▽The n-Category Caf〓 ●03/29 22:02 March 26, 2025The McGee GroupPosted by John BaezThis is a bit of a shaggy dog story, but I think it’s fun. There’s also a moral about the nature of mathematical research.Once I was interested in the McGee graph, nicely animated here by Mamouka Jibladze:This is the unique (3,7)-cage, meaning a graph such that each vertex has 3 neighbors and the shortest cycle has length 7. Since it has a ve