H.S.M. Coxeter showed that a group Gamma is a finite reflection group of an Euclidean space if and only if Gamma is a finite Coxeter group. In this paper, we define reflections of geodesic spaces in general, and we prove that Gamma is a cocompact discrete reflection group of some geodesic space if and only if Gamma is a Coxeter group. (C) 2005 Elsevier B.V. All rights reserved.
机构:
Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, IsraelTel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, Israel
Fel, LG
Rubinstein, BY
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机构:Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, Israel