Title: Supersymmetric sigma models, elliptic cohomology and the Witten genus
Speaker: Daniel Berwick-Evans
Speaker Info: UC Berkeley
Special Note: Note the unusual day!
We give a geometric model for elliptic cohomology over the complex numbers motivated by the physics of supersymmetric sigma models. In this language we will describe a rigorous construction of the Witten genus of a smooth manifold.Date: Thursday, March 07, 2013