Chennai Mathematical Institute

Seminars




Forthcoming Seminars
  • 18-09-19
    3.30 pm,Seminar Hall
    On Adaptivity in Information-Constrained Online Learning(Abstract)
    Siddharth Mitra
    MSc, Chennai Mathematical Institute.

  • 19-09-19
    3:30 pm, Lecture Hall 1
    The Singular tuples of matrices is not a null cone(Abstract)
    K.V. Subrahmanyam
    Chennai Mathematical Institute.

Past Seminars (this year)
  • 13-09-19
    Data Science Colloquium Series
    2 pm - 3 pm,NKN Hall
    Topological Data Analysis (TDA)(Abstract)
    Varun Thakre
    ICTS, Bengaluru.

  • 11-09-19
    3.30 pm, Seminar Hall
    Temple Conservation - An Indian Way
    Madhusudhanan Kalaichelvan
    .

  • 09-09-19
    3.30 pm,Seminar Hall
    Complexity of Computing Polynomials of Bounded Individual Degree(Abstract)
    Suryajith Chillara
    IIT Bombay.

  • 06-09-19
    Data Science Colloquium Series
    2pm -3pm,NKN Hall
    Prediction models of regulatory Technology world(Abstract)
    Shanmugavel Sankaran
    FixNix,Chennai.

  • 30-08-19
    Data Science Colloquium Series
    3.30 pm - 4.30pm,NKN Hall
    Application of advanced analytics and machine learning in banking(Abstract)
    Sandipan Ray
    ICICI Bank.

  • 30-08-19
    Data Science Colloquium Series
    2 - 3 pm, NKN Hall
    Using Artificial Intelligence and Machine Learning to evaluate and improve Advertising: New solutions to Old problems(Abstract)
    Ashok Kalidas
    Kantar Analytics, Chennai.

  • 29-08-19
    LECTURE SERIES ANNOUNCEMENT - "Inclusion-exclusion in topology and (kind(s) of) arithmetic”
    The first talk will cover all the prerequisites. The other talks should be accessible to anyone who knows cohomology and has heard of spectral sequences.
    3:30 - 4:30 pm, Seminar Hall
    Points and lines on cubic surfaces(Abstract)
    Ronno Das
    University of Chicago.

  • 28-08-19
    PUBLIC VIVA-VOCE NOTIFICATION
    3.30 pm,Lecture Hall 803
    Static and Dynamic Complexity of Reachability, Matching and Related Problems(Abstract)
    Anish Mukherjee
    Chennai Mathematical Institute.

  • 28-08-19
    LECTURE SERIES ANNOUNCEMENT - "Inclusion-exclusion in topology and (kind(s) of) arithmetic”
    The first talk will cover all the prerequisites. The other talks should be accessible to anyone who knows cohomology and has heard of spectral sequences.
    3:30 - 4:30 pm, Seminar Hall
    Topology and arithmetic: some real, imaginary and complex bridges(Abstract)
    Ronno Das
    University of Chicago.

  • 28-08-19
    11.30 am,Lecture Hall 804
    What if photon has a mass?(Abstract)
    T R Govindarajan
    Chennai Mathematical Institute.

  • 27-08-19
    LECTURE SERIES ANNOUNCEMENT - "Inclusion-exclusion in topology and (kind(s) of) arithmetic”
    The first talk will cover all the prerequisites. The other talks should be accessible to anyone who knows cohomology and has heard of spectral sequences.
    3:30 - 4:30 pm, Seminar Hall
    A user's guide to (étale) cohomology(Abstract)
    Ronno Das
    University of Chicago.

  • 26-08-19
    3:30 pm,Seminar Hall
    Finding Cliques with Few Probes(Abstract)
    Prasad Tetali
    School of Mathematics and School of Computer Science, Georgia Institute of Technology,USA.

  • 23-08-19
    2 pm -3pm,NKN Hall
    Data Science Colloquium Series
    Datum(Abstract)
    Srinivas Bhogle
    4Pi.

  • 23-08-19
    11:50 - 12:50, Lecture Hall 2
    Interpolating strong induction(Abstract)
    Hari Govind V K
    University of Waterloo, Canada.

