in theory

"Marge, I agree with you – in theory. In theory, communism works. In theory." — Homer Simpson

Harald Helfgott on Growth in Groups

Posted on February 20, 2015 by luca

The Bulletin of the AMS is going to publish a 57-page survey on growth in groups, which is already online, and which touches several topics of interest to readers of in theory, including the recent work of Bourgain and Gamburd on expander Cayley graphs of $SL_2(p)$ and the work of Helfgott and Seress on the diameter of permutation groups.