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The University of Southampton
STAG Research Centre

String Theory seminar - Yifan Wang [NOTE UNUSUAL DAY AND TIME: TUESDAY 12:30] Seminar

Time:
12:30
Date:
2 November 2021
Venue:
Online seminar

For more information regarding this seminar, please email David Turton at [email protected] .

Event details

Title: Fusion Category Symmetries in Quantum Field Theory

Abstract: Topological defects provide a modern perspective on symmetries in quantum field theory. They generalize the familiar invertible symmetries described by groups to non-invertible symmetries described by fusion categories. Such generalized symmetries are ubiquitous in quantum field theory and provide new constraints on renormalization group flows and the IR phase diagram. In this talk I'll review some recent progress in identifying and understanding fusion category symmetries in 1+1d conformal field theories. Time permitting, I'll also comment on higher dimensional generalizations.

Speaker information

Yifan Wang , NYU.

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