Chennai Mathematical Institute

Seminars




Today's Seminar
  • 18-09-25
    Mathematics Seminar
    Date: Thursday, 18 September 2025
    Time: 3.30 p.m. to 4.30 p.m.
    Venue: Seminar Hall
    On unimodular rows
    Sourjya Banerjee
    Institute of Mathematical Sciences, Chennai.
    Abstract
    A unimodular row of length $n$ over a commutative Noetherian ring $R$ (with $1 \neq 0$) is a row vector $(v_1,\ldots,v_n) \in R^n$ such that the ideal generated by $v_1,\ldots,v_n$ is the whole ring $R$. In this talk, we will discuss unimodular rows and their connections with projective modules, specifically addressing when a unimodular row of length $n$ is completable to a row of an invertible matrix, and how this question arises naturally in the study of projective modules. We will first consider a classical example of a unimodular row of length $(d+1)$ over a $d$-dimensional smooth real algebraic variety that is not completable to such a row. We then describe a class of $d$-dimensional real affine algebras over which every unimodular row of length $(d+1)$ is completable to a row of an invertible matrix. Finally, we discuss the case of unimodular rows of shorter length over smooth algebras belong to the same class. The last part of the talk is based on ongoing joint work with Jean Fasel.


Forthcoming Seminars
  • 22-09-25
    Computer Science Seminar
    Date: Monday, 22 September 2025
    Time: 3.30 p.m.
    Venue: Seminar Hall
    Fair and Efficient Allocation of Indivisible Goods and Chores(Abstract)
    Aditi Sethia
    IISc Bengaluru.

  • 22-09-25
    Physics Colloquium
    Date: Monday, 22 September 2025
    Time: 03:30 p.m.
    Venue: Lecture Hall 6
    Elementary excitations, topological defects & emergent universalities in low-temperature physics(Abstract)
    Sukla Pal
    NR-INO, Pitaevskii BEC center, Trento, Italy.

  • 25-09-25
    Physics Seminar
    Date: Thursday, 25 September 2025
    Time: 01:45 p.m.
    Venue: Seminar Hall
    Stellar Dynamics and Astrophysical Transients in Centers of Galaxies(Abstract)
    Karamveer Kaur
    Guru Nanak Dev University & Raman Research Institute.

  • 26-09-25
    Data Science Seminar
    Date: Friday, 26 September 2025
    Time: 2:00 p.m.
    Venue: NKN Hall
    Math and Technology: Game Changers for Supply Chain(Abstract)
    Sarang Jagdale and Amit Hooda
    Lyric.

  • 26-09-25
    Chennai Combinatorics Colloquium Series
    Date: Friday, 26 September 2025
    Time: 3.30 p.m.
    Venue: NKN Hall
    What you can count with a Character Table(Abstract)
    Amritanshu Prasad
    Institute of Mathematical Sciences, Chennai.

  • 29-09-25
    Public viva-voce Notification
    Date: Monday, 29 September 2025
    Time: 11.00 AM
    Venue: Seminar Hall (Hybrid mode)
    Some Investigations into Classical and Quantum Coupled Rotors(Abstract)
    Ankit Yadav
    Chennai Mathematical Institute.

Past Seminars (this year)
  • 17-09-25
    Lecture Announcement
    Date: Wednesday, 17 September 2025
    Time: 2:00 p.m.
    Venue: Seminar Hall
    Permanental ideals and $F$-singularities(Abstract)
    Trung Chau
    Chennai Mathematical Institute.

  • 17-09-25
    Physics Seminar
    Date: Wednesday, 17 September 2025
    Time: 3:30 p.m
    Venue: Lecture Hall 1
    Quantum logic and imaging with photons(Abstract)
    Balakrishnan Viswanathan
    Institute of Mathematical Sciences, Chennai.

  • 16-09-25
    CMI-IMSc Number Theory Seminar
    Date: Tuesday, 16 September 2025
    Time: 3:30 p.m to 4:30 p.m
    Venue: Seminar Hall, CMI
    Second moment of cubic Dirichlet L-functions over function fields(Abstract)
    Shivani Goel
    Chennai Mathematical Institute.

  • 15-09-25
    Professor P.P. Divakaran Memorial Talk
    Date: Monday, 15 September 2025
    Time: 3.30 p.m.
    Venue: Seminar Hall
    In Praise of Khahara: Zero-Divided Numbers(Abstract)
    Amartya Kumar Dutta
    Indian Statistical Institute, Kolkata.

  • 12-09-25
    Data Science Seminar
    Date: Friday, 12 September 2025
    Time: 2.00 to 3.00 p.m.
    Venue: NKN Hall, CMI
    Rough Path Theory and the Signature Transform: A New Paradigm for Sequential Data Analysis(Abstract)
    Thomas Cass
    Imperial College, London, UK.

  • 12-09-25
    Physics Seminar
    Date: Friday, 12 September 2025
    Time: 12:00 p.m.
    Venue: Seminar Hall
    Taming eccentricity in binary black hole mergers(Abstract)
    Tousif Islam
    Kavli Postdoctoral Scholar, UC Santa Barbara.

  • 11-09-25
    Data Science Seminar
    Date: Thursday, 11 September 2025
    Time: 10:30 - 11:30 AM
    Venue: NKN Hall
    Integrating data for causal inference(Abstract)
    Elizabeth Stuart
    Department of Biostatistics, Johns Hopkins University, USA.

  • 05-09-25
    Data Science Seminar
    Date: Friday, September 2025
    Time: 2:00 PM
    Venue: NKN Hall
    Dark Side of Data Science(Abstract)
    Sourish Das
    Chennai Mathematical Institute.

