Alex Ghitza
Teaching
Students
Seminar
Publications
Number Theory Seminar @ University of Melbourne
Archive of past seminars
2018
Conics and elliptic curves in number theory and cryptography (MSc completion talk)
Abdullatif Altheyab
Wed 7 Nov 2018 at 11am in Peter Hall 107
Intro to stacks: formalism of topological stacks
Alex Ghitza
Wed 17 Oct 2018 at 11am in Peter Hall 107
Intro to stacks: more versal families
Alex Ghitza
Wed 10 Oct 2018 at 11am in Peter Hall 107
Intro to stacks: versal families
Alex Ghitza
Wed 3 Oct 2018 at 11am in Peter Hall 107
Sums over twin primes
Tim Trudgian (UNSW Canberra at ADFA)
Wed 12 Sep 2018 at 11am in Peter Hall 107
Intro to stacks: triangles with extra structure
Alex Ghitza
Wed 5 Sep 2018 at 11am in Peter Hall 107
Intro to stacks: coarse moduli spaces
Alex Ghitza
Wed 29 Aug 2018 at 11am in Peter Hall 107
Intro to stacks: classifying triangles up to similitude
Alex Ghitza
Wed 22 Aug 2018 at 11am in Peter Hall 107
Intro to stacks: groupoids, continuous families
Alex Ghitza
Wed 15 Aug 2018 at 11am in Peter Hall 107
Introduction to stacks: Organisational meeting
Alex Ghitza
Wed 8 Aug 2018 at 11am in Peter Hall 107
Springer theory and characters
Cheng-Chiang Tsai (Stanford University)
Wed 23 May 2018 at 1:15pm in Peter Hall 107
Chevalley-Warning Theorem and application to a problem in additive number theory
Alex Ghitza
Wed 16 May 2018 at 1:15pm in Peter Hall 107
A geometric approach to Maass' operator on Siegel modular forms, part 2
Owen Colman
Wed 2 May 2018 at 1:15pm in Peter Hall 107
A geometric approach to Maass' operator on Siegel modular forms, part 1
Owen Colman
Wed 18 Apr 2018 at 1:15pm in Peter Hall 107
Point counting on genus 2 curves
Working group
Wed 7 Mar 2018 at 1:15pm in Peter Hall 107
Point counting on curves and random matrices
Frank Calegari (University of Chicago)
Fri 2 Mar 2018 at 3:15pm in Peter Hall 213
Explicit modular abelian surfaces II
Frank Calegari (University of Chicago)
Wed 28 Feb 2018 at 1:15pm in Peter Hall 107
Explicit modular abelian surfaces
Frank Calegari (University of Chicago)
Fri 23 Feb 2018 at 11am in Peter Hall 107
Hilbert modular forms and Galois representations
Alex Ghitza
Mon 5 Jun 2017 at 11am in room 107 (Peter Hall building)
On Maeda's conjecture II
Alex Ghitza
Mon 29 May 2017 at 11am in room 107 (Peter Hall building)
On Maeda's conjecture I
Alex Ghitza
Mon 22 May 2017 at 11am in room 107 (Peter Hall building)
Differential characters of Drinfeld modules and de Rham cohomology
Arnab Saha (Australian National University)
Fri 5 May 2017 at 11am in David Caro Podium 207
An introduction to the arithmetic of elliptic curves V
Alex Ghitza
Mon 10 Apr 2017 at 11am in room 107 (Peter Hall building)
An introduction to the arithmetic of elliptic curves IV
Alex Ghitza
Mon 3 Apr 2017 at 11am in room 107 (Peter Hall building)
An introduction to the arithmetic of elliptic curves III
Alex Ghitza
Mon 27 Mar 2017 at 11am in room 107 (Peter Hall building)
What's new (and old) about elliptic curves
Michael Bennett (University of British Columbia)
Tue 21 Mar 2017 at 12pm in Russell Love Theatre (Peter Hall building)
An introduction to the arithmetic of elliptic curves II
Alex Ghitza
Mon 20 Mar 2017 at 11am in room 107 (Peter Hall building)
