Chennai Mathematical Institute
Seminars




Seminars for the year 2014
  • 10-12-14
    3.30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    Cut-offs in Parameterized Verification
    Parosh Aziz Abdulla
    Uppsala University, Sweden.

  • 05-12-14
    3.00 - 3.45 pm; 3.45 - 4.00 pm (break for coffee); 4.00 - 4.45 pm, Seminar Hall
    Found in Translation: Rediscovering Classical Indian Mathematics
    Glen Van Brummelen, Quest University, Canada, Clemency Montelle, University of Canterbury, New Zealand, Kim Plofker, Union College, Schenectady, NY, USA, Gautami Bhowmik, Lille University, France


  • 03-12-14
    3.30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    Algebraic and other approximations of trigonometric functions in 12th-century Sanskrit astronomy
    Kim Plofker
    Union College, Schenectady, NY, USA.

  • 28-11-14
    2.00 pm, Seminar Hall
    QPTAS for Set Cover in geometric settings
    Rajiv Raman
    IIIT, Delhi.

  • 27-11-14
    3:30 pm, NKN Hall
    Higher-order Fourier analysis and applications
    Arnab Bhattacharyya
    IISc, Bangalore.

  • 27-11-14
    11:30 am, Lecture Hall 6
    PUBLIC VIVA-VOCE NOTIFICATION
    Some problems in sublinear algorithms
    Rameshwar Pratap Yadav
    Chennai Mathematical Institute.

  • 24-11-14
    12:00-1:00 pm, Lecture Hall 3
    Parameterized Complexity of CTL: A Generalization of Courcelle's Theorem
    Arne Meier
    Leibniz University, Hannover, Germany.

  • 20-11-14
    2:00 pm, Lecture Hall 5
    Verifying Synchronous Reactive Systems using Lazy Abstraction
    Kumar Madhukar
    TRDDC Pune and Chennai Mathematical Institute.

  • 20-11-14
    2.00 pm, Lecture Hall 3
    Cohomology of Schubert varieties and beyond
    K Paramasamy
    University of Toledo, USA.

  • 19-11-14
    3:30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    Modal Independence Logic
    Heribert Vollmer
    Univ. of Hannover, Germany.

  • 18-11-14
    2:00 pm, Seminar Hall
    Exploring parameterised complexity in computational topology
    Benjamin Burton
    Computational Geometry & Topology Group, University of Queensland, Australia.

  • 17-11-14
    3:30 pm, Seminar Hall
    Combinatorial identities arising from representation theory of affine Lie algebras using vertex-operator-theoretic techniques
    Debajyoti Nandi


  • 17-11-14
    2:00 pm, Seminar Hall
    Untangling knots using combinatorial optimisation
    Benjamin Burton
    Computational Geometry & Topology Group, University of Queensland, Australia.

  • 12-11-14
    3:30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    Mutual Information in One-Shot
    Jaikumar Radhakrishnan
    TIFR, Mumbai.

  • 10-11-14
    3:45 pm, Seminar Hall
    Results on metric fixed point theory
    T Esakkiappan


  • 05-11-14
    3:30 pm, Seminar Hall
    Some wighted zero sum problems
    Bhavin Moriya
    Chennai Mathematical Institute.

  • 30-10-14
    3:30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    The watchmaker's apprentice: building a synthetic genetic oscillator with parts borrowed from nature
    Mukund Thattai
    National Centre for Biological Sciences, Bangalore.

  • 29-10-14
    3:30 pm, Seminar Hall
    Schur-Weyl duality, diagram algebras and cellular algebras
    T. Geetha
    Chennai Mathematical Institute.

  • 28-10-14
    2.00 pm, Lecture Hall 3
    Renormalization group, secular term resummation and AdS (in)stability
    Oleg Evnin
    Chulalongkorn U. Bangkok.

  • 10-10-14
    3.30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    The ternary Goldbach conjecture
    R. Balasubramanian
    Director, Institute of Mathematical Sciences, Chennai.

  • 08-10-14
    3:30 pm, Seminar Hall
    CMI Silver Jubilee Lecture
    Approximate analysis of hybrid systems
    P S Thiagarajan
    National University of Singapore.

  • 25-09-14
    2.00 pm, Lecture Hall 4
    Non-perturbative and perturbative non-Fermi Liquids
    Shouvik Sur
    McMaster U.

