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Higher Witt categories of modular categories

Posted in
Speaker: 
Alexei Davydov
Zugehörigkeit: 
Ohio St. Univ., Athens
Datum: 
Son, 2016-03-20 13:45 - 14:45
Location: 
MPIM Lecture Hall

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.

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