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

Apruzzi, Bonetti, García Etxebarria, Hosseini, Schäfer-Nameki, https://arxiv.org/abs/2112.02092

Del Zotto, Heckman, Meynet, Moscrop, Zhang, https://arxiv.org/abs/2201.08372

Lee, Ohmori, Tachikawa. https://arxiv.org/abs/2108.05369

Tantivasadakarn, Thorngren, Vishwanath, Verresen, https://arxiv.org/abs/2112.01519