  • 17-09-14
    3.30 pm, Seminar Hall
    QFT on manifolds with boundary: Edge states, Horizon states and stability
    T.R. Govindarajan
    Chennai Mathematical Institute.

  • 05-09-14
    2 pm, Seminar Hall
    Two applications of van der Waerden's theorem and some related questions
    Sukumar Das Adhikari
    Harish-Chandra Research Institute.

  • 04-09-14
    3.30 p.m., Seminar Hall
    CMI Silver Jubilee Lecture
    Feynman path integrals in the finite dimensional case and applications
    Prof. David Mumford
    Professor Emeritus of Applied Mathematics
    Brown University, U.S.A.

  • 03-09-14
    3.30 p.m. - 4.30 p.m., Seminar Hall
    CMI Silver Jubilee Lecture
    Mathematical Models of the Heavens: from yugas to chaos
    K. Madhava Sarma Memorial Distinguished Lecture
    Prof. David Mumford

    Professor Emeritus of Applied Mathematics
    Brown University, U.S.A.

  • 02-09-14
    3.30 p.m., Seminar Hall
    CMI Silver Jubilee Lecture
    Information theory and the analysis of language
    Prof. David Mumford
    Professor Emeritus of Applied Mathematics
    Brown University, U.S.A.

  • 20-08-14
    4:00 pm to 4:25 pm, Seminar Hall
    Division in Arithmetic circuits
    Nikhil Balaji
    Chennai Mathematical Institute.

  • 20-08-14
    3:30 pm to 3:55 pm, Seminar Hall
    On the Limits of Depth Reduction at Depth 3 Over Small Finite Fields
    Suryajith Chillara
    Chennai Mathematical Institute.

  • 13-08-14
    3:30 pm, Seminar Hall
    On Frobenius conjugacy class of some algebraic varieties over number fields
    Abhijit Laskar
    University of Regensburg, Germany.

  • 06-08-14
    3:30 pm, Seminar hall
    The u-invariant of function fields Prof R. Parimala
    Emory University.

  • 05-08-14
    3:30 pm, Seminar hall
    Introduction to Arithmetic Geometry
    Ashwin Deopurkar
    Columbia University.

  • 04-08-14
    3:30 pm, Seminar Hall
    Raising The Level For Automorphic Forms
    Aditya Karnataki
    Boston University.

  • 30-07-14
    2.00 pm, Lecture Hall 1
    Bivariant homology theories for noncommutative spaces
    Snigdhayan Mahanta
    University of Muenster.

  • 30-07-14
    12.00 noon, Lecture Hall 1
    Introduction to Schramm Loewner evolutions (SLE)
    Atul Shekhar
    Technical University, Berlin.

  • 25-07-14
    11:30 am, Lecture Hall 5
    On Rigorous Analysis of Factoring Algorithms
    Ramarathman Venkatesan
    Microsoft Research.

  • 17-07-14
    2.00 pm, Lecture Hall 1
    Arithmetic Jet Spaces and Differential Modular Forms
    Arnab Saha
    Australian National University.

  • 15-07-14
    11:30-12:50, Lecture Hall 1
    Toric Deligne-Mumford Stacks
    Anwesh Ray
    Chennai Mathematical Institute.

  • 15-07-14
    3.00 pm, Lecture Hall 6
    Rank-level duality and Conformal Blocks divisors on \bar{M}_{0,n}
    Swarnava Mukhopadhyaya
    University of Maryland.

  • 14-07-14
    3.00 pm, Lecture Hall 6
    Rank-level duality for conformal blocks of type so(2m+1)
    Swarnava Mukhopadhyaya
    University of Maryland.

  • 14-07-14
    11:30 am - 12:50 pm, Lecture Hall 1
    An Introduction to Algebraic Spaces and Stacks II
    Yashonidhi Pandey
    .

  • 10-07-14
    11:30 am - 12:50 pm, Lecture Hall 1
    An Introduction to Algebraic Spaces and Stacks
    Yashonidhi Pandey
    .

  • 04-07-14
    3:30-5:00 pm, Sminar Hall
    Rationality questions about principal bundles (Part 3) M.S. Raghunathan
    Head NCM, IIT Bombay.

  • 02-07-14
    3:30-5:00 pm, Sminar Hall
    Rationality questions about principal bundles (Part 2) M.S. Raghunathan
    Head NCM, IIT Bombay.