  • 22-08-19
    3.00 pm, Seminar Hall
    Near horizon dynamics of three dimensional black holes(Abstract)
    Daniel Grumiller
    Institute for Theoretical Physics, TU Wien (Vienna University of Technology).

  • 20-08-19
    3:00 pm, Seminar Hall
    Reducedness of formally unramified algebras(Abstract)
    Alapan Mukhopadhyay
    University of Michigan.

  • 16-08-19
    2 - 3 pm, NKN Hall,CMI New Building
    Data Science Colloquium Series
    Discussion with Kaushik on AI and ML(Abstract)
    Kaushik Raghavan
    FLICQ, Chennai.

  • 14-08-19
    3:30 - 4:30 pm, Lecture Hall 2
    Parity Games and Register Index(Abstract)
    Thejaswini K S
    Chennai Mathematical Institute, University of Warwick.

  • 14-08-19
    3:30 pm, Seminar Hall
    Hypersymplectic manifolds and associated geometries(Abstract)
    Varun Thakre
    ICTS, Bengaluru.

  • 09-08-19
    3:30 pm, Lecture Hall 6
    Recent developments in the variational theory of minimal hypersurfaces
    Akashdeep Dey
    Princeton University.

  • 09-08-19
    2 pm - 3 pm, NKN Hall
    Data Science Colloquium Series
    Tour of Data Science Technologies and its Applications(Abstract)
    Sarang Jagdale
    Opex Analytics, Pune.

  • 06-08-19
    3:30 pm, Seminar Hall
    Compactness of the space of singular, minimal hypersurfaces with bounded volume and Jacobi eigenvalue(Abstract)
    Akashdeep Dey
    Princeton University.

  • 19-07-19
    2.00 pm, Lecture Hall 803
    Resolution of the black hole information paradox(Abstract)
    Samir D Mathur
    Ohio State University, USA.

  • 19-07-19
    PUBLIC VIVA-VOCE NOTIFICATION
    2:00 pm, Lecture Hall 6
    On Generalised Parabolic Hitchin Pairs(Abstract)
    Sourav Das
    Chennai Mathematical Institute.

  • 17-07-19
    11:30 am, Lecture Hall 803
    The Aretakis instability of extremal asymptotically AdS black holes(Abstract)
    Arun Ravishankar
    University of Arizona.

  • 17-07-19
    11.30 am, Lecture Hall 6
    A uniqueness result for general Dirichlet series(Abstract)
    Anup Dixit
    Queen's University, Canada.

  • 09-07-19
    3.00 pm, Lecture Hall 6
    Symbol length in Galois cohomology groups(Abstract)
    V. Suresh
    Emory University.

  • 03-07-19
    PUBLIC VIVA-VOCE NOTIFICATION
    11:00 am, Seminar Hall
    Some Computational Approaches for Machine Learning on Big Datasets(Abstract)
    Rajiv Sambasivan
    Chennai Mathematical Institute.

  • 14-06-19
    3:30 pm, Lecture Hall 6
    Line arrangements with applications to recent work in algebraic geometry and commutative algebra(Abstract)
    Brian Harbourne
    University of Nebraska, USA.

  • 29-05-19
    2.00 pm, Lecture Hall 3
    Kunz's theorem(Abstract)
    Nirmal Kotal
    Chennai Mathematical Institute.

  • 27-05-19
    2.00pm, Lecture Hall 803
    Out of Time Ordered Quantum Dissipation(Abstract)
    Bidisha Chakrabarty
    ICTS, Bangalore.

  • 22-05-19
    2.00pm, Lecture Hall 803
    Lorentzian Geometry of Qubit Entanglement(Abstract)
    Joseph Samuel
    Raman Research Institute, Bangalore.

  • 21-05-19
    2.00 pm, Lecture Hall 803
    A quantum diffusion law(Abstract)
    Supurna Sinha
    Raman Research Institute, Bangalore.

