We are meeting on every Friday at 4pm. We are maintaing a google group for the participants. Please write to me at rajeshkannan1.m@gmail.com, if you interested in joining the group.
To be updated!
To be updated!
Date | Speaker | Title |
24/07/2020 | Fouzul Atik | On equitable partition of matrices and its applications Abstract Slides Video |
31/07/2020 | Sivaramakrishnan Sivasubramanian | Laplacian Immanantal polynomials of Trees Abstract Slides Video |
07/08/2020 | Gopinath Sahoo | Complex adjacency spectra of (multi)digraphs Abstract Slides Video |
14/08/2020 | Ranjit Mehatari | Eigenvalue bounds for some classes of matrices associated with graphs Abstract Slides Video |
21/08/2020 | Rajesh Kannan | Adjacency matrices of complex unit gain graphs Abstract Slides Video |
04/09/2020 | Sumit Mohanty | Distance Matrix of a Multi-block Graph: Determinant and Inverse Abstract Slides Video |
11/09/2020 | Kamal Lochan Patra | Characteristic center of a tree Abstract Slides Video |
18/09/2020 | Amitava Bhattacharya | Existence questions in discrete mathematics Abstract Slides Video |
25/09/2020 | Debajit Kalita | Inverses of non-bipartite unicyclic graphs Abstract Slides Video |
02/10/2020 | Sasmita Barik | Graphs with simply structured eigenvectors Abstract Slides Video |
09/10/2020 | A. Satyanarayana Reddy | Adjacency algebra of a graph Abstract Slides Video |
16/10/2020 | Praneeth Netrapalli | Matrix factorization: applications and algorithms Abstract Slides Video |
23/10/2020 | Indulal | Distance Equienergetic graphs Abstract Slides Video |
30/10/2020 | Anu Varghese | Distance Spectra and Energy of Graphs Abstract Slides Video |
06/11/2020 | Germina K. A. | Signed distance matrices in signed graphs Abstract Slides Video |
20/11/2020 | Apoorva Khare | The critical exponent of a graph Abstract Slides Video |
04/12/2020 | Madhusudan Manjunath | Poincar\'e Series of Divisors on Graphs Abstract Slides Video |
11/12/2020 | Jyoti Prakash Saha | Spectrum of Cayley sum graphs Abstract Slides Video |
25/12/2020 | Ranveer Singh | Expander Graphs and Ramanujan Graphs Abstract Slides Video |
08/01/2021 | Shivani Goel | Resistance distance in directed cactus graphs and all minors matrix tree theorem Abstract Slides Video |
15/01/2021 | Ravindra B Bapat | Convex and quasiconvex functions on trees Abstract Slides Video |
22/01/2021 | Aniruddha Samanta | On the multiplicity of Aα--eigenvalues for T-gain graphs Abstract Slides Video |
29/01/2021 | Iswar Mahato | On the eccentricity matrices of graphs Abstract Slides Video |
05/02/2021 | Joyentanuj Das | On the spectral radius of bi-block graphs with given independence number α Abstract Slides Video |
12/02/2021 | Hiranya kishore Dey | On the connectivity of enhanced power graphs of finite groups Abstract Slides Video |
19/02/2021 | Shubhabrata Das | Expanders: Constructions and Applications - I Abstract Slides Video |
26/02/2021 | Shubhabrata Das | Expanders: Constructions and Applications - II Abstract Slides Video |
12/03/2021 | Bilal A. Rather | On sum of first k largest Laplacian (signless) eigenvalues of graphs Abstract Slides Video |
02/04/2021 | Mukesh Kumar Nagar | Immanants and Extended GTS Operation on Bipartite Graphs Abstract Slides Video |
09/04/2021 | Ambat Vijayakumar | The Median Problem in Graphs Abstract Slides Video |
23/04/2021 | S. Venkitesh | On improved lower bounds for multicolor diagonal Ramsey numbers Abstract Slides Video |
30/04/2021 | Mushtaq Ahmad Bhat | Energy of signed graphs Abstract Slides Video |
14/05/2021 | Santanu Mandal | Seidel Spectrum of Threshold Graphs Abstract Slides Video |
04/06/2021 | Hiranmoy Pal | Quantum State Transfer on Non-Complete Extended P-Sum ofthe Path on Three Vertices Abstract Slides Video |
18/06/2021 | Arvind Ayyer | Toppleable permutations, acyclic orientations and excedances Abstract Slides Video |
25/06/2021 | Sonu Rani | Some results on the smallest positive eigenvalue oftrees Abstract Slides Video |
02/07/2021 | Deepak Sarma | Distance Pareto eigenvalue of a graph Abstract Slides Video |
09/07/2021 | Aparna Lakshmanan | On Leech Trees and Some Related Concepts Abstract Slides Video |
16/07/2021 | Somnath Paul | A note on integral Graphs Abstract Slides Video |
13/08/2021 | M. Saravanan | A generalization of Fiedler's lemma and the spectra of H-join of graphs Abstract Slides Video |
20/08/2021 | Seetharama Gowda | An introduction to Fan-Theobald-von Neumann systems Abstract Slides Video |
27/08/2021 | Rakshith B R | Graphs Determined By Their Spectra Abstract Slides Video |
03/09/2021 | H. S. Ramane | Energy of graphs Abstract Slides Video |
10/09/2021 | Suresh Elumalai | On the Merrifield-Simmons index of graphs Abstract Slides Video |
17/09/2021 | Kaneenika Sinha | Eigenvalue statistics for random regular graphs Abstract Slides Video |
01/10/2021 | Swarup Panda | Inverses of graphs and reciprocal eigenvalue properties Abstract Slides Video |
15/10/2021 | R. Rajkumar | M-join of graphs and its spectra Abstract Slides Video |
22/10/2021 | Chithra A V | Normalized Laplacian spectra of central vertex join and central edge join of two regular graphs Abstract Slides Video |
29/10/2021 | Deepa Sinha | Spectral analysis of t-path signed graphs Abstract Slides Video |
12/11/2021 | Subrahmanyam Kalyanasundaram | The Sensitivity Conjecture and its Resolution Abstract Slides Video |
19/11/2021 | M. Gayathri | Spectra of some partitioned matrices Abstract Slides Video |
26/11/2021 | Amitesh Sarkar | Join of hypergraphs and their spectra Abstract Slides Video |
03/12/2021 | Moumanti Podder | Some combinatorial games on rooted multi-type Galton-Watson trees Abstract Slides Video |
10/12/2021 | Projesh Nath Choudhury | Blowup-polynomials of graphs Abstract Slides Video |