choudhury , M. Rajesh Kannan and K.C. Sivakumar , A note on linear preservers on semipositive and minimal semipositive matrices , Electronic Journal of Linear Algebra, 34 (2018), 687-694.
  29. Projesh Nath Choudhury , M. Rajesh Kannan and K.C. Sivakumar , New contributions to semipositive and minimally semipositive matrices , Electronic Journal of Linear Algebra, 34 (2018), 35-53.
  30. M. Rajesh Kannan, P-proper splittings , Aequationes Mathematicae, 91 (2017), no. 4, 619-633.
  31. Hongwei Jin , M. Rajesh Kannan and Minru Bai , Lower and upper bounds for H-eigenvalues of even order real symmetric tensors , Linear and Multilinear Algebra, 65 (2017), no. 7, 1402-1416.
  32. M. Rajesh Kannan and K.C. Sivakumar , On Certain Positivity Classes of Operators , Numerical Functional Analysis and Optimization , 37 (2016), no. 2, 206-224.
  33. M. Rajesh Kannan, Naomi Shaked-Monderer and Abraham Berman , On weakly irreducible nonnegative tensors and interval hull of some classes of tensors , Linear and Multilinear Algebra, 63 (2016), no. 4, 667-679.
  34. M. Rajesh Kannan, Naomi Shaked-Monderer and Abraham Berman , Some properties of strong H-tensors and general H-tensors , Linear Algebra and its Applications, 476 (2015), 42-55.
  35. Naomi Shaked-Monderer , Abraham Berman , Mirjam Dur and M. Rajesh Kannan, SPN completable graphs , Linear Algebra and its Applications, 498 (2016), 58-73.
  36. M. Rajesh Kannan and R.B. Bapat , Generalized Principal Pivot Transform , Linear Algebra and its Applications, 454 (2014), 49-56.
  37. M. Rajesh Kannan and K.C. Sivakumar , Intervals of Certain Classes of Z-matrices , Discussiones Mathematicae - General Algebra and Applications , 34 (2014), no. 1, 85-93.
  38. M. Rajesh Kannan and K.C. Sivakumar , P+-matrices: A generalization of P-matrices , Linear and Multilinear Algebra, 62 (2014), no. 1, 1-12.
  39. M. Rajesh Kannan and K.C. Sivakumar , Moore-Penrose inverse positivity of interval matrices , Linear Algebra and its Applications, 436 (2012), no. 3, 571-578.

Preprints / Submitted

  1. Sebastian M. Cioaba , Abhay Jayarajan , M. Rajesh Kannan, Rahul Roy , Maximizing the algebraic connectivity of graphs of given order and size: a proof of a conjecture of Kolokolnikov , preprint, submitted.
  2. Abhay Jayarajan , M. Rajesh Kannan, Priti Prasanna Mondal , Shivaramakrishna Pragada , Spectral Radius, Vertex Deletion, and Chromatic Number of Signed Graphs , preprint, submitted.
  3. M. Rajesh Kannan, Hitesh Kumar and Shivaramakrishna Pragada , Localized Turan-type inequalities for Q-index , preprint, submitted.
  4. M. Rajesh Kannan and Rahul Roy , Structural and extremal properties of l1-Fiedler value , preprint, submitted.
  5. M. Rajesh Kannan, Hitesh Kumar and Shivaramakrishna Pragada , Localization of spectral Turan-type theorems , preprint, submitted.
  6. Priti Prasanna Mondal , M. Rajesh Kannan and Fouzul Atik , When Are Standard Graph Products Isomorphic? , preprint, submitted.
  7. M. Rajesh Kannan and Rahul Roy , On the l-infinity analog of Algebraic Connectivity , preprint, submitted.
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