  • 14-05-19
    2.00 pm, Lecture Hall 803
    Stability in General Relativity using Symplectic Geometry (Reference: arXiv:1902.08219)(Abstract)
    Prashant Kocherlakota
    TIFR Mumbai.

  • 02-05-19
    1:45 pm, Lecture Hall 803
    Identical particles and quantum entanglement(Abstract)
    N. Ramadas
    Chennai Mathematical Institute.

  • 26-04-19
    2.00 pm, Lecture Hall 802
    Coherent States in QCD(Abstract)
    P.V. Athira
    Chennai Mathematical Institute.

  • 25-04-19
    14:00, Seminar Hall
    On understanding Neural Circuit Computation(Abstract)
    Venkatakrishnan Ramaswamy
    NCBS, Bangalore.

  • 23-04-19
    3.45 pm - 4.30 pm, Lecture Hall 1
    An Introduction to Bounded Height Conjecture(Abstract)
    Aritriya Mukhapadhyay
    Chennai Mathematical Institute.

  • 23-04-19
    3.00 pm - 3.45 pm, Lecture Hall 1
    On Manin Mumford Conjecture(Abstract)
    Aritriya Mukhapadhyay
    Chennai Mathematical Institute.

  • 17-04-19
    3.30 pm, Seminar Hall
    PolyMath14: Groups with norms(Abstract)
    Apoorva Khare
    Indian Institute of Science, Bangalore.

  • 17-04-19
    MSc (Mathematics) thesis defence talks
    2.00 pm, Seminar Hall
    Moduli space of spatial polygons(Abstract)
    Sambit Senapati
    Chennai Mathematical Institute.

  • 17-04-19
    11.50 am, Lecture Hall 5
    Matrix analysis: "overview talk"
    Entrywise positivity preservers: covariance estimation, symmetric function identities, and a novel graph invariant
    Apoorva Khare
    Indian Institute of Science, Bangalore.

  • 17-04-19
    MSc (Mathematics) thesis defence talks
    11.50 am, Seminar Hall
    J-holomorphic curves and Gromov's nonsqueezing theorem(Abstract)
    Paramjit Singh
    Chennai Mathematical Institute.

  • 16-04-19
    MSc (Mathematics) thesis defence talks
    2.00 pm, Seminar Hall
    Some homology calculations using discrete Morse theory(Abstract)
    Naageswaran M.
    Chennai Mathematical Institute.

  • 16-04-19
    MSc (Mathematics) thesis defence talks
    11.50 am, Seminar Hall
    Forcing and Measurable subsets of R(Abstract)
    Raein Banerjee
    Chennai Mathematical Institute.

  • 15-04-19
    MSc (Mathematics) thesis defence talks
    2.00 am, Seminar Hall
    GIT and the classification of Semistable Vector Bundles over a Curve(Abstract)
    V. Sridhar
    Chennai Mathematical Institute.

  • 15-04-19
    MSc (Mathematics) thesis defence talks
    3:30 pm, Seminar Hall
    On the Non vanishing of Dirichlet L functions using twisted molifier(Abstract)
    Arghya Datta
    Chennai Mathematical Institute.

  • 12-04-19
    MSc (Mathematics) thesis defence talks
    11:50 am, Seminar Hall
    Finite Dimensional Inclusion and Path Algebra(Abstract)
    Utsabraj Sarkar
    Chennai Mathematical Institute.

  • 11-04-19
    2.00 pm, Lecture Hall 803
    Conformal Properties of Soft-Operators
    Partha Paul
    IOP Bhubaneshwar.

  • 11-04-19
    RESEARCH METHODOLOGY SEMINAR
    11:45 am - 12:45 pm, Lecture Hall 1
    On the Ring of Invariants of Finite Groups generated by pseudo-reflections(Abstract)
    Shubham Ovhal
    Chennai Mathematical Institute.

  • 10-04-19
    3:30 pm, Seminar Hall
    A study of Kostant-Kumar modules via Littelmann paths(Abstract)
    K.N. Raghavan
    Institute of Mathematical Sciences, Chennai.