  • 04-09-25
    Public viva-voce Notification
    Date: Thursday, 4 September 2025
    Time: 11.30 AM
    Venue: Seminar Hall(Hybrid mode)
    Pareto-optimal Golgi design and decoding cell-surface glycans(Abstract)
    Aashish Satyajith
    Chennai Mathematical Institute.

  • 03-09-25
    Seminar Announcement
    Date: Wednesday, 3 Sepetember 2025
    Time: 11:50 A.M.
    Venue: Lecture Hall 5
    The Upanishads, What do they seek?
    V Balaji
    Chennai Mathematical Institute.

  • 02-09-25
    Public viva-voce Notification
    Date: Tuesday, 2 September 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Cosmologies, singularities, quantum extremal surfaces, holographic complexity, and time entanglement and pseudo-entropy.(Abstract)
    Hitesh Kumar Saini
    Chennai Mathematical Institute.

  • 29-08-25
    Data Science Seminar
    Date: Friday, 29 August 2025
    Time: 2:00 PM
    Venue: LH202, CMI
    The Problem-Solver's Journey: From Code to Creativity - Navigating AI and Data Science in the Modern World(Abstract)
    Karthikeyan Alagarswamy
    Zerocoin Studios, Chennai.

  • 29-08-25
    Seminar Announcement
    Date: Friday, 29 August 2025
    Time: 2:00 PM
    Venue: Seminar Hall, CMI
    Classification of Smooth Complex Algebraic Surfaces via Some Homotopy Theoretic Properties(Abstract)
    Buddhadev Hajra
    Chennai Mathematical Institute.

  • 28-08-25
    Seminar Announcement
    Date: Thursday, 28 August 2025
    Time: 11.45 AM
    Venue: Seminar Hall
    Making Secure Multiparty Computation Efficient Using New Assumptions and Resources(Abstract)
    Varun Narayanan


  • 22-08-25
    Data Science Seminar
    Date: Friday, 22 August 2025
    Time: 2:00 PM
    Venue: LH202, CMI
    Power and Limitations of Opinion Polls: My Experiences(Abstract)
    Rajeeva Karandikar
    Chennai Mathematical Institute.

  • 22-08-25
    Computer Science Seminar
    Date: Friday, 22 August 2025
    Time: 3:30 PM
    Venue: NKN Hall, CMI
    Algorithmic Cryptanalysis and Side-Channel Analysis: Case Studies with Russian Cryptographic Standards(Abstract)
    Gautham Sekar
    Madras Fintech Services Pvt. Ltd.

  • 22-08-25
    Mathematics Seminar
    Date: Friday, 22 August 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    K-theory of Springer Varieties(Abstract)
    V Uma
    IIT Madras.

  • 20-08-25
    Seminar Announcement
    Date: Wednesday, 20 August 2025
    Time: 3.30 PM
    Venue: Seminar Hall
    A unified model of cortico-hippocampal activity through neural field theory(Abstract)
    Richa Phogat
    University of Newcastle.

  • 20-08-25
    Computer Science Seminar
    Date: Wednesday, 20 August 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Online and Dynamic Algorithms for Geometric Set Cover(Abstract)
    Aditya Subramanian
    IISc, Bangalore.

  • 19-08-25
    Computer Science Seminar
    Date: Tuesday, 19 August 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Machine-Verifying Fast Concurrent Algorithms(Abstract)
    Siddhartha Jayanti
    Dartmouth College, USA.

  • 19-08-25
    Public viva-voce Notification
    Date: Tuesday, 19 August 2025
    Time: 2:00 PM
    Venue: Seminar Hall (Hybrid mode)
    The black hole information paradox for small Schwarzschild de Sitter black holes; and no-boundary extremal surfaces in slow roll inflation and other cosmologies(Abstract)
    Kaberi Goswami
    Chennai Mathematical Institute.

  • 14-08-25
    Physics Seminar
    Date: Thursday, 14 August 2025
    Time: 11.00 AM
    Venue: Seminar Hall
    Only Flat Space is Full BPS in Four Dimensional N=3 and N=4 Supergravity(Abstract)
    Abhinava Bhattacharjee
    IISER TVM.

  • 13-08-25
    CMI Arts Initiative Talk
    Date: Wednesday, 13 August 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Tyler Durden calling: On Frederich Nietzsche's Genealogy of Morals(Abstract)
    Saroj Giri
    Delhi University.

  • 13-08-25
    Mathematics Seminar
    Date: Wednesday, 13 August 2025
    Time: 3.30 - 4.30 PM
    Venue: Lecture Hall 1
    Distribution of difference of characters evaluated at consecutive polynomial values(Abstract)
    Dwaipayan Mazumder
    Chennai Mathematical Institute.

  • 13-08-25
    Mathematics Seminar
    Date: Wednesday, 13 August 2025
    Time: 2.00 - 3.00 PM
    Venue: Lecture Hall 1
    Stanley-Reisner ideals of higher independence complexes of chordal graphs(Abstract)
    Amit Roy
    Chennai Mathematical Institute.

  • 06-08-25
    Mathematics Colloquium
    Date: Wednesday, 6 August 2025
    Time: 3.30 PM
    Venue: Seminar Hall
    Marked cycle curves for quadratic polynomials and rational maps(Abstract)
    Malavika Mukundan
    Boston University.

  • 05-08-25
    Lecture Announcement
    Date: Tuesday, 5 August 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Local monomialization and stable forms of mappings in characteristic zero and p(Abstract)
    Dale Cutkosky
    University of Missouri, United States.

  • 05-08-25
    Lecture Announcement
    Date: Tuesday, 5 August 2025
    Time: 11:50 AM
    Venue: Seminar Hall
    When are Kunz-Waldi Semigroups Determinantal or Determinantal-like?(Abstract)
    Hema Srinivasan
    University of Missouri, United States.

