# Thursdays Colloquium

#### Videos and slides of Colloquiums where speakers' name has a * are available here

Date | Talk details | ||

Sep. 23, 2021 | Digjoy Paul | TIFR | Schur--Weyl dualities and Partition algebras |

Aug. 26, 2021 | Karl Schwede | University of Utah | Mixed characteristic birational algebraic geometry |

Jul. 15, 2021 | Radhika Gupta | Temple University, USA | From buildings to factor complex |

Jun. 4, 2021 | V. Vinay Kumaraswamy | TIFR | The Erdos-Kac theorem: an introduction to probabilistic number theory |

May 31, 2021 | Tanmay Deshpande | TIFR | The Springer Correspondence |

May 28, 2021 | Anand Sawant | TIFR | Quadratic forms and their invariants |

May 24, 2021 | Omprokash Das | TIFR | Bezout's Theorem for plane curves |

May 20, 2021 | Swarnava Mukhopadhyay | TIFR | Frobenius Algebras and WDVV equations |

Apr. 15, 2021 | Mahan Mj | TIFR | Combining rational maps and Kleinian groups via orbit equivalence |

Mar. 25, 2021 | Jiyoung Han | TIFR | On the distribution of S-integral lattice points under isotropic quadratic forms |

Mar. 18, 2021 | Subhajit Goswami | TIFR | Level-sets of correlated Gaussian processes: connectivity and local geometry |

Feb. 25, 2021 | Anusha Mangala Krishnan | Syracuse University, USA | Prescribing Ricci curvature on a product of spheres |

Feb. 18, 2021 | Charanya Ravi | University of Regensburg, Germany | Algebraic K-theory of stacks |

Feb. 11, 2021 | Vinay Kumaraswamy | TIFR, Mumbai | Intrinsic diophantine approximation on $S^3$ and sums of Kloosterman sums |

Feb. 4, 2021 | Jai Laxmi | TIFR, Mumbai | Structure of finite free resolutions |

Jan. 21, 2021 | Jacques Tilouine | Universite Sorbonne Paris Nord | Derived deformation rings and adjoint Selmer groups for GL_N over a CM field |

Jan. 14, 2021 | Srimathy Srinivasan | University of Colorado, USA | Finiteness theorems on algebraic groups with good reduction |

Dec. 10, 2020 | Prasit Bhattacharya | University of Notre Dame | The stable Adams conjecture |

Dec. 2, 2020 | Burt Totaro | University of California, Los Angeles, USA | The Hilbert scheme of points on affine space |

Nov. 26, 2020 | Pavel Etingof* | Massachusetts Institute of Technology, USA | Representation theory without vector spaces |

Nov. 12, 2020 | Ravi Raghunathan | IIT, Bombay | Classifying $L$-functions of (very) low degree |

Nov. 5, 2020 | Anoop Singh | TIFR, Mumbai | Relative holomorphic connections and moduli space of logarithmic connections singular over a finite |

Oct. 29, 2020 | Bidisha Roy | TIFR, Mumbai | Torsion groups of Mordell curves over number fields |

Oct. 22, 2020 | Soumyadip Das | TIFR, Mumbai | The Inertia Conjecture and Its Generalizations |

Oct. 15, 2020 | Pradeep Das | TIFR, Mumbai | K"ahler Geometry of Moduli of Representations of Quivers |

Oct. 8, 2020 | Pinakinath Saha | TIFR, Mumbai | Automorphism groups of Schubert varieties and rigidity of Bott-Samelson-Demazure-Hansen varieties |

Oct. 1, 2020 | Shamgar Gurevich | University of Wisconsin, USA | Harmonic Analysis on GLn over Finite Fields |

Jul. 30, 2020 | Bharathwaj Palvannan* | National Center for Theoretical Sciences, Taiwan | Codimension two cycles in Iwasawa theory |

Jul. 23, 2020 | Debargha Banerjee* | IISER Pune | The Eisenstein cycles and Manin-Drinfeld properties |

Jul. 16, 2020 | Ved Datar* | IISC, Bangalore | Non-linear partial differential equations and positivity conditions in algebraic geometry |

Jul. 9, 2020 | Mainak Podder* | IISER Pune | A Floer theory for toric orbifolds |

Jul. 2, 2020 | Atul Dixit* | IIT Gandhinagar | Superimposing theta structure on a generalized modular relation |

Jun. 25, 2020 | Gangotryi Sorcar* | Hebrew University of Jerusalem, Israel | Some complex structures on product of 2-spheres |

Jun. 18, 2020 | Amritanshu Prasad* | The Institute of Mathematical Sciences, Chennai | On the restriction of polynomial representations of GL(n) to S(n) |

Jun. 12, 2020 | Christopher Hacon* | University of Utah, USA | Geometry of Complex Algebraic Varieties |

Jun. 8, 2020 | Cristian Martinez* | Universidad del Norte Barranquilla, Colombia | Stability Conditions and Applications |

May 28, 2020 | Sabyasachi Mukherjee* | TIFR, Mumbai | A New Link between Rational Dynamics and Kleinian Groups |

May 21, 2020 | Praveen Kumar Roy* | TIFR, Mumbai | Seshadri Constant on Surfaces |

May 14, 2020 | Shraddha Srivastava* | TIFR, Mumbai | On internal tensor products of representations of the general linear group and the symmetric group |

May 7, 2020 | Nabanita Ray | TIFR, Mumbai | Weyl and Zariski Chambers on Projective Surfaces |

Mar. 19, 2020 | Snehajit Misra | TIFR, Mumbai | Ampleness of vector bundles |

Mar. 12, 2020 | Uday Bhaskar Sharma | TIFR, Mumbai | Commuting Probability and Simultaneous Conjugacy |

Mar. 5, 2020 | Mohan Kumar | Washington University in St. Louis | A brief survey of problems on complete intersections |

Feb. 13, 2020 | Yann Bugeaud | Universite de Strasbourg | On the decimal expansion of log (2020/2019) and e |

Jan. 16, 2020 | Siddhartha Gadgil | Indian Institute of Science, Banagalore | Lengths on Free groups |