An introduction to the arithmetic of elliptic curves I
Alex Ghitza
Mon 13 Mar 2017 at 11am in room 107 (Peter Hall building)
Erdos-Selfridge and supersingularity
Michael Bennett (University of British Columbia)
Mon 6 Mar 2017 at 11am in room 107 (Peter Hall building)
Two hundred years of reciprocity in Number Theory
Frank Calegari (University of Chicago)
Tue 28 Feb 2017 at 12pm in Russell Love (Peter Hall building)
Ramanujan, the Bloch group, and modularity
Frank Calegari (University of Chicago)
Fri 24 Feb 2017 at 1pm in room 213 (Peter Hall building)
Torsion in cohomology and Galois representations
Frank Calegari (University of Chicago)
Tue 21 Feb 2017 at 11am in room 213 (Peter Hall building)
Structure (pre)sheaves on adic spaces
Alex Ghitza
Wed 16 Nov 2016 at 11am in room 107
Examples of adic spaces
Alex Ghitza
Wed 9 Nov 2016 at 11am in room 107
Huber and Tate rings
Alex Ghitza
Wed 2 Nov 2016 at 11am in room 107
Valuation spectrum and adic rings
Alex Ghitza
Wed 26 Oct 2016 at 11am in room 107
Valuations
Alex Ghitza
Wed 12 Oct 2016 at 11am in room 107
Perfectoid fields II
Jason Polak
Wed 5 Oct 2016 at 11am in room 107
Perfectoid fields I
Jason Polak
Wed 14 Sep 2016 at 11am in room 107
Local Langlands correspondence
Masoud Kamgarpour
Wed 7 Sep 2016 at 11am in room 107
Local class field theory
Owen Colman
Wed 31 Aug 2016 at 11am in room 107
Classical geometric Langlands
Kari Vilonen
Wed 24 Aug 2016 at 11am in room 107
Organisational meeting
Alex Ghitza
Wed 17 Aug 2016 at 11am in room 107
Reduction to weight at most $p+1$ (after Edixhoven)
Alex Ghitza
Wed 10 Aug 2016 at 11am in room 107
Weight optimisation for elliptic modular eigenforms (after Edixhoven)
Alex Ghitza
Wed 3 Aug 2016 at 11am in room 107
The cohomology of arithmetic manifolds IV
Arun Ram
Tue 12 Jul 2016 at 11am in room 107
The cohomology of arithmetic manifolds III
Arun Ram
Wed 6 Jul 2016 at 11am in room 107
The cohomology of arithmetic manifolds II
Arun Ram
Tue 28 Jun 2016 at 11am in room 107
The cohomology of arithmetic manifolds I
Arun Ram
Tue 21 Jun 2016 at 11am in room 107
Elliptic modular forms IV (4.6-4.7)
Alex Ghitza
Tue 7 Jun 2016 at 11am in room 107
Elliptic modular forms III (4.5)
Alex Ghitza
Tue 31 May 2016 at 11am in room 107
Elliptic modular forms II (4.3-4.4)
Alex Ghitza
Tue 24 May 2016 at 11am in room 107
Elliptic modular forms I (4.1-4.2)
Hanter Wibawanti
Tue 17 May 2016 at 11am in room 107
Class field theory III (3.5-3.6)
Angus McAndrew
Tue 10 May 2016 at 11am in room 107
Class field theory II (3.3-3.4)
Angus McAndrew
Tue 3 May 2016 at 11am in room 107
Class field theory I (3.1-3.2)
Owen Colman
Tue 26 Apr 2016 at 11am in room 107
Reciprocity laws - Fermat, Euler, and Gauss
Alex Ghitza
Tue 19 Apr 2016 at 11am in room 107
Reciprocity laws - Introduction
Alex Ghitza
Tue 12 Apr 2016 at 11am in room 107
Modular curves as Riemann surfaces
Owen Colman
Tue 22 Mar 2016 at 11am in room 107
Eisenstein series and lattices
Owen Colman
Tue 15 Mar 2016 at 11am in room 107
Multiplicativity of coefficients for Siegel modular forms
Alex Ghitza
Tue 8 Mar 2016 at 11am in room 107
Multiplicativity of coefficients of Hecke eigenforms
Alex Ghitza
Tue 1 Mar 2016 at 11am in room 107