Presentations

 

2024

10as J. de Teoría de Números, Madrid, Spain

ICTP, Trieste, Italy

ICTP, Trieste, Italy

ICTP, Trieste, Italy

ICTP, Trieste, Italy

ICTP, Trieste, Italy

2023

JMM, Boston

2022

9as J. de Teoría de Números, Logrono, Spain

MIT/ICERM

2021

Vantage Online Seminar

Arizona State University

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

PGL2(Fl) number fields with rational companion forms

2015

ICERM, Brown U

ICERM, Brown U

ICERM, Brown U

ICERM, Brown U

ICERM, Brown U

Oberwolfach, Germany

U of Wisconsin, Madison

UMM

New York Number Theory Seminar

U of Bonn, Germany

2014

ICTP, Trieste, Italy

CNTA XIII, Ottawa

U of Warwick, England

U of Nebraska, Omaha

U of Nebraska, Omaha

Oberwolfach, Germany

2013

University of Chicago

Northwestern University

Oberwolfach, Germany

U of Sydney, Australia

UNC Greensboro

UNC Greensboro

UNC Greensboro

UNC Greensboro

Arizona State

Arizona State

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

2010

CNTA-11, Nova Scotia

Stanford

2009

U of Calgary

Arizona State

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

2002

UMM

CNTA-7 Montreal

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