Jan. 2, 2020 | Richard Wentworth | University of Maryland | On moduli space of Higgs bundles on Riemann surfaces |

Nov. 28, 2019 | Oishee Banerjee | Hausdorff Center of Mathematics (Bonn) | Cohomology of the space of polynomial morphisms on mathbb{A}^1_K with prescribed ramifications |

Oct. 31, 2019 | Agustin Romano | TIFR, Mumbai | Reflexive modules on normal Gorenstein Stein surfaces, their deformations and moduli. |

Oct. 24, 2019 | Tathagata Basak | Iowa State University, U.S.A. | Fundamental group of a complex ball quotient |

Oct. 17, 2019 | Dali Shen | TIFR, Mumbai | Geometric structures on arrangement complements |

Oct. 3, 2019 | Nitin Nitsure | TIFR, Mumbai | Curvature, torsion and the quadrilateral gaps |

Sep. 19, 2019 | Marcelo Viana | IMPA, Brazil | Two issues in partially hyperbolic dynamics |

Jul. 4, 2019 | Szilard Szabo | Budapest University of Technology and Economics | Logarithmic opers and Hilbert schemes of points on ruled surfaces |

Jun. 20, 2019 | Poornapushkala Narayanan | TIFR, Mumbai | Stability of Lazarsfeld-Mukai bundles |

Jun. 13, 2019 | Jeff Adler | American University, Washingon DC, USA | Self-dual cuspidal and supercuspidal representations |

May 16, 2019 | R. Parimala | Emory University, U.S.A. | Local-global principle for reductive groups over arithmetic surfaces |

May 9, 2019 | Moni Kumari | TIFR, Mumbai | Non-vanishing of Hilbert Poincare series |

Apr. 25, 2019 | Debanjan Nandi | TIFR, Mumbai | A large intersection property and applications |

Apr. 18, 2019 | Ralf Koehl | Justus Liebig University Giessen, Germany | The geometry of Kac-Moody groups |

Apr. 11, 2019 | Gian Pietro Pirola | University of Pavia, Italy | On the local geometry of the Torelli locus |

Mar. 14, 2019 | Takao Yamazaki | Tohoku University, Japan | Mixed Hodge structures with modulus and 1-motives |

Mar. 7, 2019 | Shinichi Kobayashi | Kyushu University, Japan | Anticyclotomic Iwasawa theory and integral Perrin-Riou twists |

Mar. 5, 2019 | Abhinav Kumar | Stony Brook University, USA | Sphere packing, energy minimization, and modular forms |

Feb. 28, 2019 | Vincent Pilloni | Ecole normale superieure de Lyon, France | On the Hasse-Weil conjecture |

Feb. 22, 2019 | Chiranjib Mukherjee | University of M?nster, Germany | Gaussian multiplicative chaos on the Wiener space and the KPZ equation |

Feb. 21, 2019 | Arnaldo Nogueira | Institut de Mathematiques de Marseille, France | Dynamics of 2-interval piecewise linear contraction maps and Hecke-Mahler series |

Feb. 14, 2019 | Sugata Mondal | TIFR, Mumbai | On the Hot spots conjecture for Euclidean triangles |

Feb. 7, 2019 | Swarnava Mukhopadhyay | TIFR, Mumbai | Derived category of moduli of vector bundles on curves |

Jan. 31, 2019 | Yashonidhi Pandey | TIFR, Mumbai | Brauer group of moduli of torsors under Bruhat-Tits group scheme $mathcal{G}$ over a curve. |

Jan. 24, 2019 | Franz Pedit | University of Massachusetts, U.S.A. | Gradient flows of geometric variational problems: the elastic curve flow |

Jan. 17, 2019 | Christopher Woodward | Rutgers University, U.S.A. | Mirror symmetry and Lagrangian Floer cohomology |

Jan. 10, 2019 | Mayukh Mukherjee | IIT, Mumbai | Asymptotic estimates on the geometry of Laplace eigenfunctions |

Jan. 3, 2019 | Shrawan Kumar | University of North Carolina, USA | Conformal blocks for Galois covers of algebraic curves |

Dec. 27, 2018 | Mitra Koley | TIFR, Mumbai | F-rationality of Rees algebras |

Dec. 20, 2018 | Nivedita Bhaskhar | UCLA, USA | Reduced Whitehead groups of algebras |

Dec. 6, 2018 | Ramesh Gangolli | University of Washington | Some unpublished work of Harish-Chandra |

Nov. 29, 2018 | Shaunak V. Deo | TIFR, Mumbai | Universal deformations of dihedral representations |

Nov. 22, 2018 | Ananya Chaturvedi | TIFR, Mumbai | On Holomorphic Sectional Curvature and Fibration |

Nov. 15, 2018 | U. K. Anandavardhanan | IIT, Mumbai | Mod p representations of GL(2,F) |

Nov. 8, 2018 | G. A. Swarup | University of Melbourne, Australia | Revisiting Johannson's Deformation Theorem |

Nov. 1, 2018 | Pablo Pelaez | Universidad Nacional Autonoma de Mexico | A triangulated approach to the Bloch-Beilinson filtration |

Oct. 25, 2018 | Arvind Kumar | TIFR, Mumbai | Certain identities among eigenforms |

Oct. 18, 2018 | Amir Parsa | TIFR, Mumbai | Spin geometry in Kac-Moody theory |

Oct. 11, 2018 | M.M. Radhika | TIFR, Mumbai | Congruence Subgroup Problem; A Survey. |

Sep. 27, 2018 | Arghya Mondal | TIFR, Mumbai | Components of harmonic Poincare duals of special cycles |

Sep. 6, 2018 | Mihir Sheth | TIFR, Mumbai | Locally analytic group action on the Lubin-Tate moduli space |

Aug. 30, 2018 | T.N. Venkataramana | TIFR, Mumbai | Gauss hypergeometric functions and Lauricella Functions |

Aug. 23, 2018 | Saurabh Kumar Singh | Indian Statistical Institute, Kolkata | Sub-convexity problems: Some history and recent developments |

Jul. 5, 2018 | Jeff Adler | IISER, Pune | Multiplicity upon restriction to the derived subgroup |

