Conferences & seminars

Organizer - Speaker - Seminar talks

Conferences: organizer


Conferences: invited speaker, selection

2022

  • Counting modular forms with a Galois representation mod p and the Atkin-Lehner eigenvalue at p fixed simultaneously, Las Novenas Jornadas de Teoría de Números, Universidad de la Rioja

2021

  • The inverse Galois problem: abelian varieties, modular forms and Goldbach's conjecture, GTA2021, Tahiti

  • El problema de Galois inverso: variedades abelianas, conjetura de Goldbach y formas modulares, LATeN : seminario Latinoamericano de Teoría de Números

2019

  • Isomorphisms of modular Galois representations and graphs, Barcelona Fall Workshop on Number Theory II, UB, Barcelona

  • Factorisation d’entiers : aujourd’hui et demain, Rencontres Arithmétique de l’Informatique Mathématique, Toulon

  • Factorisation d’entiers : aujourd’hui et demain, AMUSEC Forum Aix-Marseille de la cybersécurité, Luminy

  • Semistable elliptic curves over totally real fields, Journées Arithmétiques XXXI, Istanbul University, Istanbul

2018

  • Computing L-invariants via the Greenberg-Stevens formula, Building Bridges, Budapest

  • Congruences, modular Galois representations and Atkin-Lehner signs: an interpretation via graphs, Explicit and computational approaches to Galois representations, Luxembourg

  • Sage Introduction, Explicit and computational approaches to Galois representations, Luxembourg

  • Semistable elliptic curves over totally real fields, Torsion groups and Galois representations of elliptic curves, Zagreb

  • Congruences and modular forms: an approach via graphs, Antalya Algebra Days XX, The Nesin Mathematics Village, Izmir

2017

  • The inverse Galois problem for symplectic groups, Arithmetic of Hyperelliptic Curves, ICTP, Trieste

  • Jacobians of hyperelliptic curves, inverse Galois problem and Goldbach, Workshop on curves of low genus, UPC, Barcelona

  • Congruences, graphs and modular forms, FoCM 2017, UB, Barcelona

  • Graphs of congruences, Workshop on Arithmetic and Computation 2017, KU, Leuven

  • Diophantine equations and semistable elliptic curves over totally real fields, Journées Algophantiennes Bordelaises 2017, Université de Bordeaux

2016

  • Constructing hyperelliptic curves with surjective Galois representations, Automorphic Forms: theory and computation, KCL, London

  • On the generalized Fermat equation $x^2\ell+y^2m=z^p$, STNB, Barcelona Fall Workshop on Number Theory, UB, Barcelona

  • Genus 3 curves and the inverse Galois problem, Modular Forms and Curves of Low Genus: Computational Aspects, ICERM, Providence

  • Higher genus curves and the inverse Galois problem, Congreso de Jòvenes Investigadores de la RSME, Universidad de Murcia

  • Serre's uniformity conjecture for elliptic curves over totally real number fields, Computational Representation Theory in Number Theory, OSU, Corvallis

  • On the generalized Fermat equation $x^2\ell+y^2m=z^p$, 29th Journées Arithmétiques, Debrecen

2014

  • Twists and residual modular Galois representations, Building Bridges, Bristol

2013

  • Image of residual modular Galois representations: an algorithm, Sage Days: Algorithms in Arithmetic Geometry, Lorentz Center, Leiden

  • A local-global principle for isogenies between elliptic curves over number fields, 28th Journées Arithmétiques, Grenoble

Seminar talks: invited speaker, selection

2022

  • Counting modular forms mod p satisfying constraints at p, Universitad de Barcelona

  • Counting modular forms mod p, Building Bridges 5, Université de Sarajevo

  • Statistiques arithmétiques des courbes d'Edwards, Journée Descartes, I2M, Marseille

  • Modèles plans et lisses pour les courbes modulaires, Séminaire ATI, I2M, Marseille

2021

  • Comptage des formes modulaires avec une représentation galoisienne mod p et la valeur propre d'Atkin-Lehner à p fixées simultanément, Séminaire RGR, I2M, Marseille

2020

  • Isomorphismes de représentations galoisiennes modulaires et graphes, Séminaire LFANT, Université de Bordeaux

2019

  • Isomorphismes de représentations galoisiennes modulaires et graphes, Séminaire Arithmétique et Théorie de l’Information, Luminy

  • Semistable elliptic curves over totally real fields, Algebra, geometry and number theory seminar, Universiteit Leiden, Leiden

2018

  • Congruences, modular forms and graphs, UCSD, San Diego

  • Jacobians and the Inverse Galois Problem, Seminar on Number Theory and Algebra, Zagreb

  • Congruence graphs, Luxembourg Number Theory Seminar, Esch-Belval

  • Newforms and congruence graphs, STNB, UB, Barcelona

2017

  • Le problème inverse de Galois et la conjecture de Goldbach, Séminaire Arithmétique et Théorie de l'Information, Institut de Mathématiques de Marseille

  • Twists of GL_2-type abelian varieties and Galois images for genus 2, BSD Data @ Bristol, Bristol

  • Le problème inverse de Galois, courbes hyperelliptiques et la conjecture de Goldbach, Séminaire de géometrie et algèbre effective, Université de Rennes 1

2016

  • The Inverse Galois problem and hyperelliptic curves, Carl von Ossietzky Universitat Oldenburg

  • Congruence graphs and newforms, Number Theory and Geometry Seminar, Nottingham

  • Newforms and congruences, Heilbronn Seminar, Bristol

  • Jacobians and the inverse Galois problem, Symmetrie, Geometrie und Arithmetik, IWR, Heidelberg

  • Congruence Graphs, DFG priority project SPP 1489, Technische Universitat Kaiserslautern

  • Abelian varieties and the inverse Galois problem, Building Bridges, Sarajevo

  • Semistable elliptic curves over totally real fields and Diophantine equations, CNTA, Calgary

  • Abelian varieties and the inverse Galois problem, UCSD, San Diego

  • Diophantine equations and semistable elliptic curves over totally real number fields, Algebra, Geometry and Number Theory Seminar, Leiden

  • Congruence Graphs, Speed talk at BMC, Bristol

  • The inverse Galois problem and uniform realizations, Séminaire et Groupe de travail Théorie des Nombres, Université Blaise Pascal, Clermont-Ferrand

  • Congruences, Number Theory Seminar, Warwick

  • Inverse Galois problem and uniform realizations, STNB, UB, Barcelona

2015

  • The inverse Galois problem, abelian varieties and uniform realizations, Number theory seminar, Copenhagen

  • Abelian varieties and the inverse Galois problem, Number Theory Seminar, JHU, Baltimore

  • The generalized Fermat equation $x^2\ell+y^2m=z^p$, ICERM, Providence

  • Residual modular Galois representations: images and applications, London Number Theory Seminar, KCL, London

  • On Serre's uniformity conjecture for elliptic curves, Number Theory Seminar, York

2014

  • Twists and local data of residual modular Galois representations, Universidad de Buenos Aires

  • Residual Galois representations: a database, Sheffield Number Theory Seminar, Sheffield

  • On Serre's uniformity conjecture for elliptic curves, Heilbronn Seminar, Bristol

  • Residual modular Galois representations: an algorithmic approach, Algebra and Number Theory Seminar, UC Dublin

2013

  • Minimal Models and Integral Models, Algebraic Geometry for Number Theory, Warwick

  • Residual modular Galois representations and their images, Number Theory Seminar, Warwick