  • 10-04-19
    2.00 pm, Seminar Hall
    Average-Case Fine-Grained Hardness, and what to do with it(Abstract)
    Prashant Nalini Vasudevan
    Univ. of California Berkeley.

  • 10-04-19
    2.00 pm, Lecture Hall 803
    KdV-type nonlinear dispersive regularization of gas dynamics(Abstract)
    Sonakshi Sachdev
    Chennai Mathematical Institute.

  • 10-04-19
    RESEARCH METHODOLOGY SEMINAR
    11:45 am - 12:45 pm, Lecture Hall 5
    Riemann Roch theorem for nonsingular curves(Abstract)
    Aishik Chattopadhyay
    Chennai Mathematical Institute.

  • 10-04-19
    RESEARCH METHODOLOGY SEMINAR
    10:30 am - 11:30 am, Lecture Hall 5
    Cartan Hadamard Theorem & Synge’s Theorem(Abstract)
    Pritthijit Biswas
    Chennai Mathematical Institute.

  • 09-04-19
    2.00 pm, Lecture Hall 802
    Chaotic Correlation Functions with Complex Fermions(Abstract)
    Ritabrata Bhattacharya
    HRI Allahabad.

  • 04-04-19
    3:30 pm, Seminar Hall
    Making sense of Opinion polls(Abstract)
    Rajeeva L. Karandikar
    Chennai Mathematical Institute.

  • 04-04-19
    2.00 pm, Lecture Hall 803
    Unruh-DeWitt detector in presence of multiple scalar fields : A Toy Model(Abstract)
    Ashmita Das
    IIT Guwahati.

  • 29-03-19
    10:45 - 11:45 am, Seminar Hall
    Parameterized Verification of Coverability in Infinite State Broadcast Networks(Abstract)
    Balasubramanian A.R.
    Chennai Mathematical Institute.

  • 28-03-19
    2.00 pm, Lecture Hall 802
    Connection between double copy structures in quantum and classical theories(Abstract)
    A. Manu
    Chennai Mathematical Institute.

  • 27-03-19
    2.00 pm, Lecture Hall 803
    Time-dependent NAdS2 holography with applications(Abstract)
    Alexander Soloviev
    University of Vienna.

  • 20-03-19
    3:30 pm, Seminar Hall
    Commuting conjugates of finite-order mapping classes(Abstract)
    Kashyap Rajeevsarathy
    IISER, Bhopal.

  • 20-03-19
    2.00 pm, Lecture Hall 6
    On the Hamiltonian formulation and integrability of the Rajeev-Ranken model(Abstract)
    T.R. Vishnu
    Chennai Mathematical Institute.

  • 19-03-19
    3:30 pm, Seminar Hall
    Introduction to Mapping Class Groups(Abstract)
    Kashyap Rajeevsarathy
    IISER, Bhopal.

  • 19-03-19
    2.00 pm, Seminar Hall
    Computation of the characteristic polynomial of certain threshold arrangements(Abstract)
    Balasubramanian A.R.
    Chennai Mathematical Institute.

  • 19-03-19
    2.00 pm, Lecture Hall 802
    BTZ dynamics and chaos(Abstract)
    Rohan Poojary
    Chennai Mathematical Institute.

  • 18-03-19
    3:30 pm, Seminar Hall
    Introduction to Mapping Class Groups(Abstract)
    Kashyap Rajeevsarathy
    IISER, Bhopal.

  • 18-03-19
    2.00 pm, Lecture Hall 801
    Scattering Amplitudes from Geometry of Polytopes
    Alok Laddha
    Chennai Mathematical Institute.

  • 15-03-19
    10:30, Seminar Hall
    On the computation of multilinear polynomials ---A walk-through Algebraic Complexity Theory and Beyond(Abstract)
    C Ramya
    Chennai Mathematical Institute.

  • 12-03-19
    2.00 pm, Lecture Hall 802
    Towards Singlet Spectrum in SYK-like Tensor Models(Abstract)
    K.V. Pavan Kumar
    IISc Bangalore.

  • 11-03-19
    2.00 pm, Lecture Hall 801
    Extremal surfaces, de Sitter entropy and entanglement in ghost systems(Abstract)
    K Narayan
    Chennai Mathematical Institute.