Jun. 7, 2018 | Sabyasachi Mukherjee | Stony Brook University, USA | Dynamics of Schwarz reflections: mating polynomials with groups |

May 10, 2018 | A. Sankaranarayanan | TIFR, Mumbai | Riemann zeta-function and some conjectures |

Apr. 5, 2018 | Gunja Sachdeva | TIFR | An Automorphic translation of Deligne's conjecture: Special values of L-functions for GL(n) x GL(m) |

Mar. 15, 2018 | Takuro Mochizuki | Kyoto University, Japan | Periodic monopoles and difference modules |

Mar. 8, 2018 | Madhusudan Manjunath | IIT, Mumbai | Riemann-Roch, Graphs, Lattices and Free Resolutions |

Mar. 1, 2018 | M. Vanninathan | IIT, Mumbai | Optimal Design Problems and Beyond |

Feb. 22, 2018 | Seonhee Lim | Seoul National University | Hausdorff dimension in inhomogeneous Diophantine approximation |

Feb. 15, 2018 | Mikhail Borovoi | Tel Aviv University , Israel | Cayley groups |

Feb. 8, 2018 | Michael Barany | Dartmouth College, USA | Making a Global Mathematician |

Jan. 25, 2018 | Wilfried Schmid | Harvard University, USA | Hodge theory and unitary representations of reductive groups |

Jan. 23, 2018 | Maria Esteban | C.N.R.S. Université Paris-Dauphine | Rigidity, nonlinear flows and optimal symmetry for extremals of functional inequalities |

Jan. 18, 2018 | Vincent Secherre | Universite de Versailles Saint-Quentin, France | Linked representations of finite and p-adic general linear groups |

Jan. 11, 2018 | Ved Datar | University of California, Berkeley | Kahler-Einstein metrics on Fano manifolds |

Jan. 4, 2018 | Subham Sarkar | TIFR, Mumbai | Extension of Mixed Hodge structures and Special values of Hypergeometric functions |

Dec. 21, 2017 | Laurent Fargues | Institut de Mathematiques de Jussieu, France | p-adic symmetric spaces |

Dec. 14, 2017 | Michel Waldschmidt | Institut de Mathematiques de Jussieu, France | Two invariants related to two conjectures due to Nagata |

Dec. 7, 2017 | Efim Zelmanov | University of California, USA | Infinite dimensional superalgebras and their representations |

Nov. 30, 2017 | Patrice Philippon | Institut de Mathématiques de Jussieu, France | Arithmetic geometry of toric varieties |

Nov. 23, 2017 | Tohru Kohrita | TIFR, Mumbai | The representability of motivic cohomology |

Nov. 16, 2017 | Hengfei Lu | TIFR, Mumbai | The Prasad conjecture for PGSp(4) |

Nov. 9, 2017 | Kalyan Banerjee | TIFR, Mumbai | Involutions on algebraic surfaces and algebraic cycles |

Nov. 2, 2017 | Ashwin Deopurkar | TIFR, Mumbai | Tropical geometry of curves |

Oct. 12, 2017 | R.V. Gurjar | IIT, Mumbai | Generalized Jacobian Conjecture |

Sep. 28, 2017 | Pranav Pandit | University of Vienna, Austria | From extremal metrics and gradient flows to categorical Kähler geometry |

Sep. 14, 2017 | Anand Sawant | University of Munich, Germany | Central extensions and A^1-fundamental groups |

Aug. 24, 2017 | Biswajyoti Saha | TIFR, Mumbai | Multiple Stieltjes constants |

Aug. 17, 2017 | Ekata Saha | TIFR, Mumbai | Transcendence of certain infinite series |

Aug. 10, 2017 | Thomas Koberda | University of Virginia, USA | The free product structure of diffeomorphism groups |

Aug. 3, 2017 | Sugata Mondal | Indiana University, Bloomington, USA | Small Eigenvalues of Riemannian surfaces |

Jul. 13, 2017 | Florian Sprung | Princeton University, USA | Elliptic curves and the Birch and Swinnerton-Dyer conjecture |

Jul. 6, 2017 | Rohit Nagpal | University of Chicago, USA | Representation stability and FI-modules |

May 25, 2017 | Jaikrishnan Janardhanan | Indian Institute of Technology, Madras | Finiteness Theorems for Holomorphic Mappings from Products |

Apr. 27, 2017 | Mahan Mj | TIFR | Motions of limit sets |

Apr. 20, 2017 | Sang-hyun Kim | Seoul National University | Obstruction for a virtual C^2 action on the circle |

Apr. 6, 2017 | Nishant Chandgotia | Tel Aviv University, Israel | Irrational rotations, random affine transformations and the central limit theorem |

Mar. 23, 2017 | Saradha Natarajan | TIFR | ErdH{o}s- Selfridge superelliptic curves and their rational points |

Mar. 9, 2017 | S. Eswara Rao | TIFR, Mumbai | Generalized Casimir Operators |

Mar. 2, 2017 | Kathleen Petersen | Florida State University, USA | Character varieties of 3-manifolds |

Feb. 23, 2017 | Tanmay Deshpande | TIFR, Mumbai | Character sheaves on algebraic groups |

Feb. 16, 2017 | Wieslawa Niziol | CNRS, ENS-Lyon, France | Syntomic cohomology: an overview. |

Feb. 9, 2017 | Luis Lomeli | Instituto de Matematicas, PUCV, Valparaiso, Chile | Langlands-Shahidi L-functions over function fields and functoriality for the classical groups |

Feb. 2, 2017 | Gregor Masbaum | CNRS, Paris, France | An application of TQFT to modular representation theory |

Jan. 19, 2017 | S. Morel | Princeton University | Global Langlands parameters |

Jan. 12, 2017 | Anne-Marie Aubert | Institut de Mathematiques de Jussieu, France | A new point of view on enhanced Langlands parameters |

Jan. 5, 2017 | Uri Bader | Weizmann Institute of Science, Israel | On an ergodic theoretical method in the study of linear groups. |