  • 01-08-25
    Computer Science Seminar
    Date: Friday, 1 August 2025
    Time: 2:00 PM
    Venue: Online
    Bipartite Matching is in Catalytic Logspace(Abstract)
    Aryan Agarwala
    Max Planck Institute.

  • 01-08-25
    Lecture series announcement
    Dates: July 15, 18, 23, 25, 29 and August 1.
    Time: 11.30 AM
    Venue: LH202
    Lectures on algebraic Geometry(Abstract)
    A. J. Parameswaran
    Kerala School of Mathematics.

  • 30-07-25
    Lecture Announcement
    Date: Wednesday, 30 July 2025
    Time: 11:30 AM
    Venue: Seminar Hall
    On a theorem of Narasimhan-Ramanan on deformations of moduli stacks(Abstract)
    V. Balaji
    Chennai Mathematical Institute.

  • 31-07-25
    Lecture Announcements
    Date: Thursday, 31 July 2025
    Time : Lecture 1 - 12.00 to 1.00 PM and Lecture 2 - 2.00 to 3.00 PM
    Venue: LH202
    Geometry of local Arthur packets and Vogan's conjecture for $p$-adic groups- I & II(Abstract)
    Mishty Ray
    University of British Columbia.

  • 18-07-25
    Computer Science Seminar
    Date: Friday, 18 July 2025
    Time: 11:30 AM
    Venue: Lecture Hall 202
    Full-Stack Automated Reasoning with UCLID5(Abstract)
    Sanjit A Seshia
    University of California, Berkeley.

  • 17-07-25
    Research Methodology Seminar
    Date: Thursday, 17 July 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Moduli spaces - A home for singularities(Abstract)
    Nima Rose Manjila
    Chennai Mathematical Institute.

  • 17-07-25
    Physics Seminar
    Date: Thursday, 17 July 2025
    Time: 11.30 AM
    Venue: Lecture Hall 3
    Introduction to Quantum Error Correction(Abstract)
    Bijita Sarma
    Friedrich-Alexander University Erlangen-Nuremberg, Germany.

  • 17-07-25
    Public viva-voce Notification
    Date: Thursday, 17 July 2025
    Time: 11:00 AM
    Venue: Seminar Hall (Hybrid mode)
    Linear systems and Seshadri constants on blow ups of ruled surfaces(Abstract)
    Cyril J Jacob
    Chennai Mathematical Institute.

  • 15-07-25
    Physics Colloquium
    Date: Tuesday, 15 July 2025
    Time: 11.30 AM
    Venue: Lecture Hall 3
    Machine Learning for Quantum Technology and Quantum Computing(Abstract)
    Bijita Sarma
    Friedrich-Alexander University Erlangen-Nuremberg, Germany.

  • 09-07-25
    Physics Seminar
    Date: Wednesday, 9 July 2025
    Time: 11.30 AM
    Venue: Lecture Hall 3
    Title: Towards a Categorification of Scattering Amplitudes
    Koushik Ray
    IACS, Calcutta.

  • 07-07-25
    Number Theory Seminar
    Date: Monday, 7 July 2025
    Time: 3:30 pm to 4:30 pm
    Venue: Seminar Hall, CMI
    Triple convolutions of shifted divisor function(Abstract)
    M. Ram Murty
    Queen's University.

  • 07-07-25
    Seminar Announcement
    Date: Monday, 7 July 2025
    Time: 12.00 PM
    Venue: Seminar Hall
    Small solution of generic ternary quadratic congruences(Abstract)
    Aishik Chattopadhyay
    Ramakrishna Mission Vivekananda Educational and Research Institute.

  • 04-07-25
    Chennai Combinatorics Colloquium Series
    Speaker: Arvind Ayyer, IISc Bengaluru
    Date: Friday, 4 July 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Factorization of classical characters twisted by roots of unity(Abstract)
    Arvind Ayyer
    IISc Bengaluru.

  • 18-06-25
    Seminar Announcement
    Date: Wednesday, 18 June 2025
    Time: 11:45 AM
    Venue: Lecture Hall 4
    Building advanced cryptography for distributed settings(Abstract)
    Anshu Yadav
    Postdoctoral researcher, ISTA.

  • 30-05-25
    Seminar Announcement
    Date: Friday, 30 May 2025
    Time: 10.30 - 11.30 AM
    Venue: Lecture Hall 202
    Assessing the Quality of Binomial Samplers: A Statistical Distance Framework(Abstract)
    Sourav Chakraborty
    ISI Kolkata.

  • 07-05-25
    Physics Seminar
    Date: Wednesday, 7 May 2025
    Time: 1:45 PM
    Venue: NKN Hall (Hybrid mode)
    The Stückelberg Path to Pure de Sitter Supergravity(Abstract)
    Sukruti Bansal
    Vienna University of Technology.

  • 29-04-25
    Seminar Announcement
    Date: Tuesday, 29 April 2025
    Time: 8:00 PM
    Venue: Online mode
    Min-max theory, minimal hypersurfaces and the Allen-Cahn equation(Abstract)
    Akashdeep Dey
    University of Toronto.

  • 25-04-25
    Seminar Announcement
    Date: Friday, 25 April 2025
    Time: 11:30 AM
    Venue: Seminar Hall
    New Lower Bounds against Homogeneous Non-Commutative Circuits(Abstract)
    Prerona Chatterjee
    IIT Madras.

  • 25-04-25
    Seminar Announcement
    Date: Friday, 25 April 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Deterministic factorization of constant-depth algebraic circuits in subexponential time(Abstract)
    Somnath Bhattacharjee
    University of Toronto.