  • 06-03-19
    2.00 pm, Lecture Hall 5
    Conserved charges in asymptotically deSitter spacetimes(Abstract)
    P.B. Aneesh
    Chennai Mathematical Institute.

  • 28-02-19
    3:30 PM - 4:30 PM, LH 5
    Optimal Stopping: Prophets and Secretaries(Abstract)
    Ashish Chiplunkar
    EPFL Lausanne.

  • 28-02-19
    LECTURE SERIES ANNOUNCEMENT
    2.00 pm & 3:30 pm, Seminar Hall
    Hyperplane sections of K3 surfaces and Bridgeland stability(Abstract)
    Enrico Arbarello
    Universita di Roma "La Sapienza.

  • 21-02-19
    LECTURE SERIES ANNOUNCEMENT - every Tuesday and Thursday till early March
    3:30 pm, Seminar Hall
    Hyperplane sections of K3 surfaces and Bridgeland stability(Abstract)
    Enrico Arbarello
    Universita di Roma "La Sapienza.

  • 20-02-19
    3.30pm, Seminar Hall
    Some Lagrangian fibrations in algebraic geometry(Abstract)
    Enrico Arbarello
    Universita di Roma "La Sapienza", Italy.

  • 20-02-19
    LECTURE COURSE ANNOUNCEMENT
    30/01/19, 06/02/19, 13/02/19, 20/02/19 (Wednesdays); 3.15 pm; Lecture Hall 6
    An introduction to string perturbation theory(Abstract)
    Subhroneel Chakrabarti
    Institute of Mathematical Sciences, Chennai.

  • 19-02-19
    2:00 pm, Seminar Hall
    CMI Arts Initiative Lecture(Abstract)
    Mindy Gill and Jeet Thayil
    Writers in residence at Chennai Mathematical Institute.

  • 13-02-19
    3:30 pm, Seminar Hall
    Reductive groups over arithmetic surfaces and local-global principles(Abstract)
    Parimala Raman
    Emory University.

  • 13-02-19
    2:00 pm, Seminar Hall
    CMI Arts Initiative Lecture(Abstract)
    Francesca Marciano
    writer in residence at Chennai Mathematical Institute.

  • 13-02-19
    2.00 pm, Lecture Hall 5
    A method to test the binary black hole nature of the compact binary coalescence(Abstract)
    N.V. Krishnendu
    Chennai Mathematical Institute.

  • 12-02-19
    3.00 pm, Lecture Hall 6
    Classical and Quantum Results on logarithmic terms in Soft Graviton theorem
    Biswajit Sahoo
    HRI.

  • 11-02-19
    3:30 pm, Seminar Hall
    Two unsolved problems: Birkhoff–von Neumann graphs and PM-compact graphs(Abstract)
    Nishad Kothari
    Institute of Computing University of Campinas (UNICAMP), Brazil.

  • 08-02-19
    R.K. Rubugunday Distinguished Lecture
    2.00 pm, Seminar Hall
    R.P. Stanley’s solution of Anand-Dumir-Gupta Conjectures about Magic Squares(Abstract)
    J.K. Verma
    Indian Institute of Technology, Bombay.

  • 08-02-19
    12:00, Seminar Hall
    Efficient Dimensionality Reduction for Sparse Binary Data(Abstract)
    Rameshwar Pratap
    Wipro AI-Research.

  • 08-02-19
    10:30 am, Lecture Hall 5
    Very-Well Structured Transition Systems(Abstract)
    Alain Finkel
    LSV, CNRS & ENS Paris-Saclay.

  • 07-02-19
    2.00 pm, Lecture Hall 803
    Allowed region and uncertainty relations for angular momentum observables(Abstract)
    Arun Sehrawat
    HRI.

  • 06-02-19
    3:30 pm, Lecture Hall 803
    What is thinking in mathematics and computer science ?(Abstract)
    Alain Finkel
    LSV, CNRS & ENS Paris-Saclay.

