Introduction to generalised symmetries

by Clément Delcamp (IHES)

Thursday Apr 10, 2025, 10:30 AM → 11:30 AM Europe/Paris

Auditorium Vivargent (LAPTh)

Defining internal symmetry in a quantum theory through the lens of topological defects has opened the door to generalised notions of symmetry. In this seminar, I will introduce such generalisations and sketch the relevant mathematical framework, before presenting explicit examples in quantum lattice models.