  • 30-06-14
    3:30-5:00 pm, Sminar Hall
    Rationality questions about principal bundles (Part 1) M.S. Raghunathan
    Head NCM, IIT Bombay.

  • 23-06-14
    11:50-1:05, Lecture Hall 1
    Floer cohomology Ankit Rai
    Chennai Mathematical Institute.

  • 19-06-14
    2:00-3:30 pm, Lecture Hall 6, MSc Thesis Defence
    Boij-Soederberg Theory Suprajo Das
    Chennai Mathematical Institute.

  • 18-06-14
    11:30 am, Lecture Hall 1, Thesis Defence
    Tropical Geometry and its Applications to Algebraic Geometry Akash Sengupta
    Chennai Mathematical Institute.

  • 13-05-14
    11.30 am, Sminar Hall
    A bit of arithmetic circuits : computation and complexity
    Nikhil Balaji
    Chennai Mathematical Institute.

  • 02-05-14
    PUBLIC VIVA-VOCE NOTIFICATION
    2:00 pm, Lecture Hall 6
    Hitchin pairs on a singular curve
    Pabitra Barik
    Chennai Mathematical Institute.

  • 25-04-14
    12 noon, Seminar Hall
    Toward a new way of computing Gromov-Witten invariants
    Robert Silversmith
    University of Michigan, Ann Arbor, USA.

  • 25-04-14
    11 am, Seminar Hall
    Moduli Spaces of maps between genus-zero curves, with specified ramification
    Rohini Ramadas
    University of Michigan, Ann Arbor, USA.

  • 11-04-14
    2.00 pm, Seminar Hall
    What can Gravitational Waves tell us about Short Gamma Ray Bursts
    K.G. Arun
    Chennai Mathematical Institute.

  • 09-04-14
    2.00 pm, Lecture Hall 4
    Limit Mixed Hodge Structures (Part 2)
    T.R. Ramadas
    Chennai Mathematical Institute.

  • 04-04-14
    2-3:30 pm, Lecture Hall 1
    Limit Mixed Hodge Structures (Part 1)
    T.R. Ramadas
    Chennai Mathematical Institute.

  • 03-04-14
    3:30 pm, Seminar Hall
    Three Lectures
    One motivation for categorical representation theory (Third Lecture - Colloquium)
    Sergey Arkhipov
    University of Aarhus, Denmark.

  • 02-04-14
    3.30 pm, Seminar Hall
    Survival Analysis Models in Credit Risk (Talk followed by a short presentation about analytics in Ford and a Q & A session)
    T.P.M. Fareed
    Ford Motor Credit Company, Chennai.

  • 02-04-14
    2:00 pm, Lecture Hall 4
    Three Lectures
    Introduction to Geometric Representation Theory 2 (Second Lecture)
    Sergey Arkhipov
    University of Aarhus, Denmark.

  • 01-04-14
    2:00 pm, Seminar Hall
    Three Lectures
    Introduction to geometric representation theory 1 (First Lecture)
    Sergey Arkhipov
    University of Aarhus, Denmark.

  • 26-03-14
    3:30 pm, Seminar Hall
    The origins of the axiomatic method: the conceptual framework of Aristotle's logic
    Sriram Nambiar


  • 26-03-14
    2:00 pm, Lecture Hall 4
    Equivariant Pieri rules for Isotropic Grassmannians
    Vijay Ravikumar
    TIFR, Mumbai.

  • 26-03-14
    11 am, Seminar Hall
    On the detection of the imprints of primordial gravitational waves on the CMB by BICEP2
    L. Sriramkumar
    IIT Madras.

  • 25-03-14
    3.30 PM, Seminar Hall
    Incompatibility and complementarity in quantum information theory
    Prabha Mandayam
    Institute of Mathematical Sciences, Chennai.

  • 24-03-14
    2:00 pm, Seminar Hall
    Central limit theorems for some random simplicial complexes
    Yogeshwaran
    Technion - Israel Institute of Technology, Israel.

  • 23-03-14
    2.00 pm, NKN Hall
    Power and Limitations of Opinion Polls
    Rajeeva Karandikar
    Chennai Mathematical Institute.

