The Joint Condensed Matter Seminar (JCMS) series is organised by KTH Royal Insitute of Technology, Nordita, and Stockholm University.
On Monday, May 2nd, 2022 from 11 am to 12 am we hosted a seminar by Lakshya Bhardwaj from Oxford University.
Personal webpage.
Non-Invertible Higher-Categorical Symmetries
I will describe construction of non-invertible symmetries described by higher-categories by performing gauging of invertible higher-form symmetries. Some simple examples carrying such symmetries are provided by gauge field theories with disconnected gauge groups.