  • 24-04-25
    Computer Science Colloquium
    Date: Thursday, 24 April 2025
    Time: 12:00 PM
    Venue: Seminar Hall
    Complexity of Finding Hamiltonian Path in DAGs(Abstract)
    Ronak Bhadra
    IIT Kanpur.

  • 23-03-25
    Seminar Announcement
    Date: Wednesday, 23 April 2025
    Time: 2.15 PM
    Venue: Seminar Hall
    Quantum walk algorithm on periodic lattices and Cayley graphs(Abstract)
    Shyam Dhamapurkar
    Chennai Mathematical Institute.

  • 23-04-25
    Public viva-voce Notification
    Date: Wednesday, 23 April 2025
    Time: 11.30 AM
    Venue: Seminar Hall (Hybrid mode)
    Torus quotients of flag varieties(Abstract)
    Somnath Sudam Dake
    Chennai Mathematical Institute.

  • 22-04-25
    CMI-IMSc Number Theory Seminar
    Date: Tuesday, 22 April 2025
    Time: 3:30 to 4:30 PM
    Venue: Seminar Hall, CMI
    Cohomology of families of $(\varphi, \tau)$-modules(Abstract)
    Aditya Karnataki
    Chennai Mathematical Institute.

  • 22-04-25
    Public viva-voce Notification
    Date: 22 April 2025
    Time: 02.30 PM
    Venue: Seminar Hall (Hybrid)
    Some problems on planar and minor free graphs(Abstract)
    Archit Chauhan
    Chennai Mathematical Institute.

  • 17-04-25
    Seminar Announcement
    Date: Thursday, 17 April 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Quantitative uniqueness for parabolic equations with applications(Abstract)
    Vedansh Arya
    University of Jyväskylä.

  • 17-04-25
    Physics Seminar
    Speaker: Siddharth Prabhu, CMI
    Date: Thursday, 17 April 2025
    Time: 2.00 to 3.15 PM
    Venue: Lecture Hall 5
    Information on the boundaries of asymptotically flat spacetimes (part-2)(Abstract)
    Siddharth Prabhu
    Chennai Mathematical Institute.

  • 16-04-25
    Seminar Announcement
    Date: Wednesday, 16 April 2025
    Time: 3.30 to 4.30 PM
    Venue: Seminar Hall
    HL Cone, Foams, and Graph Coloring(Abstract)
    Amit Kumar
    Institute of Mathematical Sciences, Chennai.

  • 16-04-25
    Seminar Announcement
    Date: Wednesday, 16 April 2025
    Time: 2.30 to 3.30 PM
    Venue: Seminar Hall
    Bridging Non-Roman Scripts with English-Centric LLMs: Evidence and Insights from RomanSetu and RomanLens(Abstract)
    Ratish Surendran Puduppully
    IT University of Copenhagen.

  • 15-04-25
    Physics Colloquium
    Date: Tuesday, 15 April 2025
    Time: 11:45 AM
    Venue: Lecture Hall 6
    The Black Hole Shadow & Beyond(Abstract)
    Prashant Kocherlakota
    BHI Fellow, Black Hole Initiative at Harvard University.

  • 11-04-25
    Mathematics Colloquium
    Date: Friday, 11 April 2025
    Time: 3:30 to 4:30 PM
    Venue: Seminar Hall, CMI
    Polynomials with squarefree discriminant(Abstract)
    Arul Shankar
    University of Toronto.

  • 10-04-25
    Date: Thursday, 10 April 2025
    Time: 3.30 PM
    Venue: Seminar Hall
    Tropical Toric Vector Bundles(Abstract)
    Bivas Khan
    Chennai Mathematical Institute.

  • 09-04-25
    Seminar Announcement
    Date: Wednesday, 9 April 2025
    Time: 2 to 3 PM
    Venue: Lecture Hall 202
    A Theory for Computing with SAT Solvers: What's the Power of a Satisfying Assignment?(Abstract)
    Kuldeep Meel
    Georgia Institute of Technology.

  • 09-04-25
    Mathematics Seminar
    Date: Wednesday, 9 April 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    q-FI category and its representation theory(Abstract)
    Sadhanandh Vishwanath B
    Chennai Mathematical Institute.

  • 08-04-25
    CMI-IMSc Number Theory Seminar
    Date: Tuesday, 8 April 2025
    Time: 3:30 to 4:30 pm
    Venue: Seminar Hall, CMI
    Second order terms in arithmetic statistics(Abstract)
    Arul Shankar
    University of Toronto.

  • 07-04-25
    Seminar Announcement
    Date: Monday, 7 April 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Taming quantum randomness with distributional invariance principles(Abstract)
    Claus Koestler
    UCC - National University of Ireland.

  • 04-04-25
    Seminar Announcement
    Date: Friday, 4 April 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    A solution of the problem of standard compact Clifford-Klein forms(Abstract)
    Aleksy Tralle
    University of Warmia and Mazury, Olsztyn.

  • 04-04-25
    Seminar Announcement
    Date: Friday, 04 April 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    State-space models as graphs(Abstract)
    Victor Elvira
    University of Edinburgh, United Kingdom.

  • 03-04-25
    Physics Seminar
    Date: Thursday, 3 April 2025
    Time: 3.45 PM
    Venue: Lecture Hall 4
    Analyticity properties of scattering amplitude in a theory with a compact spatial coordinate(Abstract)
    J. Maharana
    IOP Bhubaneswar.

  • 02-04-25
    Seminar Announcement
    Date: Wednesday, 2 April 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Jones-Temperley-Lieb Algebras from the viewpoint of quantum probability(Abstract)
    Claus Koestler
    UCC - National University of Ireland.

