Alex Ghitza

NUmber Theory Seminar 2018

TL;DR: Finding modular abelian surfaces; parts of Behrend's introduction to stacks

  • 23 February 2018: Explicit modular abelian surfaces, by Frank Calegari (University of Chicago)
  • 28 February 2018: Explicit modular abelian surfaces II, by Frank Calegari (University of Chicago)
  • 2 March 2018: Point counting on curves and random matrices, by Frank Calegari (University of Chicago)
  • 7 March 2018: Point counting on genus 2 curves, working group
  • 18 April 2018: A geometric approach to Maass' operator on Siegel modular forms I, by Owen Colman
  • 2 May 2018: A geometric approach to Maass' operator on Siegel modular forms II, by Owen Colman
  • 16 May 2018: Chevalley--Warning Theorem and application to a problem in additive number theory, by Alex Ghitza
  • 23 May 2018: Springer theory and characters, by Cheng-Chiang Tsai (Stanford)
  • 8 August 2018: Intro to stacks -- Organisational meeting
  • 15 August 2018: Intro to stacks -- Groupoids, continuous families, by Alex Ghitza
  • 22 August 2018: Intro to stacks -- Classifying triangles up to similitude, by Alex Ghitza
  • 29 August 2018: Intro to stacks -- Coarse moduli spaces, by Alex Ghitza
  • 5 September 2018: Intro to stacks -- Triangles with extra structure, by Alex Ghitza
  • 12 September 2018: Sums over twin primes, by Tim Trudgian (UNSW Canberra at ADFA)
  • 3 October 2018: Intro to stacks -- Versal families, by Alex Ghitza
  • 10 October 2018: Intro to stacks -- More versal families, by Alex Ghitza
  • 17 October 2018: Intro to stacks -- Formalism of topological stacks, by Alex Ghitza
  • 7 November 2018: Conics and elliptic curves in number theory and cryptography, by Abdullatif Altheyab