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arxiv: 1508.05403 · v1 · pith:H2AA7Q5Enew · submitted 2015-08-21 · 🧮 math.GR

CAT(0) Extensions of Right-angled Coxeter Groups

classification 🧮 math.GR
keywords coxetermathrmright-angledactsautomorphismextensionextensionsfaithfully
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We show that any split extension of a right-angled Coxeter group $W_{\Gamma}$ by a generating automorphism of finite order acts faithfully and geometrically on a $\mathrm{CAT}(0)$ metric space.

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