Event time:
Thursday, November 8, 2007 - 11:30am to 12:30pm
Location:
214 LOM
Speaker:
Igor Kriz
Speaker affiliation:
University of Michigan
Event description:
In this talk, I will discuss from a mathematical
viewpoint obstructions to exponentiating infinitesimal
deformations of conformal field theories, and relate them
to physical concepts. I will give examples, including
surprising non-vanishing obstructions in the case of
N=2-theories, although in a somewhat “non-physical” case.