2-Group Symmetries and M-theory

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

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

Bah, Bonetti, Leung, Weck, https://arxiv.org/abs/2112.07796

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