APRG Seminar:
2025–26 talks
(Current organizers:
Muna Naik
and
Apoorva
Khare)
(click on the title-hyperlinks for the abstracts)
The talks for this academic year will be online as well as
offline.
Upcoming talks
December 8, 2025:
T.E.S. Raghavan (University of Illinois at Chicago, USA)
4 pm,
Lecture Hall LH-1
Title:
On the applications of scaling the entries of a matrix
December 10, 2025:
Rahul Sethi (Georgia Institute of Technology, Atlanta, USA)
4 pm,
Lecture Hall LH-1
Title:
A high-frequency uncertainty principle for the Fourier–Bessel
transform
January 7, 2026:
Salem Ben Said (United Arab Emirates University, Abu Dhabi)
4 pm, Microsoft Teams (online)
Title: TBA
January 14, 2026:
Dan Mangoubi (Einstein Institute, Hebrew University, Jerusalem,
Israel)
4 pm, Microsoft Teams (online)
Title: TBA
January 21, 2026:
Serena Federico (Università di Bologna, Bologna, Italy)
4 pm, Microsoft Teams (online)
Title: TBA
January 28, 2026:
Stéphanie Nivoche (Université Côte d’Azur, Nice, France)
4 pm,
Lecture Hall LH-1
Title: TBA
February 4, 2026: Marco Peloso
(Università degli Studi di Milano, Italy)
4 pm, Microsoft Teams (online)
Title: Spaces
of entire functions in several variables and the geometry of Siegel CR
manifolds
February 25, 2026: Valentina Casarino
(Università degli Studi di Padova, Italy)
4 pm, Microsoft Teams (online)
Title: TBA
Previous talks
November 19, 2025:
Francesca Astengo (University of Genova, Genoa, Italy)
4 pm, Microsoft Teams (online)
Title: Some
results on irreducible representations of SL(2,\R)
[
Video]
November 18, 2025:
Trilochan Sahoo (IIT Kharagpur)
11 am,
Lecture Hall LH-3
Title: Fourier
methods in Hydroelasticity: from Arctic ice dynamics to very large
floating structures
November 14, 2025:
Malay Banerjee (IIT Kanpur)
10 am,
Lecture Hall LH-1
Title: Routes
to chaos and structural sensitivity in nonlinear dynamical systems
November 12, 2025:
Mithun Bhowmik (IIT Kharagpur)
4 pm, Microsoft Teams (online)
Title: Uniqueness
results for quasi-analytic functions on compact Lie groups and
homogeneous spaces
[
Video]
November 11, 2025:
Saikat Mazumdar (IIT Bombay)
4 pm,
Lecture Hall LH-1
Title: Conformal
powers of the Laplacian, Q-curvature, and the compactness problem
October 29, 2025:
Vaibhav Kumar Jena (IISc Mathematics)
4 pm, Microsoft Teams (online)
Title: Control
of wave equations via geometric Carleman estimates
[
Video]
October 24, 2025:
Apoorva Khare (IISc Mathematics)
4 pm,
Lecture Hall LH-1
Title: The
history of majorization inequalities: from Newton to Macdonald
polynomials
(Joint with the
Algebra & Combinatorics Seminar)
October 22, 2025:
Choiti Bandyopadhyay (SRM University AP, Amaravati)
4 pm, Microsoft Teams (online)
Title: Topological
amenability of (semi)-hypergroups
[
Video]
October 15, 2025:
Senthil Raani (IISER Berhampur)
4 pm, Microsoft Teams (online)
Title: Large
distances in sets of positive density
[
Video]
October 8, 2025:
Juyoung Lee (Korea Institute for Advanced Study, Seoul, South Korea)
11 am, Microsoft Teams (online)
Title: Variational
inequalities for two-parameter averages over tori
[
Video]
September 24, 2025:
Jaehyeon Ryu (Korea Institute for Advanced Study, Seoul, South Korea)
4 pm, Microsoft Teams (online)
Title: Spherical
maximal functions on two step nilpotent Lie groups
[
Video]
September 22, 2025:
Renu Shekhawat (ISI Bangalore)
3 pm,
Lecture Hall LH-1
Title: A
spatial form of Yamamoto's theorem for spectral operators
September 19, 2025:
Tattwamasi Amrutam (IMPAN, Warsaw, Poland)
10 am,
Lecture Hall LH-1
Title: Intermediate
factor theorems: from dynamics to operator algebras
September 17, 2025:
Amar Deep Sarkar (IIT Bhubaneswar)
3 pm, Microsoft Teams (online)
Title: Bi-Hölder
extensions of quasi-isometries with respect to invariant metrics
September 10, 2025:
Debdip Ganguly (ISI Delhi)
4 pm, Microsoft Teams (online)
Title: L^2-stability
of the Heisenberg Uncertainty Principle on the hyperbolic space
[
Video]
September 4, 2025:
Milind Hegde (Columbia University, USA and NTU Singapore)
11:30 am,
Lecture Hall LH-1
Title: A
new member of the Kardar–Parisi–Zhang universality class
August 28, 2025:
Prashanta Garain (IISER Berhampur)
4 pm, Microsoft Teams (online)
Title: Regularity
theory for mixed local and nonlocal $p$-Laplace equations
[
Slides]
[
Video]
August 22, 2025:
Matteo Mucciconi (National University of Singapore)
11:30 am,
Lecture Hall LH-1
Title: Asymptotic
analysis of a multiplicative functional of the Poissonized Plancherel
Measure: elliptic functions, phase transitions and applications
(Joint with the
Algebra & Combinatorics Seminar)
August 20, 2025:
Shyam Swarup Mondal (ISI Kolkata)
4 pm, Microsoft Teams (online)
Title: Orthonormal
Strichartz estimates on abstract measure spaces
[
Video]
August 13, 2025:
Hong-Wei Zhang (Universität Paderborn, Germany)
2 pm, Microsoft Teams (online)
Title: Spectrum
on locally symmetric spaces
[
Video]
August 6, 2025:
Job Kuit (Universität Paderborn, Germany)
4 pm, Microsoft Teams (online)
Title: On
the Helgason conjecture
[
Video]
Previous years:
2024–25
2023–24
2022–23
2021–22
2020–21
2019–20
2018–19
2017–18