  • 23-03-14
    Physics Colloquium (Part of the CMI-Fiesta student festival activities)
    11 am, NKN Hall
    Search for a unified theory Ashoke Sen
    Harish-Chandra Research Institute, Allahabad.

  • 21-03-14
    2.00 pm, Seminar Hall
    The category $\mathcal O$ for quantum groups
    Henning Haahr Andersen
    University of Aarhus, Denmark.

  • 20-03-14
    3.30. pm, Seminar Hall
    Tilting modules for algebraic groups and quantum groups
    Henning Haahr Andersen
    University of Aarhus, Denmark.

  • 20-03-14
    2.00 pm, Seminar Hall
    Automorphism group of a Bott-Samelson variety
    B. Narasimha chary
    Chennai Mathematical Institute.

  • 19-03-14
    3.30 pm, Seminar Hall
    A frequency domain approach for the estimation of parameters of spatio-temporal stationary random processes
    Sourav Das
    Postdoc Fellow, National University of Singapore.

  • 19-03-14
    2.00 pm, Lecture Hall 4
    Quantum analogues of cohomology of line bundles on flag manifolds
    Henning Haahr Andersen
    University of Aarhus, Denmark.

  • 18-03-14
    3.30 pm, Seminar Hall
    Fernando-Mathieu classification of simple weight modules for quantum groups
    Dennis Hasselstrom Pedersen
    University of Aarhus, Denmark.

  • 18-03-14
    2.00 pm, Seminar Hall
    Fusion rings for quantum groups
    Troels Bak Andersen
    University of Aarhus, Denmark.

  • 17-03-14
    2.00 pm, Seminar Hall
    Introduction to quantum groups
    Troels Bak Andersen
    University of Aarhus, Denmark.

  • 13-03-14
    3:30 pm, Seminar Hall
    Inverse monoids and immersions of CW-complexes
    John Meakin
    Univresity of Nebraska-Lincoln, USA.

  • 12-03-14
    3.30 PM, Seminar Hall
    The Superposition Principle in Quantum Mechanics - did the rock enter the foundation surreptitiously?
    N.D. Hari Dass
    Chennai Mathematical Institute.

  • 11-03-14
    3.30 PM, Seminar Hall
    A pedagogical re-take on the spectral theorem
    V.S. Sunder
    Institute of Mathematical Sciences, Chennai.

  • 07-03-14
    3.30 pm, Lecture Hall 6
    Partial compactifications of Loop groups and moduli of $G$-bundles on curves
    Pablo Solis
    University of California, Berkeley.

  • 07-03-14
    2 pm -- 3.15 pm, Seminar Hall
    Lecture Series on the Algebraic Theory of Languages
    Algebraic theory of languages: Quantifier Alternation Hierarchy within FO(2) over Words.
    Pascal Weil
    CNRS and Universite de Bordeaux, France.

  • 06-03-14
    3:30 pm, Seminar Hall
    Scattering amplitude structures in higher spin theories
    Sudarshan Ananth
    IISER Pune.

  • 06-03-14
    2 pm -- 3.15 pm, Seminar Hall
    Lecture Series on the Algebraic Theory of Languages
    Algebraic theory of languages: Quantifier Alternation Hierarchy within FO(2) over Words.
    Pascal Weil
    CNRS and Universite de Bordeaux, France.

  • 05-03-14
    3.30-4.30 pm, Seminar Hall
    K. Lakshmanan Memorial Distinguished Lecture
    About the lattice of finitely generated subgroups of a free group
    Pascal Weil
    LaBRI, CNRS and University of Bordeaux, France.

  • 04-03-14
    2 pm -- 3.15 pm, Seminar Hall
    Lecture Series on the Algebraic Theory of Languages
    Algebraic theory of languages: Quantifier Alternation Hierarchy within FO(2) over Words.
    Pascal Weil
    CNRS and Universite de Bordeaux, France.

  • 26-02-14
    3:30 pm, Seminar Hall
    Some topics in Submodular Optimization - a survey
    Dr. Sambuddha Roy
    IBM Research, New Delhi.

  • 25-02-14
    3:30 pm, Seminar Hall
    On Graph Density
    Dr. Sambuddha Roy
    IBM Research, New Delhi.

  • 25-02-14
    2.00 pm, NKN Hall
    The Power of Priority Channel Systems
    Philippe Schnoebelen
    CNRS and ENS Cachan, France.

