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Autumn Semester 2017

Date / Time Speaker Title Location
* 19 October 2017
15:15-16:15 		Timothy Gendron
U.N.A.M
Details

Number Theory Seminar

Title Hilbert's 12th Problem, Complex Multiplication and the Real Multiplication Program
Speaker, Affiliation Timothy Gendron, U.N.A.M
Date, Time 19 October 2017, 15:15-16:15
Location HG F 26.1
Hilbert's 12th Problem, Complex Multiplication and the Real Multiplication Program
HG F 26.1
20 October 2017
14:15-15:15 		Timothy Gendron
U.N.A.M
Details

Number Theory Seminar

Title Quantum modular invariant, quantum Drinfeld modules and a solution to the real multiplication program in positive characteristic
Speaker, Affiliation Timothy Gendron, U.N.A.M
Date, Time 20 October 2017, 14:15-15:15
Location HG G 43
Quantum modular invariant, quantum Drinfeld modules and a solution to the real multiplication program in positive characteristic
HG G 43
1 December 2017
14:15-15:15 		Dr. Martin Orr
Imperial College London
Details

Number Theory Seminar

Title Some unlikely intersections in a product of moduli spaces of abelian varieties
Speaker, Affiliation Dr. Martin Orr, Imperial College London
Date, Time 1 December 2017, 14:15-15:15
Location HG G 43
Abstract I will talk about a theorem on unlikely intersections between a curve and Hecke correspondences in Ag x Ag (where Ag is the moduli space of principally polarised abelian varieties of dimension g). This is inspired by work of Habegger and Pila in the case g=1. I will outline the strategy of Pila and Zannier applied to this case, and discuss Galois bounds for isogenous abelian varieties which form one step in the proof.
Some unlikely intersections in a product of moduli spaces of abelian varietiesread_more
HG G 43
8 December 2017
14:15-15:15 		Dr. Ian Nicholas Petrow
ETH Zurich, Switzerland
Details

Number Theory Seminar

Title Bounds for traces of Hecke operators and points on curves over finite fields
Speaker, Affiliation Dr. Ian Nicholas Petrow, ETH Zurich, Switzerland
Date, Time 8 December 2017, 14:15-15:15
Location HG G 43
Abstract Consider the space of classical holomorphic cusp forms with respect to a congruence subgroup, and the algebra of Hecke operators acting on this space. In this talk I will discuss estimates for the traces of these Hecke operators, as well as their applications to the analytic theory of elliptic curves over a finite field. For example, such bounds on traces of Hecke operators allow one to estimate the number of F_q-points on modular curves, going beyond what the Riemann hypothesis for curves over finite fields can tell us directly. I will also discuss a Petersson trace formula for newforms for general nebentype characters, which is one of the main tools used in the proof of the results in this talk.
Bounds for traces of Hecke operators and points on curves over finite fieldsread_more
HG G 43
15 December 2017
14:15-15:15 		Dr. Daniel Barrera Salazar
UPC Barcelona
Details

Number Theory Seminar

Title On the exceptional zeros of p-adic L-functions of Hilbert modular forms
Speaker, Affiliation Dr. Daniel Barrera Salazar, UPC Barcelona
Date, Time 15 December 2017, 14:15-15:15
Location HG G 43
Abstract The use of modular symbols to attach p-adic L-functions to Hecke eigenforms goes back to the work of Manin et al in the 70s. In the 90s, Stevens developed his theory of overconvergent modular symbols, which was successfully used to construct p-adic L-functions on the eigenvariety. In this talk we will present a work in collaboration with Mladen Dimitrov and Andrei Jorza in which we generalize this approach to the Hilbert modular setting and prove new instances of the exceptional zero conjecture.
On the exceptional zeros of p-adic L-functions of Hilbert modular formsread_more
HG G 43

Notes: events marked with an asterisk (*) indicate that the time and/or location are different from the usual time and/or location.

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