Dec. 29, 2016 | Dinakar Ramakrishnan | Caltech, USA | Rational Points |

Dec. 28, 2016 | Riddhipratim Basu | Stanford University, USA | Coarse Geometry of Random Metric Subspaces of Euclidean Spaces and Connections to Dependent Percolat |

Dec. 22, 2016 | V. Srinivas | TIFR | What is the Hodge Conjecture ? |

Nov. 10, 2016 | Dipendra Prasad | TIFR | A relative Local Langlands correspondence, and geometry of parameter spaces. |

Oct. 20, 2016 | Husney Parvez Sarwar | TIFR | K-theory, Serre dimension of monoid algebras |

Sep. 29, 2016 | R.V. Gurjar | IIT. Mumbai | Some results about (C,+)-actions on smooth affine 3-folds |

Sep. 22, 2016 | Aditya Karnataki | TIFR, Mumbai | p-adic uniformization of some locally symmetric spaces |

Sep. 15, 2016 | Vivek Sadhu | TIFR, Mumbai | On some K-theoretical functors |

Sep. 8, 2016 | Amiya Mondal | TIFR, Mumbai | Degree and conductor of certain local L-functions |

Sep. 1, 2016 | Parthanil Roy | Indian Statistical Institute, Kolkata | Extreme value theory for stable random fields indexed by finitely generated free groups |

Aug. 18, 2016 | Cedric Villani | Institut Henri Poincare, France | Synthetic theory of Ricci curvature |

Aug. 4, 2016 | M.S. Raghunathan | IIT, Mumbai | The Narasimhan-Seshadri Theorem revisited |

Jul. 28, 2016 | Swarnava Mukhopadhyay | University of Maryland, USA | Generalized Theta functions, Strange duality and odd orthogonal bundles on curves |

Jul. 21, 2016 | Sugata Mondal | Indiana University, Bloomington | Simple closed geodesics on hyperbolic surfaces: lengths and angles between them |

Jul. 7, 2016 | Markus Brodmann | University of Zuerich, Switzerland | Projective Varieties of Maximal Sectional Regularity |

Jun. 30, 2016 | Yash Lodha | EPFL Lausanne, Switzerland | Groups of piecewise projective homeomorphisms |

Jun. 23, 2016 | Sabyasachi Mukherjee | Stony Brook University, USA | Connectedness loci of complex polynomials: beyond the Mandelbrot set |

Apr. 7, 2016 | Indranil Biswas | TIFR | Holomorphic Cartan geometry |

Mar. 31, 2016 | Souvik Goswami | TIFR | Business of Height Pairing |

Mar. 10, 2016 | Vijaylaxmi Trivedi | TIFR | Hilbert-Kunz density function and Hilbert-Kunz multiplicity |

Feb. 25, 2016 | Denis Benois | University of Bordeaux, France | p-adic L-functions and p-adic Hodge theory |

Feb. 18, 2016 | Athanase Papadopoulos | Universite de Strasbourg, France | Riemann surfaces and their moduli |

Feb. 11, 2016 | Amos Nevo | Technion-Israel Institute of Technology | Arithmetic groups, the automorphic representation, and intrinsic Diophantine approximation |

Feb. 4, 2016 | Rohith Varma | Department of mathematics, Cornell University, U.S | On Higgs bundles on elliptic surfaces |

Jan. 28, 2016 | Ananyo Dan | TIFR | Geometry of the Noether-Lefschetz locus |

Jan. 21, 2016 | Sanju Velani | University of York, UK | Metric Diophantine approximation: the Lebesgue and Hausdorff theories |

Jan. 16, 2016 | Pankaj Vishe | Durham University, UK | Uniform bounds for Period integrals and sparse equidistribution |

Dec. 31, 2015 | M. Ram Murty | Queen's University, Canada | New Directions in Sieve Theory |

Dec. 10, 2015 | Margarida Mendes Lopes | Universidade de Lisboa, Portugal | Restrictions on the invariants of irregular surfaces |

Dec. 3, 2015 | Saurabh Trivedi | Flat currents on definable pseudomanifolds | |

Nov. 26, 2015 | K. Sandeep | CAM-TIFR, Bnagalore | Moser-Trudinger and Adams Inequalities |

Nov. 19, 2015 | Omprokash Das | TIFR | Adjunction and Inversion of Adjunction properties of MMP singularities and F-singularities in positi |

Nov. 12, 2015 | Santosh Nadimpalli | TIFR | Typical representations for certain Bernstein components of $GL_n(F)$ |

Nov. 5, 2015 | Dubi Kelmer | Boston College | Counting lattice points in a random lattice |

Oct. 8, 2015 | R. Sivaguru | TIFR | Several Complex Variables: a Sampler |

Oct. 1, 2015 | Emilio Franco | University of Campinas, Brazil | Moduli spaces of Lambda-modules on abelian varieties |

Sep. 10, 2015 | B. Ravinder | TIFR | On bases for local Weyl modules in type A |

Sep. 3, 2015 | Anilesh Mohari | Institute of Mathematical Sciences, Chennai | Isomorphism theorem for Kolmogorov states in quantum spin chain |

Aug. 27, 2015 | Kartik Prasanna | University of Michigan, USA | Arithmetic and geometric aspects of the Jacquet-Langlands correspondence |

Aug. 20, 2015 | Sourav Ghosh | University of Paris, France | Thermodynamics of Margulis Space Time |

Aug. 13, 2015 | Anand Sawant | University of Munich, Germany | Etale motivic analogues of Rost nilpotence |

Aug. 6, 2015 | Dhruv Mubayi | University of Illinois, Chicago | Independent sets in hypergraphs |

Jul. 30, 2015 | Jayadev Athreya | University of Illinois at Urbana, USA | The Erdos-Szusz-Turan distribution for equivariant point processes' |

Jul. 23, 2015 | Dinesh Thakur | University of Rochester, USA | Power sums of polynomials |

Jul. 16, 2015 | Haruzo Hida | UCLA, USA | Non CM p-adic analytic families of modular forms |

Jul. 9, 2015 | J. Tilouine | Universite Paris, France | Big image of Galois for positive slope families |

