506 citations
- Centre National de la Recherche ScientifiqueFR57 papers
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Showing 2004 · math.GRShow all
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math.GR2004★ 21 cited
Irreducible Coxeter groups
Luis Paris
We prove that a non-spherical irreducible Coxeter group is (directly) indecomposable and that a non-spherical and non-affine Coxeter group is strongly indecomposable in the sense t…
math.GR2004
Automorphism groups of some affine and finite type Artin groups
Ruth Charney, John Crisp
We observe that, for each positive integer n > 2, each of the Artin groups of finite type A_n, B_n=C_n, and affine type \tilde A_{n-1} and \tilde C_{n-1} is a central extension of…