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Monoidal categories graded by crossed modules and 3-dimensional HQFTs by Sozer, Kursat; Virelizier, Alexis is a scholarly article available to read on EtoBox.

What is Monoidal categories graded by crossed modules and 3-dimensional HQFTs about?

Given a crossed module $\chi$, we introduce $\chi$-graded monoidal categories and $\chi$-fusion categories. We use spherical $\chi$-fusion categories to construct (via the state sum method) 3-dimensional Homotopy Quantum Field Theories with target the classifying space $B\chi$ of the crossed module $\chi$ (which is a homotopy 2-type).

Author

Sozer, Kursat; Virelizier, Alexis

Published

2022

Language

EN