Introduction to generalised symmetries

par Clément Delcamp (IHES)

jeudi 10 avr. 2025, 10:30 → 11:30 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.