Quiver Hecke algebras and categorification
arXiv:1301.5868
Abstract
This is a brief introduction to the quiver Hecke algebras of Khovanov, Lauda and Rouquier, emphasizing their application to the categorification of quantum groups. The text is based on lectures given by the author at the ICRA workshop in Bielefeld in August, 2012.
This version fixes a couple of typos