The Largest Mathieu Group and (Mock) Automorphic Forms

Abstract

We review the relationship between the largest Mathieu group and various modular objects, including recent progress on the relation to mock modular forms. We also review the connections between these mathematical structures and string theory on K3 surfaces.

32 pages, 7 tables, 1 figure, submitted to the AMS Proceedings of Symposia in Pure Mathematics (String-Math 2011)