Non-Invertible Duality Defects in 3+1 Dimensions

Thorngren and Wang. https://arxiv.org/abs/2106.12577

Del Zotto, García Etxebarria, https://arxiv.org/abs/2204.06495

Córdova, Ohmori, https://arxiv.org/abs/2205.06243

Kaidi, Ohmori, Zheng, https://arxiv.org/abs/2111.01141