Introduction to topological symmetry in QFT
arXiv:2212.00195
Abstract
This brief note publicizes the quantum framework for symmetry that is developed in our joint paper arXiv:2209.07471 with Greg Moore and Constantin Teleman. We include additional motivation and an application to a selection rule for line defects in 4-dimensional gauge theories.
14 pages, 7 figures. v2 fixed title in announcement. v3 has redrawn figures for publication