Higher Witt categories of modular categories

Speaker:

Alexei Davydov

Affiliation:

Ohio St. Univ., Athens

Date:

Sun, 20/03/2016 - 13:45 - 14:45

Location:

MPIM Lecture Hall [2]

Parent event:

Closing Conference for the Program on Higher Structures in Geometry and Physics [3]

Higher category structure of defects in 3d TFTs and 2d RCFTs indicate to the existence
of a 3-category with modular fusion categories as objects. This 3-category provides
a higher categorification of the Witt group of modular categories.