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PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE

PIRSA:17040070  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Self-dual quantum geometries and four-dimensional TQFTs with defects
Speaker(s): Bianca Dittrich
Abstract:

We apply the recently suggested strategy to lift state spaces and operators for (2+1)-dimensional topological quantum field theories to state spaces and operators for a (3+1)-dimensional TQFT with defects. We start from the (2+1)-dimensional Turaev-Viro theory and obtain a state space, consistent with the state space expected from the Crane-Yetter model with line defects. This work has important applications for quantum gravity as well as the theory of topological phases in (3+1) dimensions.

Date: 18/04/2017 - 10:00 am
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