Mar. 30, 2015 | Xinwen Zhu | California Institute of Technology, Pasadena | An introduction to the geometric Satake isomorphism |

Mar. 12, 2015 | A.A. Ambily | TIFR | Normality and $K_1$-stability of Roy's elementary orthogonal group |

Mar. 5, 2015 | Ritwik Mukherjee | TIFR | Enumerative geometry of singular curves in a general linear system |

Feb. 26, 2015 | Sagar Kolte | TIFR | Cuspidal curves on Rational Homology Planes |

Feb. 19, 2015 | Georg Schumacher | Philipps University Marburg, Germany | Kahler structure on Hurwitz spaces |

Feb. 5, 2015 | William A. Casselman | University of British Columbia, Canada | L functions and the future of the trace formula |

Jan. 29, 2015 | Joseph Ayoub | Universitat Zurich, Switzerland | Foliated topology and foliated homotopy types |

Jan. 22, 2015 | Gregor Masbaum | CNRS, IMJ, Paris, France | Modular TQFT-representations of mapping class groups |

Jan. 20, 2015 | Florian Sprung | Princeton University, USA | The arithmetic of elliptic curves in towers of number fields |

Jan. 15, 2015 | Vinayak Vatsal | University of British Columbia, Canada | Conjectures on non-vanishing of quadratic twists of $L$-functions modulo a prime |

Dec. 18, 2014 | Kenji Fukaya | Kyoto University, Japan | Why the foundation of differential topology is deeply related to the foundation of quatum field theo |

Dec. 11, 2014 | Benjamin Matschke | MPIM Germany | Solving $S$-unit and Mordell equations via Shimura-Taniyama conjecture. |

Dec. 8, 2014 | John Parker | Durham University UK | Non-arithmetic lattices |

Dec. 4, 2014 | Mahesh Kakde | University College London UK | Iwasawa theory and Chern Classes |

Nov. 27, 2014 | M. Waldschmidt | Universite Pierre et Marie Curie, France | Some recent results on Diophantine equations: a survey |

Nov. 13, 2014 | Alexander Gorodnik | Bristol University, UK | Configurations in lattices |

Oct. 16, 2014 | Jyoti Singh | MNNIT, Allahabad | An algebraic proof of the Involutivity theorem |

Oct. 9, 2014 | Anandam Banerjee | TIFR | Equivalence relations on algebraic cobordism |

Sep. 4, 2014 | Radhika Ganapathy | University of British Columbia, Canada | The Deligne-Kazhdan theory and its applications to the local Langlands correspondence |

Aug. 14, 2014 | Pankaj Vishe | University of York, UK | Effective Ratner equidistribution result for $mathrm{SL}(2, mathbb R)ltimes mathbb R^{2k} $ and appl |

Aug. 11, 2014 | Dhruv Mubayi | University of Illinois, USA | Intersection Theorems for Finite Sets |

Aug. 8, 2014 | R. Parimala | Emory University, USA | Period-index bounds for the Brauer group |

Jul. 24, 2014 | R. Venkatesh | TIFR | Tensor product decomposition of $g$--stable Demazure modules |

May 9, 2014 | Tony Pantev | University of Pennsylvania, USA | Constructions in shifted symplectic geometry |

Apr. 10, 2014 | Seshadri Chintapalli | TIFR | Embedding theorems on hyperelliptic varieties |

Mar. 20, 2014 | Enrico Leuzinger | Karlsruhe Institute of Technology, Germany | A Gauss-Bonnet formula for moduli spaces of Riemann surfaces |

Feb. 27, 2014 | Ravi Ramakrishna | Cornell University, Ithaca | Galois Representations |

Feb. 18, 2014 | Konstantin Khanin | University of Toronto, Canada | On rigidity theory for nonlinear interval exchange transformations |

Feb. 13, 2014 | Vijay Ravikumar | TIFR | Triple Intersection Formulas for Isotropic Grassmannians |

Feb. 6, 2014 | S.G. Dani | IIT Bombay | Primitive integral solutions for systems of linear inequalities |

Jan. 23, 2014 | Shane D'Mello | Stony Brook University, USA | Chord diagrams and rational planar quartics |

Jan. 16, 2014 | Yuval Flicker | The Ohio State University, Columbus | Counting local systems with principal local monodromy |

Jan. 15, 2014 | Jong Hae Keum | Korea Institute for Advanced Study, South Korea | K3 Surfaces: Automorphisms, Algebra and Geometry |

Jan. 2, 2014 | M-F. Vigneras | University of Paris, Jussieu | The pro-p-Iwahori Hecke algebra |

Dec. 26, 2013 | George Lusztig | Massachusetts Institute of Technology, USA | |

Dec. 19, 2013 | Pierre Colmez | Institut de Mathematiques de Jussieu, France | Modular forms and $p$-adic representations |

Dec. 11, 2013 | Jean Fasel | Universitat Duisburg-Essen, Germany | Homotopy groups of algebraic spheres and applications |

Dec. 5, 2013 | Ivan Panin | Petersburg Department of Steklov Institute of Math | On a conjecture of Colliot-Th'el`ene concerning quadratic spaces |

Nov. 28, 2013 | Sandeep Varma | TIFR | On a Result of Moeglin and Waldspurger in Residual Characteristic 2' |

Nov. 21, 2013 | Chaitanya Senapathi | TIFR | Morse theory on the space of paths in Homogeneous Space |

Oct. 31, 2013 | Neena Gupta | ISI Kolkata | Some Problems in Affine Algebraic Geometry |

Oct. 10, 2013 | Tomas Gomez | ICMAT, Spain | Moduli spaces of principal bundles on projective varieties |

Sep. 19, 2013 | Jean-michel Kantor | IMJ Jussieu, Paris, France | Combinatorics and algebraic geometry:some examples from toric varieties |

Sep. 12, 2013 | E.K. Narayanan | IISc., Bangalore | Bounded hypergeometric functions associated to root systems |

Sep. 5, 2013 | Sachin Sharma | TIFR | The irreducible modules for the derivations of the rational quantum torus |

Aug. 27, 2013 | Vyjayanthi Chari | University of California, Riverside | Posets, Tensor Products and Schur positivity |