  • 01-04-25
    CMI-IMSc Number Theory Seminar
    Date: Tuesday, 1 April 2025
    Time: 3.30 to 4.30 PM
    Venue: Seminar Hall, CMI
    Exponential sums over small subgroups(Abstract)
    Dwaipayan Mazumder
    Chennai Mathematical Institute.

  • 27-03-25
    Special Lecture Announcement
    Date: Thursday, 27 March 2025
    Time: 2:00 PM
    Venue: Lecture Hall 3
    Unlocking Meaning: A Journey into Semantics(Abstract)
    M. Thanga Kumaran
    S.A. College of Arts and Science, Chennai.

  • 27-03-25
    Physics Seminar
    Date: Thursday, 27 March 2025
    Time: 1.45 PM
    Venue: Lecture Hall 2
    Some Novel Perspectives On Conformal Supergravity(Abstract)
    Soumya Adhikari
    IISER Thiruvananthapuram.

  • 21-03-25
    Mini Course on Geometric Measure Theory
    Date: Friday, 21 March 2025
    Time: 09:00 PM
    Venue: Online
    Mini Course on Geometric Measure Theory(Abstract)
    Malabika Pramanik
    University of British Columbia.

  • 20-03-25
    Mini Course on Geometric Measure Theory
    Date: Thursday, 20 March 2025
    Time: 09:00 PM
    Venue: Online
    Mini Course on Geometric Measure Theory(Abstract)
    Malabika Pramanik
    University of British Columbia.

  • 20-03-25
    Physics Seminar
    Date: Thursday, 20 March 2025
    Time: 1.45 PM
    Venue: Lecture Hall 2
    Exploring Inflation in String Theory: Single-Field vs. Multi-Field Models (part-2)(Abstract)
    Dibya Chakraborty
    IIT Madras.

  • 17-03-25
    Physics Seminar
    Date: Monday, 17 March 2025
    Time: 3:30 - 5:00 PM
    Venue: Lecture Hall 2
    Aharonov-Bohm Scattering From Knots(Abstract)
    Kaustav Giri
    Chennai Mathematical Institute.

  • 17-03-25
    Mini Course on Geometric Measure Theory
    Date: Monday, 17 March 2025
    Time: 3:30 PM
    Venue: Seminar Hall(Hybrid)
    Mini Course on Geometric Measure Theory(Abstract)
    Aswin Govindan Sheri
    IISER Berhampur.

  • 14-03-25
    Mini Course on Geometric Measure Theory
    Date: Friday, 14 March 2025
    Time: 3:30 PM
    Venue: Seminar Hall(Hybrid)
    Mini Course on Geometric Measure Theory(Abstract)
    Aswin Govindan Sheri
    IISER Berhampur.

  • 14-03-25
    Seminar Announcement
    Speaker: Sreejata Kishor Bhattacharya, TIFR, Mumbai
    Date: Friday, 14 March 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Aaronson-Ambainis Conjecture is True for Random Restrictions(Abstract)
    Sreejata Kishor Bhattacharya
    TIFR. Mumbai.

  • 13-03-25
    Physics Seminar
    Date: Thursday, 13 March 2025
    Time: 3:30 - 4.45 PM
    Venue: Lecture Hall 6
    Quasinormal modes and flat space cosmology(Abstract)
    Astha Kakkar
    IIT Kanpur.

  • 13-03-25
    Mini Course on Geometric Measure Theory
    Date: Thursday, 13 March 2025
    Time: 3:30 PM
    Venue: Seminar Hall(Hybrid)
    Mini Course on Geometric Measure Theory(Abstract)
    Aswin Govindan Sheri
    IISER Berhampur.

  • 12-03-25
    Mathematics Seminar
    Date: Wednesday, 12 March 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Hidden symmetries of hyperbolic knot complements(Abstract)
    Priyadip Mondal
    Ben Gurion University.

  • 12-03-25
    Mathematics Seminar
    Date: Wednesday, 12 March 2025
    Time: 2:00 - 3:00 PM
    Venue: Seminar Hall
    On Butler's Conjecture and some related results(Abstract)
    Suhas B N
    Chennai Mathematical Institute.

  • 12-03-25
    Mathematics Seminar
    Date: Wednesday, 12 March 2025
    Time: 11:50 AM - 12:50 PM
    Venue: Seminar Hall
    Square-free powers of Cohen-Macaulay simplicial forests(Abstract)
    Kamalesh Saha
    Chennai Mathematical Institute.

  • 12-03-25
    Physics Seminar
    Date: Wednesday, 12 March 2025
    Time: 1.45 - 3 PM
    Venue: Lecture Hall 2
    Exploring Inflation in String Theory: Single-Field vs. Multi-Field Models(Abstract)
    Dibya Chakraborty
    IIT Madras.

  • 11-03-25
    Mini Course on Geometric Measure Theory
    Date: Tuesday, 11 March 2025
    Time: 5:00 PM
    Venue: Seminar Hall(Hybrid)
    Mini Course on Geometric Measure Theory(Abstract)
    Aswin Govindan Sheri
    IISER Berhampur.

  • 11-03-25
    CMI-IMSc Number Theory Seminar
    Date: Tuesday, 11 March 2025
    Time: 3:30 - 4:30 PM
    Venue: Seminar Hall, CMI
    Explicit Deuring--Heilbronn phenomenon for Dirichlet L-functions(Abstract)
    Shivani Goel
    Chennai Mathematical Institute.

  • 10-03-25
    Mini Course on Geometric Measure Theory
    Date: Monday, 10 March 2025
    Time: 3:30 PM
    Venue: Seminar Hall(Hybrid)
    Mini Course on Geometric Measure Theory(Abstract)
    Aswin Govindan Sheri
    IISER Berhampur.

