Robert Laugwitz (organizer)
Quantum Mathematics Seminar, external speaker:
Nils Carqueville (Univeristy of Vienna)
Title: Orbifolds of topological quantum field theories
Abstract: I will review the functorial approach to topological quantum field theories with defects, a generalised orbifold construction, and discuss several applications. While the theory can be formulated in arbitrary dimension, key ideas can be illustrated in two dimensions, where Landau-Ginzburg models provide interesting examples. In three dimensions, Turaev-Viro-Barrett-Westbury models can be understood as special cases of orbifolds, and in general Reshetikhin-Turaev theories close under orbifolds.
1 hour talk, followed by informal discussion.
All are welcome!
The University of NottinghamUniversity Park
Nottingham, NG7 2RD
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