Aug. 22, 2013 | Manish Mishra | Hebrew University, Jerusalem | The Struture of an Unramified $L$-Packet and Related Results |

Aug. 8, 2013 | Laurent Clozel | Univ. de Paris-Sud, France | Symmetric powers of modular forms and L-functions |

Jul. 25, 2013 | R. Venkatesh | TIFR | Chromatic polynomials of graphs from Kac-Moody algebras |

Jul. 23, 2013 | Doron Puder | Hebrew University of Jerusalem | Expansion of Random Graphs: New Proofs, New Results |

Jul. 18, 2013 | Nikolai Vavilov | St. Petersburg State University, Russia | A closer look at weight diagrams |

Jul. 11, 2013 | Dinesh Thakur | University of Arizona, USA | Higher Multiplicities in Number Theory |

Jul. 10, 2013 | L.C. Siebenmann | U. Paris-Sud, Orsay, France | A finite combinatorial presentation for closed smooth manifolds |

Jun. 27, 2013 | Eknath Ghate | TIFR | Modular forms and the 16-61 theorem |

May 23, 2013 | Krishnaswami Alladi | University of Florida | A theorem of G\"ollnitz and its place in the theory of partitions |

Apr. 18, 2013 | Philbert Nang | ENS, Gabon | D-modules on a class of G-representations |

Mar. 14, 2013 | A.J. Parameswaran | TIFR | Holonomy group scheme of an integral curve |

Feb. 28, 2013 | Paul Baum | University of Penn State, USA | What is K-Theory and what is it good for? |

Feb. 19, 2013 | M. Tadic | University of Zagreb ,Croatia | Harmonic analysis on classical p-adic groups and L-packets |

Feb. 14, 2013 | Frits Beukers | Utrecht University, Netherlands | Algebraic hypergeometric functions |

Feb. 7, 2013 | W. Casselman | University of British Columbia, Canada | Cornelius Lanczos' mysterious formula for the Gamma function |

Jan. 31, 2013 | Sukhendu Mehrotra | CMI, Chennai | Hyperholomorphic sheaves and deformations of K3 surfaces |

Jan. 17, 2013 | Andrej Dujella | Univ. of Zagreb, Croatia | Elliptic curves with large rank |

Jan. 10, 2013 | Sarang Sane | University of Kansas | Euler class groups and Chow-Witt groups |

Jan. 9, 2013 | Benedict Gross | Harvard University, U.S.A. | Arithmetic Invariant Theory and rational points on Hyper-elliptic curves |

Jan. 7, 2013 | Ramin Takloo-Bighash | Univ. of Illinois at Chicago, USA | Bessel models and special values of $L$-functions |

Jan. 3, 2013 | Atul Dixit | Tulane University, USA | Two problems in the Theory of Partitions |

Dec. 27, 2012 | D.Q. Zhang | National University of Singapore | Automorphisms of positive entropy on compact Kahler or algebraic varieties |

Dec. 13, 2012 | Hung Yean Loke | National University of Singapore | Dual reductive pairs, and Exceptional Lie groups |

Dec. 5, 2012 | Mahan Maharaj | Belur University, West Bengal | Low Dimensional Projective Groups |

Nov. 22, 2012 | Kumar Balasubramanian | IISER Bhopal | Self-dual representations with vectors fixed under an Iwahori subgroup |

Nov. 8, 2012 | Amrita Muralidharan | TIFR | An analogue of Raynaud's theory in rigid analytic and formal geometry |

Nov. 1, 2012 | Yuichiro Taguchi | Kyoto University, Japan | Rational torsion points of abelian varieties over a large extension of a local field |

Oct. 18, 2012 | Sushmita Venugopalan | TIFR | Moment maps, Yang-Mills functional and vortices |

Oct. 11, 2012 | Milena Radnovic | Mathematics Inst. SANU, Serbia | Poncelet porism and elliptical billiards |

Oct. 4, 2012 | Chandrashekhar Khare | University of California, Los Angeles, USA | Ray class groups and generalised Jacobians |

Sep. 27, 2012 | Bernhard Heim | German University of Technology, Oman | On a hidden property of Borcherds products |

Sep. 13, 2012 | Vaibhav Vaish | TIFR | Weightless Cohomology of Algebraic Varieties |

Sep. 6, 2012 | Umesh K.V. Dubey | TIFR | Spectrum of tensor triangulated catgories |

Aug. 30, 2012 | Dinakar Ramakrishnan | California Institute of Technology, USA | Residual Albanese quotients of Picard modular surfaces, and rational points |

Aug. 16, 2012 | Dikran Karagueuzian | Binghamton University, USA | Finiteness for the Module Structure of a Group Action on a Polynomial Ring |

Aug. 14, 2012 | R. Parimala | Emory University, USA | Period-index problem for the Brauer group |

Aug. 9, 2012 | Jinhyun Park | Korea Advanced Institute of Science and Technology | Algebraic cobordism and algebraic equivalence |

Aug. 2, 2012 | Chung Pang Mok | McMaster University, Canada | Introduction to Arthur's work on classification of automorphic representations on classical groups |

Jul. 27, 2012 | Anish Ghosh | University of East Anglia, U.K. | Diophantine approximation on varieties |

Jul. 19, 2012 | Neena Gupta | On locally Laurent polynomial algebras | |

Jul. 12, 2012 | Ralph Greenberg | University of Washington, USA | The $p$-adic $L$-functions of Kubota and Leopoldt |

Jul. 5, 2012 | Gautam Bharali | Indian Institute of Science, Bangalore | On the dynamics of holomorphic correspondences on the 2-sphere |

Jul. 2, 2012 | David Gabai | Princeton University, USA | Volumes of hyperbolic 3-manifolds |

Jun. 28, 2012 | T.N. Shorey | Indian Institute of Technology, Mumbai | abc conjecture |

Jun. 21, 2012 | Arvind N. Nair | TIFR | Scissors congruence of polyhedra in Euclidean and Hyperbolic spaces |

Jun. 14, 2012 | Nitin Nitsure | TIFR | Algebraic Functions and Analytic Functions |