  • 21-02-14
    3.30-4.30 pm, Seminar Hall
    R.K. Rubugunday Distinguished Lecture
    The girth of graphs and the limits of two bit probes
    Jaikumar Radhakrishnan
    TIFR, Mumbai.

  • 20-02-14
    12 noon, Lecture Hall B
    Torelli-Tate type theorem for elliptic surfaces
    C.S. Rajan
    TIFR, Mumbai.

  • 19-02-14
    2.00 pm, NKN Hall
    The Power of Well-Structured Systems
    Philippe Schnoebelen
    CNRS and ENS Cachan, France.

  • 14-02-14
    2:00 pm, Seminar Hall
    Reading from her work
    Karen Jennings
    Writer.

  • 13-02-14
    12.00 noon, NKN Hall
    Some Applications of G_a-actions on Affine Varieties
    Amartya Kumar Dutta
    ISI, Calcutta.

  • 12-02-14
    3.30 pm, NKN Hall
    History of Galois Theory
    Amartya Kumar Dutta
    ISI, Calcutta.

  • 12-02-14
    3:30 PM, Seminar Hall
    First Selection Lemma for Various Geometric Objects
    Pradeesha Ashok
    The Department of Computer Science and Automation, IISc.

  • 12-02-14
    12:00 noon, Seminar Hall
    When is a formula invariant?
    Deepak Kapur
    University of New Mexico, USA.

  • 11-02-14
    2:00 pm, Seminar Hall
    Verifying Eventual Consistency of Optimistic Replication Systems
    Constantin Enea
    LIAFA, Univ. Paris Diderot - Paris 7.

  • 31-01-14
    2:00 pm, Seminar Hall
    Reading from his work
    Jeremy Tiang
    Singaporean writer and translator.

  • 30-01-14
    3.15 pm, Seminar Hall
    Quantum algebraic geometric Satake without tears Ben Elias
    MIT.

  • 30-01-14
    2 pm - 3 pm, Seminar Hall
    Perverse sheaves for dummies Ben Elias
    MIT.

  • 28-01-14
    3:30 pm, Seminar hall
    On the boundaries of the Arnold tongues
    Kuntal Banerjee
    HRI, Allahabad.

  • 22-01-14
    3.30 pm, Seminar Hall
    An introduction to Donaldson-Thomas invariants
    Barbara Fantechi
    SISSA, Trieste, Italy.

  • 22-01-14
    3.30 pm, Lecture Hall 6
    Honing priors - Bayesians' outlook on scientific judgements
    M. Subbiah
    Department of Mathematics, L N Government College Ponneri.

  • 17-01-14
    2:00 pm, Seminar Hall
    Reading from his work
    Jeremy Tiang
    Singaporean writer and translator.

  • 13-01-14
    2.00 pm, Seminar Hall
    Transverse-momentum Resummation Harikrishnan Ramani
    SUNY Stony Brook.

  • 13-01-14
    12 noon, Seminar hall
    Subadditivity of Maximal shifts in Free Resolutions
    Hema Srinivasan
    University of Missouri.

  • 10-01-14
    2.00 PM, Seminar Hall
    Introduction of T_{ik}: Einstein’s Real‘Biggest Blunder’?
    Ram Gopal Vishwakarma
    Zacatecas University, Mexico.

  • 09-01-14
    3.30 pm, Seminar Hall
    Are we analyzing microbiome data correctly? CoMicZ: A novel statistical framework to characterize microbial composition
    Siddhartha Mandal
    Department of Genes and Environment, Norwegian Institute of Public Health, Oslo, Norway.

  • 08-01-14
    2.00 pm, Seminar Hall
    On the Approximability of the Maximum Acyclic Subgraph problem
    Rajsekar Manokaran
    Theoretical Computer Science Group at KTH, Sweden.

  • 07-01-14
    2.00 pm, NKN Hall
    Theoretical Connections between Convex Optimization and Active Learning
    Aaditya Ramdas
    Carnegie Mellon University.

  • 07-01-14
    2.00-3.00, Seminar Hall
    Skein theory for finite depth sub-factor planar algebra
    Srikanth Tupurani
    A former Ph.d student from Institute of Mathematical Sciences, Chennai.

  • 06-01-14
    3.30pm, Seminar Hall
    Spin physics of new materials Shreyas Patankar
    UC Berkeley.