# Torsten Ekedahl: The Sato-Tate conjecture

Torsten Ekedahl, SU

Time: Wed 2010-11-03 16.00

Location: Room 14, house 5, Kräftriket, Department of Mathematics, Stockholm University

The Sato-Tate conjecture is an equidistribution conjecture for certain
number-theoretically defined sequences. An example of a (generalised)
Sato-Tate conjecture is obtained by defining
$$\sum_{n=1}^\infty \tau(n) = q\prod_{i=1}^\infty(1-q^n)^{24}.$$
The conjecture then says that $\{\tau(n)/(2n^{5.5})\}$ is
equi-distributed with respect to a specific well-known distribution.
This is as well as the original Sato-Tate distribution has now been
proved by the combined efforts by a fairly large group of people.

I will mainly discuss how one by experimentation and
pseudo-probabilistic reasoning can arrive at the Sato-Tate conjecture
and then indicate the basic idea for the proof.

Title Date
Torsten Ekedahl: The Sato-Tate conjecture Nov 03, 2010
Jesper Grodal: Finite loop spaces Nov 10, 2010
Amol Sasane: An analogue of Serre’s Conjecture and Control Theory Oct 13, 2010
Reiner Werner: Quantum correlations - how to prove a negative from finitely many observations Sep 29, 2010
Warwick Tucker: Validated Numerics - a short introduction to rigorous computations Sep 22, 2010
Idun Reiten: Cluster categories and cluster algebras Sep 01, 2010
Stefano Demichelis: Use and misuse of mathematics in economic theory May 26, 2010
Gregory G. Smith: Old and new perspectives on Hilbert functions Apr 14, 2010
Tony Geramita: Sums of Squares: Evolution of an Idea. Mar 31, 2010
Jens Hoppe: Non-commutative curvature and classical geometry Mar 24, 2010
Margaret Beck: Understanding metastability using invariant manifolds Mar 03, 2010
Jan-Erik Björk: Glimpses from work by Carleman Feb 10, 2010