  • 07-03-25
    Physics Seminar
    Date: Friday, 7 March 2025
    Time: 11:30 AM
    Venue: Lecture Hall 2
    Gravitational Lensing of Gravitational Waves(Abstract)
    Apratim Ganguly
    IUCAA, Pune.

  • 06-03-25
    Public viva-voce Notification
    Date: Thursday, 06 March 2025
    Time: 03:30 PM
    Venue: Seminar Hall
    Picard groups of certain compact complex manifolds(Abstract)
    Pritthijit Biswas
    Chennai Mathematical Institute.

  • 06-03-25
    Physics Seminar
    Date: Thursday, 06 March 2025
    Time: 3.30 PM
    Venue: Lecture Hall 2
    Geometry of pure Quantum states as revealed by weak measurements(Abstract)
    N D Hari Dass
    Retired Senior Faculty, Institute of Mathematical Sciences, Chennai, Chennai.

  • 06-03-25
    Physics Seminar
    Date: Thursday, 06 March 2025
    Time: 1:45 PM
    Venue: Lecture Hall 2
    Lectures on the exact renormalization group (ERG), Part 4(Abstract)
    Hidenori Sonoda
    Kobe University, Kobe.

  • 05-03-25
    Physics Seminar
    Date: Wednesday, 05 March 2025
    Time: 3:30 PM
    Venue: Lecture Hall 2
    part 3: large N approximation for the linear sigma model in D=4(Abstract)
    Hidenori Sonoda
    Kobe University, Kobe, Hyōgo, Japan.

  • 05-03-25
    Physics Seminar
    Date: Wednesday, 5 March 2024
    Time: 1.45 - 3:00 PM
    Venue: Lecture Hall 2 Black Hole Quasinormal Mode Instability: Insights from the Pseudospectrum(Abstract)
    Subhodeep Sarkar
    IIT Madras.

  • 04-03-25
    Phyics Seminar
    Date: Tuesday, 04 March 2025
    Time: 3:30 PM
    part 2: partition functions at finite temperatures(Abstract)
    Hidenori Sonoda
    Kobe University, Kobe, Hyōgo, Japan.

  • 28-02-25
    Chennai Combinatorics Colloquium Series
    Date: Friday, 28 February 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    A walk through the history and present of Perfect Matchings(Abstract)
    Nishad Kothari
    IIT Madras.

  • 27-02-25
    Seminar Announcement
    Date: Thursday, 27 February 2025
    Time: 10:30 AM
    Venue: Seminar Hall
    Bayesian filtering and Smoothing in Markov categories(Abstract)
    Areeb Mohammed Shah
    University of Innsbruck, Austria.

  • 26-02-25
    Physics Seminar
    Date: Wednesday, 26 February 2025
    Time: 1.45 PM - 3:00 PM
    Venue: Seminar Hall (Hybrid)
    A New Genuine Multipartite Entanglement Measure from Reflected Entropy(Abstract)
    Vinay Malvimat
    Asia Pacific Center for Theoretical Physics (APCTP), Pohang, South Korea.

  • 26-02-25
    Physics Seminar
    Date: Wednesday, 26 February 2025
    Time: 11.45 AM
    Venue: Lecture Hall 5
    Lectures on the exact renormalization group (ERG), part 1(Abstract)
    Hidenori Sonoda
    Kobe University, Kobe, Hyōgo, Japan.

  • 25-02-25
    CMI-IMSc Number Theory Seminar
    Date: Tuesday, 25 February 2025
    Time: 3:30 to 4:30 PM
    Venue: Seminar Hall, CMI
    Modular Galois representations with large Selmer $p$-rank(Abstract)
    Anwesh Ray
    Chennai Mathematical Institute.

  • 25-02-25
    Physics Seminar
    Date: Tuesday, 25 February 2025
    Time: 11.45 AM
    Venue: Lecture Hall 6
    Coulomb branch amplitudes as symplectic Grassmannian integrals(Abstract)
    Subramanya Hegde
    Max Planck Institute, Bonn.

  • 24-02-25
    Physics Seminar
    Date: Monday, 24 February 2025
    Time: 11.30 AM
    Venue: Lecture Hall 3
    Supersymmetric States in N=4 Yang MIlls from Grey Galaxies and Dual Dressed Black Holes(Abstract)
    Shiraz Minwalla
    TIFR Mumbai.

  • 24-02-25
    Seminar Announcement
    Date: Monday, 24 February 2025
    Time: 11:45 AM
    Venue: Seminar Hall
    Orbit closures and stabilizer limits(Abstract)
    Milind Sohoni
    IIT Bombay.

  • 24-02-25
    R.K. Rubugunday Distinguished Lecture
    Date: Monday, 24 February 2025
    Time: 3:30 - 4:30 PM
    Venue: Seminar Hall
    Sustainability - Data, Models and Pedagogy(Abstract)
    Milind Sohoni
    Computer Science Dept, IIT Bombay and CTARA IIT Bombay.

  • 24-02-25
    K. Lakshmanan Memorial Distinguished Lecture
    Date: Monday, 24 February 2025
    Time: 2:00 -3:00 PM
    Venue: Seminar Hall
    Bose Fermi duality in 3 dimensions(Abstract)
    Shiraz Minwalla
    TIFR Mumbai.

  • 21-02-25
    Seminar Announcement
    Date: Friday, 21 February 2025
    Time: 02:00 PM
    Venue: Seminar Hall
    On Fourier analysis of sparse Bololean functions over certain Abelian groups(Abstract)
    Swarnalipa Datta
    ISI, Kolkata.

