On the 6d Origin of Non-invertible Symmetries in 4d

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

Canepa, Cattaneo, https://arxiv.org/abs/2202.08684

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

Córdova, Ohmori, Rudelius, https://arxiv.org/abs/2202.05866