2 papers
math.RT2026
Coxeter and Dynkin Diagrams
John C. Baez
Coxeter and Dynkin diagrams classify a wide variety of structures, most notably finite reflection groups, lattices having such groups as symmetries, compact simple Lie groups and c…
math.HO2021
This Week's Finds in Mathematical Physics (1-50)
John C. Baez
These are the first 50 issues of This Week's Finds of Mathematical Physics, from January 19, 1993 to March 12, 1995. These issues focus on quantum gravity, topological quantum fiel…