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math.GR2002★ 5 cited
What is the monster?
R. E. Borcherds
A content-free expository article about the monster simple group.
math.GR1999
Reflection groups of Lorentzian lattices
R. E. Borcherds
The aim of this paper is to provide evidence for the following new principle: interesting reflection groups of Lorentzian lattices are controlled by certain modular forms with pole…
math.GR1998
Coxeter groups, Lorentzian lattices, and K3 surfaces
Richard E. Borcherds
The main result of this paper describes the normalizer of a finite parabolic subgroup of a (possibly infinite) Coxeter group. We use this to compute the automorphism groups of some…