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math.GR2012
Coxeter Groups are not higher rank Arithmetic Groups
Sandip Singh
Let W be an irreducible finitely generated Coxeter group. The geometric representation of W in GL(V) provides a discrete embedding in the orthogonal group of the Tits form (the ass…
math.GR2012★ 48 cited
Arithmeticity of Certain Symplectic Hypergeometric Groups
Sandip Singh, Tyakal N. Venkataramana
We give a sufficient condition on a pair of (primitive) integral polynomials that the associated hypergeometric group (monodromy group of the corresponding hypergeometric different…