School of Mathematical Sciences

Approximate groups menu

Approximate groups

Speaker: 
Ben Green (Cambridge)
Date/Time: 
Mon, 12/03/2012 - 16:30
Room: 
M103
Seminar series: 

I will introduce the notion of an approximate group and give some examples. I will discuss some structure theorems for approximate groups due to Freiman-Ruzsa and Breulliard-Green-Tao. Finally, I will hint at some applications of these objects, in particular to expander graphs.