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cond-mat.str-el2024★ 1 cited
A non-semisimple non-invertible symmetry
Clement Delcamp, Edmund Heng, Matthew Yu
We investigate the action of a non-invertible symmetry on spins chains whose topological lines are labelled by representations of the four-dimensional Taft algebra. The main peculi…
math.CT2024★ 8 cited
Fusion 3-Categories for Duality Defects
Lakshya Bhardwaj, Thibault Décoppet, Sakura Schafer-Nameki +1
We study the fusion 3-categorical symmetries for quantum theories in (3+1)d with self-duality defects. Such defects have been realized physically by half-space gauging in theories…