  • 20-02-25
    Mathematics Seminar
    Date: Thursday, 20 February 2025
    Time: 3:30 to 4:30 PM
    Venue: Seminar Hall
    A density function for the epsilon multiplicity and applications to integral closures(Abstract)
    Suprajo Das
    IIT Madras.

  • 19-02-25
    Physics Seminar
    Date: Wednesday, 19 February 2025
    Time: 1.45 - 3:00 PM
    Venue: Lecture Hall 2
    A Few More Multiplets in Conformal Supergravity(Abstract)
    Aravind Aikot
    Visiting Student, Chennai Mathematical Institute.

  • 18-02-25
    Seminar Announcement
    Date: Tuesday, 18 February 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Root Clusters(Abstract)
    Shubham Jaiswal
    IISER Pune.

  • 17-02-25
    Seminar Announcement
    Date: Monday, 17 February 2025
    Time: 10:30 AM
    Venue: Seminar Hall
    Example-guided Synthesis of Relational Queries(Abstract)
    Aalok Thakkar
    Ashoka University.

  • 14-02-25
    Seminar Announcement
    Date: Friday, 14 February 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Modular Descriptions of Regular Functions(Abstract)
    Paul Gastin
    LMF, ENS Paris-Saclay, France.

  • 14-02-25
    Data Science Seminar
    Date: Friday, 14 February 2025
    Time: 2:00 - 3:00 PM
    Venue: NKN Hall
    Subdata selection: Introduction and Recent Works(Abstract)
    Rakhi Singh
    IIT Madras.

  • 12-02-25
    Seminar Announcement
    Date: Wednesday, 12 February 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Mathematics in Industrial Machinery at TRUMPF Metamation(Abstract)
    Wadehn Wolf
    CEO TRUMPF Metamation.

  • 12-02-25
    Physics Seminar
    Date: Wednesday, 12 February 2025
    Time: 1.45 PM
    Venue: Lecture Hall 2
    Thermodynamics of topological Dyonic hairy black holes and interplay of QNMs at the phase transition(Abstract)
    Supragyan Priyadarshinee
    IISER, Mohali.

  • 10-02-25
    Computer Science Seminar
    Speaker: K S Thejaswini, Institute of Science and Technology, Austria
    Date: Monday, 10 February 2025
    Time: 10.30 AM
    Venue: Seminar Hall
    Resolving nondeterminism with randomness(Abstract)
    K S Thejaswini
    Institute of Science and Technology, Austria.

  • 05-02-25
    Seminar Announcement
    Date: Wednesday, 5 February 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Recent developments in numerical invariants in prime characteristic commutative algebra(Abstract)
    Alapan Mukhopadhyay
    Ecole Polytechnique Federale de Lausanne (EPFL).

  • 05-02-25
    Mathematics Colloquium
    Date: Wednesday, 5 February 2025
    Time: 2.00 PM
    Venue: Seminar Hall, CMI
    Special points on moduli spaces(Abstract)
    Ananth Shankar
    Northwestern University.

  • 05-02-25
    Physics Seminar
    Date: Wednesday, 5 February 2024
    Time: 1.45 PM
    Venue: Lecture Hall 2
    QCD-Gravity double-copy in the Regge regime via shockwave collisions(Abstract)
    Himanshu Raj
    Stony Brook University, USA.

  • 04-02-25
    Computer Science Seminar
    Speaker: Sreejith A. V., IIT Goa
    Date: Tuesday, 4 February 2025
    Time: 3.45 - 4.45 PM
    Venue: Seminar Hall
    Active learning of one counter automata(Abstract)
    Sreejith A. V.
    IIT Goa.

  • 04-02-25
    Physics Seminar
    Date: Tuesday, 04 February 2025
    Time: 1.45 PM
    Venue: Lecture Hall 2
    Fundamental strings, gravity and quantum processors(Abstract)
    Ayan Mukhopadhyay
    Instituto de Física, Pontificia Universidad Católica de Valparaíso.

  • 29-01-25
    Physics Seminar
    Date: Wednesday, 29 January 2025
    Time: 1.45 PM
    Venue: Lecture Hall 2
    Supertranslations at Spatial and Timelike Infinities in the First-Order Formalism(Abstract)
    Divyesh Solanki
    IIIT Allahabad.

  • 28-01-25
    Physics Seminar
    Date: Tuesday, 28 January 2025
    Time: 1:45 PM
    Venue: Lecture Hall 2
    An equivalence of three butterflies in Lifshitz background(Abstract)
    Banashree Baishya
    IIT Guwahati.

  • 24-01-25
    Physics Seminar
    Date: Friday, 24 January 2025
    Time: 3:45 PM
    Venue: Lecture Hall 2
    A classical dimer model with a discrete-scale-invariant fixed point(Abstract)
    Sounak Biswas
    Universität Würzburg, Germany.

  • 24-01-25
    Computer Science Seminar
    Speaker: S. Arun Kumar, GITAM University
    Date: Friday, 24 January 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Extending Process Algebra with an undefined action(Abstract)
    S. Arun Kumar
    GITAM University.

  • 24-01-25
    Physics Seminar
    Date: Friday, 24 January 2025
    Time: 1:45 PM
    Venue: Lecture Hall 3
    New Insights into Strong Gravity from Accreting Supermassive Black Holes(Abstract)
    Prashant Kocherlakota
    Harvard University.

  • 23-01-25
    Physics Seminar
    Date: Thursday, 23 January 2024
    Time: 1.45 to 3 PM
    Venue: Lecture Hall 2
    Simplicity of In-In correlators(Abstract)
    Chandramouli Chowdhury
    University of Southampton.

