2022

Novena Jornadas de Teoría de Números

MIT/ICERM

Motivos hipergéometricos

Modularity Problems for Hypergeometric Motives

2021

Vantage Online Seminar

Arizona State University

Hurwitz-Belyi Maps (video)

Improving the Local Database

2020

Dessins d'enfants seminar, Moscow

2019

JMM, Baltimore

2018

U of Washington

MIT

ANS, Córdoba, Argentina

Dartmouth 

Dartmouth 

HIM, Bonn, Germany

2017

U of Minn, Twin Cities

ICTP, Trieste, Italy

Harvard 

ICMS, Edinburgh, Scotland

UCLA

Arizona State

U of Melbourne, Australia

U of Melbourne, Australia

2016

King's College London

2012

Collège de France

Stanford

ICTP, Trieste, Italy

ICTP, Trieste, Italy

U of Wisconsin, Madison

Arizona State

Hypergeometric motives and their division polynomials

Covers of M_0,5 and number fields

Hypergeometric motives and their division polynomials

The inverse Galois problem

Lightly ramified S.M_12.A number fields

Lightly ramified S.M_12.A number fields

2011

Stanford

Hurwitz number fields

2010

CNTA-11, Nova Scotia

Stanford

Ramification in moduli fields

Chebyshev covers and exceptional number fields

2009

U of Calgary

Arizona State

Nonsolvable polynomials with discriminant 5^A

Arboreal dessins d'enfants

2008

ANTS-8, Banff

UMM

Arizona State

U of Nebraska, Omaha

Number fields ramified at one prime

Dessins d'enfants (video)

Chebyshev covers and exceptional number fields

Chebyshev covers and exceptional number fields

2007

U of Texas, Austin

SJTN Madrid

Arizona State

Chebyshev covers and exceptional number fields

Una conjetura de finitud para cuerpos de números

Wild Partitions and Number Theory

2006

UMM

U of Florida

U of Florida

Arizona State

Arizona State

A new result in game theory

Fractalized cyclotomic polynomials

A database of local fields

Fractalized cyclotomic polynomials

Octic 2-adic fields

2005

U of Wisconsin, Madison

U of Nebraska, Omaha

Fractalized cyclotomic polynomials

A database of local fields

2004

CNTA-8 Toronto

Singular primes for three point covers

2003

Arizona State

Generic polynomials with small discriminant

2002

UMM

CNTA-7 Montreal

Discriminants of Yablonsky-Vorobiev polynomials

An ABC construction of number fields

2001

Arizona State

Discriminants of some Painleve polynomials

2000

Millennial NT conference, U of Illinois

Roots of generalized Jacobi polynomials

1999

AMS meeting, San Antonio

UMM

Number fields with prescribed ramification

Rigid Matrix Tuples

1998

Arizona State

ANTS-III, Portland

Rutgers

Three point covers and remarkable polynomials

Searches for number fields

ABC construction of PQ fields 

1997

Rutgers

Rutgers

Modular forms with conductor 2a

Number fields with prescribed ramification

1996

U of California at Irvine

CNTA-5 Ottawa

Motivic Galois groups of some genus two curves

Sextic number fields with discriminant -^j 2^a 3^b

1995

Caltech

Arizona State

AMS meeting, Chicago

U of Southern California

Character measures I,II,III

Character measures

Computing motivic Galois groups

Computing motivic Galois groups

1994

U of Chicago

A motivic inverse problem and some solutions

1993

U of Toronto

U of Saskatoon

Equidistribution in motivic Galois groups I,II

Motives and de Rham cohomology

1992

Arizona State

Arizona State

Motivic Galois groups

Numerical computation with motivic L-functions 

1991

CMS meeting, Montreal

Equidistribution in motivic Galois groups

1990

U of Chicago

U of Illinois

Introduction to motives I,II,III,IV,V

Motives and Langlands reciprocity

1988

U of Chicago

U of Michigan

Gross-Zagier formula for Shimura curves

Gross-Zagier formula for Shimura curves