May 31, 2012 | Michael Hopkins | Harvard University, USA | Smooth and Hodge filtered cohomology theories |

May 10, 2012 | N. Mohan Kumar | Washington University, USA | Pfaffian representations of quintics |

May 7, 2012 | F.T. Farrell | Binghamton University, USA | Bundles with negatively curved fibers |

May 3, 2012 | Shrawan Kumar | University of North Carolina at Chapel Hill, USA | Equivariant $K$-theory of flag varieties |

Apr. 26, 2012 | S.E. Rao | TIFR | Integrable modules for a Lie Torus |

Apr. 19, 2012 | S.K. Ray | Indian Statistical Institute, Kolkata | Fourier restriction theorem on Riemannian symmetric spaces of noncompact type |

Mar. 22, 2012 | Amit Hogadi | TIFR | Fundamental group of varieties in positive characteristic |

Mar. 15, 2012 | Adrian Jenkins | Iowa State University, USA | Local Non-Archimedean Dynamical Systems in Two Variables |

Mar. 7, 2012 | C. Gasbarri | University of Strasbourg, France | On the canonical degree of curves on varieties of general type |

Mar. 1, 2012 | C.S. Rajan | TIFR | On the irreducibility of irreducible characters of simple Lie algebras |

Feb. 16, 2012 | Masanori Morishita | Kyushu University, Japan | Knots and Primes |

Feb. 9, 2012 | L. Lafforgue | IHES, France | Are there kernels of functoriality? |

Feb. 2, 2012 | Michel Brion | Institute Fourier, France | Counting points of homogeneous varieties over finite fields |

Jan. 19, 2012 | Spencer Bloch | University of Chicago, USA | Tree-terated integrals and motives related to the fundamental group |

Jan. 13, 2012 | Hung Yean Loke | National University of Singapore | Dual reductive pairs, and Exceptional Lie groups |

Dec. 15, 2011 | S.S. Abhyankar | Purdue University, USA | Curvettes and Jacobian Problem |

Dec. 8, 2011 | M. Ram Murty | Queen's University, Canada | The Mathematical Legacy of Srinivasa Ramanujan |

Dec. 1, 2011 | S. Ramanan | Chennai Mathematical Institute, Chennai | Higgs pairs and the Hitchin map |

Nov. 17, 2011 | Steven T. Spallone | TIFR | Residues of Intertwining Operators for Classical Groups |

Nov. 3, 2011 | Mihai-Marius Tibar | University of Lille-1, France | Betti bounds of polynomials |

Oct. 20, 2011 | Romie Banerjee | TIFR | Non-Abelian Grothendieck Duality and Stable Homotopy |

Oct. 13, 2011 | Mousumi Mandal | TIFR | On the Negativity of the first Hilbert coefficient |

Sep. 29, 2011 | Somnath Jha | TIFR | Fine Selmer group of Hida deformations |

Sep. 22, 2011 | Frank Neumann | University of Leicester, U.K. | Towards the rational homotopy type of moduli stacks of G-bundles on curves |

Sep. 15, 2011 | Girja Shanker Tripathi | School of Mathematics, TIFR | Representing hermitian K-theory by orthogonal Grassmannian in $A^1$-homotopy theory |

Sep. 8, 2011 | Mahuya Dutta | I.S.I., Kolkata | Lipschitz Isometric Maps for Pairs of Riemannian Metrics |

Aug. 25, 2011 | Mahesh Kakde | University College, London, U.K. | On main conjectures in non-commutative Iwasawa theory |

Aug. 23, 2011 | Roy Joshua | Ohio State University, U.S.A. | What is an Algebraic stack? |

Aug. 18, 2011 | S. Tariq Rizvi | The Ohio State University, U.S.A. | Baer rings: A module theoretic analogue and related notions |

Aug. 11, 2011 | Volker Heiermann | University of Marseille, France | Representations of p-adic groups and Hecke algebras |

Aug. 4, 2011 | Prakash Belkale | University of North Carolina | Unitarity of the KZ/Hitchin connection on conformal blocks in genus 0 |

Jul. 28, 2011 | A. Raghuram | Oklahoma State University, USA | From Calculus to Number Theory: An introduction to the special values of L-functions |

Jul. 21, 2011 | Mrinal Kanti Roychowdhury | University of Texas-Pan American, USA | Optimal points for a probability distribution on a Cantor set |

Jul. 14, 2011 | Chandrasheel R. Bhagwat | TIFR | On spectral analogues of strong multiplicity one theorem |

Apr. 21, 2011 | Partha Chakrabarty | Institute of Mathematical Sciences, Chennai | Around the local index formula |

Apr. 7, 2011 | S. D. Adhikari | Harish-Chandra Research Institute, Allahabad | Two classical results in Additive Combinatorics:Some related recent results |

Mar. 31, 2011 | Tony J. Puthenpurakal | Indian Institute of Technology, Mumbai | On the intersection of annihilator of the Valabrega-valla module |

Mar. 24, 2011 | N. Onoda | Fukui University, Japan | Some results on finite generation of algebras of certain type |

Mar. 17, 2011 | T. Asanuma | Toyama University, Japan | On the Jacobian conjecture |

Mar. 15, 2011 | Philip Candelas | Oxford University | Periods of Calabi-Yau Manifolds in Physics and Number Theory |

Mar. 10, 2011 | Rudra Sarkar | Indian Statistical Institute, Kolkata | Characterization of eigenfunctions of the Laplacian on Riemannian symmetric spaces of noncompact typ |

Mar. 7, 2011 | P. Philippon | University of Paris, France | Approximation of algebraic numbers by algebraic numbers of given degree |

Mar. 3, 2011 | Urmie Ray | University of Reims, France | Weyl Character and super-character formulae for finite dimensional and affine Lie superalgebras wit |

Feb. 10, 2011 | Matthias Stemmler | TIFR | Stability and Hermitian-Einstein metrics for vector bundles on framed manifolds |

Feb. 3, 2011 | Jinhyun Park | KAIST, Korea | What can an algebraic geometer do for Euclidean geometry? |

