2 papers
math.QA2026
The 2-categorical S-matrix of a braided fusion 1-category is a character table
Alea Hofstetter, Christoph Schweigert
The semisimple module categories over a braided fusion category form a connected fusion 2-category . Its Drinfeld center $\mathcal{Z}(\text{M…
math.QA2025
Higher tensor categories and their extensions: notes from the Scottish Talbot On Algebra and Topology
Diogo Andrade, Julia Bierent, Jennifer Brown +28
These lecture notes are the product of a week-long learning workshop on the work of Johnson-Freyd and Reutter on the problem of the existence of minimal nondegenerate extensions of…