IMSc-CMI Number theory seminar

Winter 2025

Date Speaker Title of the talk
Apr 22, 2025 Aditya Karnataki, CMI Cohomology of families of (\varphi, tau)-modules
Apr 15, 2025 P. Vanchinathan, VIT Weak Inverse Galois Problem and Inflated G-Extensions for Algebraic Number Fields
Apr 8, 2025 Arul Shankar, University of Toronto Second order terms in arithmetic statistics
Apr 1, 2025 Dwaipayan Majumdar, CMI Exponential sums over small subgroups
Mar 25, 2025 Mrityunjoy Charan, IMSc Nearly holomorphic Poincare series: properties and applications
Mar 18, 2025 Arunabha Mukhopadhyay, IMSc Irreducibility of generalized phi-Laguerre polynomials
Mar 11, 2025 Shivani Goel, CMI Explicit Deuring-Heilbronn phenomenon for Dirichlet L-functions
Mar 4, 2025 Velmurugan S, IMSc On the eigenvalues of permutations in the representations of symmetric group
Feb 25, 2025 Anwesh Ray, CMI Modular Galois representations with large Selmer p-rank
Feb 17,2025 R. Thangadurai, HRI On a problem of Polya
Feb 11, 2025 Sushant Kala, IMSc Counting points of bounded height
Feb 4, 2025 Ananth Shankar, Northwestern University A p-adic analogue of Borel's theorem
Jan 28, 2025 R. Balasubramanian, IMSc A high school problem
Jan 21, 2025 Fred Diamond, King's College, London Effective and minimal cones of weights for Hilbert modular forms

Fall 2024

Date Speaker Title of the talk
Dec 24, 2024 Sourav Das, RKMVERI Diophantine approximation with prime denominator in quadratic number fields under GRH
Nov 26, 2024 Rashi Lunia, CMI Common divisors of totients of polynomial sequences
Nov 19, 2024 Anurag Sahay, Purdue University The moments of the Hurwitz zeta function with irrational shifts
Nov 12, 2024 Sushant Kala, IMSc Zhang's theorem on points of small height on subvarieties of ${G_m}^n$
Oct 29, 2024 Sonam Garg, IMSc On the arithmetic nature of the q-Riemann zeta function and its generalizations
Oct 22, 2024 Dwaipayan Mazumder, CMI Trigonometric sums over primes
Oct 1, 2024 Mahesh Kumar Ram Importance of unramified prime ideals of higher residue degree in the study of class groups
Sep 24, 2024 Pranendu Darbar, ISI Kolkata Asymmetric Distribution of Extreme Values of Cubic L-functions at s=1
Sep 17, 2024 Sunil Kumar Pasupulati, IMSc Number fields with cyclic class groups
Sep 10, 2024 Siddhi Pathak, CMI A conjecture of Erdos on non-vanishing of L(1,F)
Sep 3, 2024 Mrityunjoy Charan, IMSc Analogues of the Bol operator for half-integral weight weakly holomorphic modular forms
Aug 27, 2024 Shivani Goel, CMI On the Hardy-Littlewood k-tuple prime conjecture and convolutions of Ramanujan sums
Aug 20, 2024 Anup Dixit, IMSc Zeta functions associated to infinite extensions
Aug 6, 2024 Sushant Kala, IMSc Lower bounds for canonical heights of Elliptic curve

Spring 2024

Date Speaker Title of the talk
Apr 23, 2024 Siddhi Pathak, CMI On zeros of variants of Ramanujan polynomials
Apr 16, 2024 Sushant Kala, IMSc Lower bound on Weil height of algebraic numbers
Apr 9, 2024 Anup Dixit, IMSc How many values do L-functions share?
Apr 2, 2024 Sunil Kumar Pasupulati, IMSc On a conjecture of Watkins
Mar 26, 2024 Plawan Das, CMI Nonexistence and Finiteness Theorems for Certain Abelian Varieties
Mar 19, 2024 Saunak Bhattacharjee, IISER Tirupati An effective lower bound for the sum of two cubes problem
Mar 12, 2024 Sinnou David, Sorbonne University Irrationality of integer values of the zeta function
Mar 5, 2024 Mrityunjoy Charan, IMSc Zeros of period polynomials of Hecke eigenforms
Feb 27, 2024 Dwaipayan Mazumder, CMI Diophantine Approximation with prime restriction
Feb 20, 2024 Jyothsnaa Sivaraman, ISI Bangalore On analogues of the Brun-Titchmarsh theorem and some applications
Feb 13, 2024 Rajdeep Ghosh, CMI Counting extensions of number fields
Feb 6, 2024 R. Balasubramanian, IMSc Product of three primes in arithmetic progression II
Jan 30, 2024 R. Balasubramanian, IMSc Product of three primes in arithmetic progression I

Fall 2023

Date Speaker Title of the talk
Nov 21, 2023 Ayan Nath, CMI Ribet's converse to Herbrand's theorem
Nov 7, 2023 Pratiksha Shingavekar, IIT Madras 3-Selmer groups, ideal class groups and the rational cube sum problem
Oct 31, 2023 Jayanth Guhan, CMI Local-global principle for hermitian spaces over semi-global fields
Oct 17, 2023 Leo Gratien, ENS On the finiteness of geometric monodromy in l-adic Laurent series
Oct 10, 2023 Hrishabh Mishra, CMI Malle's conjecture for wreath products
Oct 3, 2023 Siddhi Pathak, CMI Eichler integrals, Ramanujan-type identities and period polynomials
Sep 19, 2023 Leo Gratien, ENS Perverse combinatorics : a question about Sidon sets and asymptotic basis
Sep 12, 2023 Sayan Goswami, IMSc Exponential patterns in arithmetic Ramsey theory
Sep 5, 2023 Sushant Kala, IMSc On the lowest zero of Dedekind zeta function
Aug 22, 2023 Anwesh Ray, CMI Iwasawa theory and arithmetic statistics
Aug 8, 2023 Anup Dixit, IMSc Bogomolov property for infinite Galois extensions