  • 22-01-25
    Computer Science Seminar
    Date: Wednesday, 22 January 2025
    Time: 2 to 3 PM
    Venue: Seminar Hall
    Characterizing and Testing Principal Minor Equivalence of Matrices(Abstract)
    Sumanta Ghosh
    ISI Kolkata.

  • 22-01-25
    Seminar Announcement
    Date: Wednesday, 22 January 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Doing Morse theory without Smale condition(Abstract)
    Ipsita Datta
    ETH Zuerich.

  • 21-01-25
    Mathematics Seminar
    Date: Tuesday, 21 January 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Effective and minimal cones of weights for Hilbert modular forms (joint with P. Kassaei)(Abstract)
    Fred Diamond
    King's College, London.

  • 21-01-25
    Physics Seminar
    Date: Tuesday, 21 January 2025
    Time: 1:45 PM
    Venue: Lecture Hall 2
    Discovering Extraordinary Black Hole Mergers and their Origin(Abstract)
    Gayathri V
    University of Wisconsin-Milwaukee.

  • 21-01-25
    Public viva-voce Notification
    Date: Tuesday, 21 January 2025
    Time: 11:00 AM
    Venue: Seminar Hall
    Two Topics in Enumerative Combinatorics(Abstract)
    Krishna Menon P
    Chennai Mathematical Institute.

  • 21-01-25
    Seminar Announcement
    Date: Tuesday, 21 January 2025
    Time: 10.45 - 11.45 AM
    Venue: Lecture Hall 1
    Parsimonious Guarding(Abstract)
    Prahlad Narasimhan Kasthurirangan
    PhD student at Stony Brook University.

  • 20-01-25
    Seminar Announcement
    Date: Monday, 20 January 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Congruences and integral periods for GL3 over imaginary quadratic fields(Abstract)
    Baskar Balasubramanyam
    IISER Pune.

  • 17-01-25
    Data Science Seminar
    Speaker: Varun Ramanathan, Indexnine Technologies
    Date: Friday, 17 January 2025
    Time: 2:00 PM
    Venue: NKN Hall
    Ventures in AI: An Indexnine Journey(Abstract)
    Varun Ramanathan
    Indexnine Technologies.

  • 16-01-25
    Seminar Announcement
    Date: Thursday, 16 January 2025
    Time: 10:45 AM
    Venue: Seminar Hall
    Order-finding for Structured ABPs(Abstract)
    Anamay Tengse
    NISER Bhubaneswar.

  • 10-01-25
    Physics Seminar
    Date: Friday, 10 January 2025
    Time: 3:45 PM
    Venue: Lecture Hall 3
    Soft edges: the many links between soft and edge modes [Part-II]
    Bilyana Tomova
    Okinawa Institute of Science and Technology.

  • 08-01-25
    Physics Seminar
    Date: Wednesday, 8 January 2025
    Time: 3:45 PM
    Venue: Lecture Hall 3 Soft edges: the many links between soft and edge modes [Part-I]
    Gonçalo Araujo-Regado
    Okinawa Institute of Science and Technology.

  • 08-01-25
    Mathematics Seminar
    Date: Wednesday, 8 January 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    Non-maximal Toledo components(Abstract)
    Oscar Garcia-Prada
    ICMAT, Madrid.

  • 08-01-25
    Mathematics Seminar
    Date: Wednesday, 8 January 2025
    Time: 2:00 PM
    Venue: Seminar Hall
    Twisted triple product p-adic L-function for finite slope families and a p-adic Gross-Zagier formula(Abstract)
    Ananyo Kazi
    UniDistance Suisse.

  • 07-01-25
    Data Science Seminar
    Date: Tuesday, 7 January 2025
    Time: 3:30 PM
    Venue: Seminar Hall
    IoT Data Analysis: Learning and Anomaly Detection(Abstract)
    Nalini Ravishanker
    Department of Statistics, University of Connecticut, Storrs, CT, USA.

  • 07-01-25
    Seminar Announcement
    Date: Tuesday, 7 January 2025
    Time: 10:30 AM
    Venue: Seminar Hall
    SELP: A framework for implementing the perception-action loop in an AI agent(Abstract)
    Bonny Banerjee
    University of Memphis and the Institute for Intelligent Systems.

  • 06-01-25
    Computer Science Seminar
    Date: Monday, 6 January 2025
    Time: 3:45 PM
    Venue: Seminar Hall, CMI
    Differential geometry for solving 3D computer vision problems(Abstract)
    Shaifali Parashar
    LIRIS, INSA-Lyon, France.

  • 06-01-25
    Short Course on State-Space Models (Machine Learning)
    Date: Monday, 6 January 2025
    Time: 11.45 AM to 1.00 PM and 2.00 to 3.15 PM (2 lectures)
    Venue: Seminar Hall
    Title: A Tutorial on Mamba(Abstract)
    Ratish Surendran Puduppully
    NLP group at IT University, Copenhagen.

  • 07-01-25
    Seminar Announcement
    Date: Tuesday, 7 January 2025
    Time: 03:30 PM
    Venue: LH3
    Fast list-decoding of univariate multiplicity and Folded Reed-Solomon codes(Abstract)
    Rohan Goyal
    Massachusetts Institute of Technology, USA.

  • 03-01-25
    Physics Seminar
    Date: Friday, 3 January 2025
    Time: 03:30 PM
    Venue: LH1
    An Exterior Field Theory for Hawking Radiation
    Godwin Martin
    International Center for Theoretical Sciences (ICTS).

  • 03-01-25
    Physics Seminar
    Date: Friday, 3 January 2025
    Time: 11.30 AM
    Venue: LH1 Proper Time to Singularity and Thermal correlators
    Kaustubh Singhi
    International Center for Theoretical Sciences (ICTS).