  • 06-02-19
    3:30 pm, Seminar Hall
    Embeddings of contact and symplectic manifolds(Abstract)
    Dishant Pancholi
    Institute of Mathematical Sciences, Chennai.

  • 01-02-19
    11.30 am, Lecture Hall 6
    Asymptotic symmetries and soft theorems
    Miguel Campiglia
    University of Montevideo, Uruguay.

  • 30-01-19
    3:30 pm, Seminar Hall
    Quadrature domains in higher dimensions(Abstract)
    Pranav Haridas
    Chennai Mathematical Institute.

  • 30-01-19
    2.00 pm, Lecture Hall 5
    Periodic orbits and stability in the classical three-rotor problem(Abstract)
    Himalaya Senapati
    Chennai Mathematical Institute.

  • 25-01-19
    3.30 pm, Lecture Hall 6
    A generalised Korovkin’s Theorem(Abstract)
    Pradipta Bandyopadhyay
    Indian Statistical Institute, Kolkata.

  • 25-01-19
    2:00 pm, Seminar Hall
    Polynomial equivalence over rings(Abstract)
    Ramarathnam Venkatesan
    Cloud + AI, Microsoft.

  • 23-01-19
    3.30 pm, Lecture Hall 6
    Classification of regular subalgebras of affine Lie algebras(Abstract)
    R. Venkatesh
    IISc Bangalore.

  • 22-01-19
    2.00 pm, Lecture Hall 5
    Edge modes in Quantum Gravity and Gauge theory
    Marc Geiller
    ENS, Lyon.

  • 18-01-19
    10:30--11:45, Seminar Hall
    A 2-Approximation Algorithm for Weighted Feedback Vertex Set in Tournaments(Abstract)
    Geevarghese Philip
    Chennai Mathematical Institute.

  • 17-01-19
    2.00 pm, Seminar Hall
    On representation theory of partition algebras for complex reflection groups(Abstract)
    Ashish Mishra
    Visiting professor, Universidade Federal do Para.

  • 16-01-19
    3.30 p.m., Seminar Hall
    Higgs bundles and higher Teichmueller spaces(Abstract)
    Oscar Garcia-Prada
    ICMAT, Madrid.

  • 16-01-19
    2:00 pm, Seminar Hall
    Algebraic cycles and the rationality problem(Abstract)
    Kalyan Banerjee
    HRI.

  • 16-01-19
    9:30 am, Seminar Hall
    Modeling Distributed Algorithms by Local Computations with Applications(Abstract)
    Mohamed Mosbah
    LaBRI, University of Bordeaux.

  • 14-01-19
    12:00 noon, Seminar Hall
    Foundations for Natural Proofs and Quantifier Instantiation(Abstract)
    Madhusudan Parthasarathy
    University of Illinois at Urbana-Champaign.

  • 11-01-19
    3.30 pm, Lecture Hall 6
    Hecke operators and the coherent cohomology of Shimura varieties(Abstract)
    Najmuddin Fakhruddin
    TIFR.

  • 11-01-19
    10:45 am, Seminar Hall
    The Lovász Vector of a Graph, with Applications to Isomorphism Testing(Abstract)
    Gaurav Rattan
    RWTH Aachen, Germany.

  • 09-01-19
    3.30 pm, Lecture Hall 6
    Soldering freedom and BMS like transformations(Abstract)
    Srijit Bhattacharjee
    IIIT Allahabad.

  • 09-01-19
    3.30 pm, Seminar Hall
    The minimal model program and the work of Caucher Birkar(Abstract)
    Najmuddin Fakhruddin
    TIFR.

  • 09-01-19
    12:00 noon, Seminar Hall
    Code Variants and Their Retrieval(Abstract)
    Venkatesh Vinayakarao
    IIIT Sri City.

  • 04-01-19
    10:30--11:45, Seminar Hall
    The Parameterized Complexity of Network Design Problems(Abstract)
    Pranabendu Misra
    University of Bergen.

  • 03-01-19
    3:30 pm, Seminar Hall
    Gromov-Witten Theory and Virtual Fundamental Classes(Abstract)
    Mohan Swaminathan
    Princeton University.