Jan. 27, 2011 | Nikolai Vavilov | St. Petersburg State University, Russia | New results on subgroups of classical groups |

Jan. 20, 2011 | Ajneet S Dhillon | University of Western Ontario | Tamagawa numbers of algebraic groups and geometry |

Jan. 13, 2011 | Srilakshmi Krishnamoorthy | TIFR | Modular degrees of elliptic curves |

Jan. 6, 2011 | H'el`ene Esnault | University of Essen, Germany | Rational Points and Motivic Integration |

Dec. 24, 2010 | Sergey Yuzvinsky | University of Oregon, USA | Cohomology jumping loci of arrangement complements and beyond |

Dec. 23, 2010 | Pierrette Cassou-Nogues | University of Bordeaux, France | On polynomial maps from $C^2$ to $C$ and to $C^2$ |

Dec. 16, 2010 | Amod Agashe | University of Florida, USA | Visibility and the Birch and Swinnerton-Dyer conjecture for analytic rank one |

Dec. 14, 2010 | Mahan Maharaj | Vivekananda University | Geometry and dynamics of Kleinian groups |

Dec. 2, 2010 | V.G. Narasimha Kumar | TIFR | On Local Galois Representations attached to Automorphic Forms |

Nov. 22, 2010 | Kaushal Verma | Indian Institute of Science, Bangalore | Two questions on holomorphic mappings between domains in C^n |

Nov. 18, 2010 | V. Srinivas | TIFR | Cycles on a generic complex abelian 3-fold |

Nov. 11, 2010 | Gerald Gotsbacher | TIFR | Eisenstein series in the cohomology of locally symmetric spaces |

Nov. 4, 2010 | Michael Lennox Wong | TIFR | Hecke Modifications, Wonderful Compactifications and Moduli of Principal Bundles |

Oct. 28, 2010 | Soumya Das | TIFR | Non vanishing of Jacobi Poincar\'e series and the structure of Hermitian Jacobi forms |

Oct. 21, 2010 | Sangjib Kim | TIFR | Polynomial representations of GL(n,C) and related combinatorics |

Oct. 14, 2010 | Viji Z. Thomas | TIFR | On the nonabelian tensor product and the box-tensor product of groups |

Oct. 7, 2010 | Frank Neumann | University of Leicester, U.K. | Weil conjectures for the moduli stack of vector bundles on algebraic curves |

Sep. 30, 2010 | Georg Schumacher | University of Marburg, Germany | Positivity of relative canonical bundles and applications |

Sep. 23, 2010 | W. Casselman | University of British Columbia | What is the Fundamental Lemma? |

Sep. 17, 2010 | Winfried Kohnen | University of Heidelberg, Germany | Generalised modular functions and their characters |

Sep. 9, 2010 | Debraj Chakrabarti | Indian Institute of Technology, Mumbai | The Cauchy-Riemann Equations on a Product Domain |

Sep. 3, 2010 | Jean Fasel | Ecole Polytechnique Federale de Lausanne, Switzerl | Grothendieck-Witt groups and projective modules |

Apr. 22, 2010 | Sudhir Ghorpade | Indian Institute of Technology, Mumbai | Maximal linear sections of Grassmannians |

Apr. 15, 2010 | Alok K. Maharana | TIFR | Cyclic covers of A² |

Mar. 18, 2010 | S.K. Roushon | TIFR | The Isomorphism Conjecture for groups acting on trees |

Mar. 11, 2010 | Otmar Venjakob | Universitat Heidelberg, Germany | Are L-functions able to solve Diophantine equations? |

Mar. 2, 2010 | S. Lichtenbaum | Brown University, USA | Zeta-functions and Weil-etale cohomology of number rings |

Feb. 25, 2010 | Xavier Viennot | University of Bordeaux, France | At the crossroad of algebra, combinatorics and physics |

Feb. 18, 2010 | M.A. Sofi | Kashmir University, Srinagar | On certain curious aspects of finite-dimensionality phenomena arising in functional analysis |

Feb. 11, 2010 | Ludovic Marquis | l'Ecole Normale Superieure de Lyon, France | Convex Projective Manifold of finite volume |

Feb. 4, 2010 | Lawrence Breen | University of Paris-13, France | Combinatorial differential forms' |

Jan. 28, 2010 | Chandrashekhar Khare | UCLA, USA | Modularity of Galois representations |

Jan. 21, 2010 | Marco Antei | University of Lille, France | Galois closure of essentially finite morphisms |

Jan. 14, 2010 | Arati Khairnar | Cohomology theory for topological groups | |

Jan. 7, 2010 | S.S. Abhyankar | Purdue University, USA | Dicritical divisors and Jacobian problem |

Dec. 31, 2009 | Gordan Savin | University of Utah, Salt Lake, USA | Geometry of binary hermitian forms |

Dec. 17, 2009 | Shmuel Friedland | University of Illinois at Chicago | On the eigenvalues of graphs: results and conjectures |

Dec. 10, 2009 | Anisa M.H. Chorwadwala | TIFR | Isoperimetric Inequalities in Mathematical Physics |

Oct. 26, 2009 | Sreekrishna Palaparthi | TIFR | Lengths of closed geodesics in a hyperbolic link complements in S^{3} |

Oct. 1, 2009 | Supriya Pisolkar | TIFR | Norm Maps in Local fields and computation of zero cycles |

Sep. 24, 2009 | Sarang Sane | TIFR | Obstruction theory for projective modules |

Sep. 3, 2009 | Mitsuyasu Hashimoto | Nagoya University, Japan | Sheaves with group actions and invariant theory |

Aug. 20, 2009 | Laurent Clozel | Universite Paris-Sud, France | The Heisenberg principle and positivity |

Aug. 6, 2009 | Ritabrata Munshi | Rutgers University, U.S.A. | Non-vanishing of L-functions |

Jul. 23, 2009 | Manuel de Leon | Instituto de Ciencias Matematicas(ICMAT), Spain | Recent results in nonholonomic dynamics |

Apr. 2, 2009 | Harish Seshadri | Indian Institute of Science, Bangalore, India | Sphere Theorems |