APRG Seminar:     2023–24 talks
(Current organizers: Muna Naik and Apoorva Khare)

(click on the title-hyperlinks for the abstracts)


Some talks for this academic year will still be online.


Upcoming talks


July 12, 2024: Debapratim Banerjee (Ashoka University)
2 pm, Lecture Hall LH-1
Title: An encoding retrieving the edge universality of Wigner matrices


Previous talks


July 4, 2024: Abhishek Shetty (University of California, Berkeley, USA)
3 pm, Lecture Hall LH-1
Title: Algorithmic Discrepancy Theory: A Tale of Combinatorics, Probability, Convex Geometry and Algorithms

July 4, 2024: Lutz Warnke (University of California, San Diego, USA)
11:15 am, Lecture Hall LH-1
Title: Isomorphisms between dense random graphs

June 28, 2024: Manan Bhatia (MIT, Boston, USA)
2:15 pm, Lecture Hall LH-1
Title: Mated trees and a Peano curve in the directed landscape

June 21, 2024: Jotsaroop Kaur (IISER Mohali)
3 pm, Lecture Hall LH-1
Title: On Hardy Spaces associated with the Twisted Laplacian and sharp estimates for the corresponding Wave Operator

May 31, 2024: Michael Dritschel (Newcastle University, UK)
11:30 am, Lecture Hall LH-1
Title: Rational dilation and constrained algebras

May 30, 2024: Michael Dritschel (Newcastle University, UK)
11:30 am, Lecture Hall LH-1
Title: Products of positive operators

May 29, 2024: Michael Dritschel (Newcastle University, UK)
11:30 am, Lecture Hall LH-1
Title: The operator Fejer-Riesz theorem in two variables, II

May 28, 2024: Michael Dritschel (Newcastle University, UK)
11:30 am, Lecture Hall LH-1
Title: The operator Fejer-Riesz theorem in two variables, I

May 24, 2024: Milind Hegde (Columbia University, New York City, USA)
3 pm, Lecture Hall LH-1
Title: The scaling limit of the colored asymmetric simple exclusion process

May 24, 2024: Bidhan Chandra Sardar (IIT Ropar)
11:30 am, Lecture Hall LH-1
Title: Asymptotic analysis of an optimal control problem for the Stokes system in a perforated domain

May 24, 2024: Bidhan Chandra Sardar (IIT Ropar)
10 am, Lecture Hall LH-1
Title: Optimal control and homogenization of semi-linear parabolic problems with highly oscillatory coefficients in a pillar-type domain

April 10, 2024: Luz Roncal (BCAM – Basque Center for Applied Mathematics, Spain)
4 pm, Microsoft Teams (online)
Title: Pointwise localisation and weighted inequalities for Rubio de Francia square function     [Video]

April 3, 2024: Debsoumya Chakraborti (Mathematics Institute, University of Warwick, UK)
4 pm, Lecture Hall LH-1
Title: Approximate packing of independent transversals in locally sparse graphs
(Joint with the Algebra–Combinatorics Seminar)

March 27, 2024: Utsav Dewan (ISI Kolkata)
4 pm, Microsoft Teams (online)
Title: Restricted mean value property on Riemannian manifolds     [Video]

March 13, 2024: Jotsaroop Kaur (IISER Mohali)
4 pm, Microsoft Teams (online)
Title: Hardy and Rellich identities and inequalities for Grushin operators via spherical vector fields and Bessel pairs     [Video]

March 6, 2024: Mikel Florez Amatriain (BCAM – Basque Center for Applied Mathematics, Spain)
4 pm, Microsoft Teams (online)
Title: Singular integral operators along codimension one subspaces depending on n-1 variables     [Video]

February 28, 2024: Tapendu Rana (Ghent University, Belgium)
4 pm, Microsoft Teams (online)
Title: Boundedness of pseudo-differential operators on radial sections of line bundles over the Poincaré upper half plane SL(2)/SO(2)     [Video]

February 21, 2024: Rajula Srivastava (Hausdorff Center / Univ. Bonn / Max Planck Institute, Bonn, Germany)
4 pm, Microsoft Teams (online)
Title: Counting rational points near flat hypersurfaces     [Video]

February 20, 2024: T.E.S. Raghavan (University of Illinois at Chicago, USA)
4 pm, Lecture Hall LH-1
Title: A note on Linear Complementarity via zero sum two person games

February 15, 2024: Ravi Prakash (Universidad de Concepcion, Concepcion, Chile)
3:30 pm, Lecture Hall LH-1
Title: The p-Laplace "Signature" for Quasilinear Inverse Problems with Large Boundary Data

February 15, 2024: José María Martell Berrocal (ICMAT, Madrid, Spain)
2 pm, Microsoft Teams (online)
Title: Elliptic operators in rough domains     [Video]

February 7, 2024: Kalachand Shuin (Seoul National University, South Korea)
4 pm, Microsoft Teams (online)
Title: Multilinear maximal averages defined on non-degenerate hypersurfaces     [Video]

January 29, 2024: Walter van Suijlekom (Radboud Universiteit, Nijmegen, Netherlands)
4 pm, Lecture Hall LH-1
Title: Geometric spaces at finite resolution

January 24, 2024: Debraj Chakrabarti (Central Michigan University, Mount Pleasant, USA)
4 pm, Lecture Hall LH-1
Title: Partial convexity conditions and the $\overline{\partial}$-problem

January 17, 2024: Ritvik Radhakrishnan (ETH, Zurich, Switzerland)
3:30 pm, Lecture Hall LH-1
Title: Quantitative FKG for crossings

January 4, 2024: Surjit Kumar (IIT Madras)
4 pm, Lecture Hall LH-1
Title: Commuting tuple of operators homogeneous under the unitary group

January 3, 2024: Siddhartha Sahi (Rutgers University, USA)
4 pm, Lecture Hall LH-1
Title: Lyapunov exponents for random matrix products

November 15, 2023: Joachim Toft (Linnaeus University, Vaxjo, Sweden)
11 am, Lecture Hall LH-1
Title: Pseudo-differential calculi and entropy estimates with Orlicz spaces and Orlicz modulation spaces

November 14, 2023: Joachim Toft (Linnaeus University, Vaxjo, Sweden)
3:30 pm, Lecture Hall LH-1
Title: Fractional Fourier transform, harmonic oscillator propagators and Strichartz estimates

October 4, 2023: Ujjal Das (Technion, Haifa, Israel)
3:30 pm, Lecture Hall LH-1
Title: Existence of minimizers for weighted $L^p$-Hardy inequalities

October 3, 2023: Carsten Carstensen (Humboldt Universitat, Berlin, Germany)
10:30 am, Lecture Hall LH-1
Title: Lower eigenvalue bounds of the Laplacian (and bi-Laplacian)

September 20, 2023: Sudarsan Nanda (KIIT Bhubaneswar and IIT Kharagpur)
3 pm, Lecture Hall LH-1
Title: Applications of Hahn-Banach Theorem to sequence spaces and variational inequality

September 14, 2023: Lakshmi Priya M.E. (Tel Aviv University, Tel Aviv, Israel)
3:30 pm, Lecture Hall LH-1
Title: Almost sharp lower bound for the nodal volume of harmonic functions

August 4, 2023: M. Seetharama Gowda (University of Maryland in Baltimore County, USA)
3 pm, Lecture Hall LH-1
Title: Fan-Theobald-von Neumann systems


Previous years:
2022–23
2021–22
2020–21
2019–20
2018–19
2017–18