APRG Seminar:     2020–21 talks
(Current organizers: Ramesh Manna and Apoorva Khare)

(click on the title-hyperlinks for the abstracts)


All talks for this semester are online, on account of the Coronavirus pandemic.

April 21, 2021: Fulvio Ricci (SNS Pisa, Italy)
4 pm, Microsoft Teams (online)
Title: Multi-parameter structures on $\mathbb{R}^n$ and nilpotent groups

April 14, 2021:
Tapendu Rana (IIT, Bombay)
4 pm, Microsoft Teams (online)
Title: Wiener Tauberian Theorems on $SL(2,\mathbb{R})$

April 7, 2021:
Deb Kumar Giri (IISc Mathematics)
4 pm, Microsoft Teams (online)
Title: Heisenberg uniqueness pairs for the hyperbola and the Perron-Frobenius operators

March 31, 2021: Agnieszka Hejna (University of Wrocław, Poland)
4 pm, Microsoft Teams (online)
Title: Harmonic analysis and Hormander's multiplier theorem in the rational Dunkl setting

March 24, 2021: Radouan Daher (University of Hassan II, Morocco)
4 pm, Microsoft Teams (online)
Title: A note of Titchmarsh theorem and approximation theory on the sphere

March 17, 2021: Shrihari Sridharan (IISER, Thiruvananthapuram)
4 pm, Microsoft Teams (online)
Title: A Laplacian on the unilateral shift space

March 10, 2021: Divyang Bhimani (IISER, Pune)
4 pm, Microsoft Teams (online)
Title: Strong ill-posedness for nonlinear Schrödinger equations

March 3, 2021: Chandan Biswas (IISc Mathematics)
4 pm, Microsoft Teams (online)
Title: An inverse problems approach to sharp estimates in harmonic analysis

February 24, 2021: Arka Mallick (Technion, Haifa, Israel)
4 pm, Microsoft Teams (online)
Title: Optimal exponential integrability of maps with finite non convex energy

February 17, 2021: Joonil Kim (Yonsei University, Seoul, South Korea)
4 pm, Zoom (online)
Title: Newton Polyhedra associated with global domains

February 10, 2021: Eunhee Jeong (Korea Institute for Advanced Study, South Korea)
4 pm, Microsoft Teams (online)
Title: Sharp $L^p-L^q$ estimates for the spectral projection associated with the twisted Laplacian

February 3, 2021: Sanghyuk Lee (Seoul National University, Republic of Korea)
4 pm, Zoom (online)
Title: Sharp $L^p-L^q$ estimates for the Hermite spectral projection

January 27, 2021: Anupam Gumber (IISc Mathematics)
4 pm, Microsoft Teams (online)
Title: On translation invariance of the mixed frame operator

January 20, 2021: Nishant Chandgotia (TIFR-CAM, Bengaluru)
4 pm, Microsoft Teams (online)
Title: On Riesz sets

January 13, 2021: Maria Del Mar Gonzalez (Universidad Autónoma de Madrid, Spain)
4 pm, Microsoft Teams (online)
Title: Non-local ODE via conformal geometry

January 6, 2021: Hans Georg Feichtinger (Institute of Mathematics, University of Vienna, Austria)
4 pm, Zoom (online)
Title: Time-frequency analysis and suitable function spaces

December 16, 2020: Luz Roncal (BCAM – Basque Center for Applied Mathematics, Spain)
4 pm, Microsoft Teams (online)
Title: Variational bounds for spherical means

December 3, 2020: Nicola Garofalo (Universita di Padova, Italy)
4 pm, Microsoft Teams (online)
Title: A heat equation approach to intertwining

November 25, 2020: Riju Basak (IISER Bhopal)
4 pm, Microsoft Teams (online)
Title: Homogeneous multipliers on Sobolev spaces

November 18, 2020: Oscar Blasco (Universidad de Valencia, Spain)
4 pm, Microsoft Teams (online)
Title: Bilinear multipliers on Banach function spaces

November 11, 2020: Carlos Pérez (University of the Basque Country and BCAM, Spain)
4 pm, Microsoft Teams (online)
Title: Fractional Poincaré inequalities and Harmonic Analysis

November 4, 2020: Vishvesh Kumar (Ghent University, Belgium)
4 pm, Microsoft Teams (online)
Title: Recent developments on $L^p$-$L^q$ boundedness of Fourier multipliers

October 28, 2020: Sanjoy Pusti (IIT, Bombay)
4 pm, Microsoft Teams (online)
Title: Ramanujan's Master Theorem

October 21, 2020: Jotsaroop Kaur (IISER Mohali)
4 pm, Microsoft Teams (online)
Title: Maximal estimates for bilinear Bochner Riesz means

October 14, 2020: Ramesh Manna (IISc Mathematics)
4 pm, Microsoft Teams (online)
Title: Carleman Estimates and Unique Continuation

October 7, 2020: Muna Naik (Harish-Chandra Research Institute, Prayagraj)
4 pm, Microsoft Teams (online)
Title: Characterization of eigenfunctions of the Laplace–Beltrami operator using Fourier multipliers

September 30, 2020: Kalachand Shuin (IISER Bhopal)
4 pm, Microsoft Teams (online)
Title: Bilinear spherical maximal functions of product type

September 24, 2020: Mithun Bhowmik (IISc Mathematics)
4 pm, Microsoft Teams (online)
Title: Certain quasi-analyticity results on Riemannian symmetric spaces of noncompact type

September 18, 2020: Apoorva Khare (IISc Mathematics)
3 pm, Microsoft Teams (online)
Title: Totally positive matrices, Pólya frequency sequences, and Schur polynomials (Joint with the Algebra–Combinatorics Seminar)

September 9, 2020: Apoorva Khare (IISc Mathematics)
11 am, Microsoft Teams (online)
Title: An introduction to total positivity

September 2, 2020: Chaman Kumar (IIT, Roorkee)
3 pm, Microsoft Teams (online)
Title: Well-posedness and tamed schemes for McKean-Vlasov Stochastic Differential Equations with Common Noise


Previous years:
2019–20
2018–19
2017–18