Coxeter

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• Coxeter — Harold Coxeter, 1970 Harold Scott MacDonald Coxeter (* 9. Februar 1907 in London; † 31. März 2003 in Toronto) war ein britisch kanadischer Mathematiker. Sein Arbeitsgebiet war die Geometrie, unter anderem beschäftigte er sich mit regulären… …   Deutsch Wikipedia

• Coxeter — H.S.M. Coxeter Harold Coxeter, 1970 Harold Scott MacDonald «Donald» Coxeter (9 février 1907, Londres 31 mars 2003, Toronto, Canada) est un mathématicien britannique …   Wikipédia en Français

• Coxeter, H.S.M. — ▪ British mathematician in full  Harold Scott MacDonald Coxeter  born Feb. 9, 1907, London, Eng. died March 31, 2003, Toronto, Can.       British born Canadian geometer, who was a leader in the understanding of non Euclidean geometries (non… …   Universalium

• Coxeter, H S M — ▪ 2004 “Donald”        British born Canadian geometer (b. Feb. 9, 1907, London, Eng. d. March 31, 2003, Toronto, Ont.), was a leader in the understanding of non Euclidean geometries, reflection patterns, and polytopes (higher dimensional analogs… …   Universalium

• Coxeter group — In mathematics, a Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; the symmetry …   Wikipedia

• Coxeter–Dynkin diagram — See also: Dynkin diagram Coxeter Dynkin diagrams for the fundamental finite Coxeter groups …   Wikipedia

• Coxeter element — Not to be confused with Longest element of a Coxeter group. In mathematics, the Coxeter number h is the order of a Coxeter element of an irreducible Coxeter group, hence also of a root system or its Weyl group. It is named after H.S.M.… …   Wikipedia

• Coxeter graph — This article is about the 3 regular graph. For the graph associated with a Coxeter group, see Coxeter diagram. Coxeter graph The Coxeter graph Vertices 28 Edges 42 …   Wikipedia

• Coxeter number — In mathematics, the Coxeter number h is the order of a Coxeter element of an irreducible root system, Weyl group, or Coxeter group. DefinitionsThere are many different ways to define the Coxeter number h of an irreducible root system.*The Coxeter …   Wikipedia

• Coxeter notation — In geometry, Coxeter notation is a system of classifying symmetry groups, describing the angles between with fundamental reflections of a Coxeter group. It uses a bracketed notation, with modifiers to indicate certain subgroups. The notation is… …   Wikipedia

• Coxeter-Dynkin diagram — In geometry, a Coxeter Dynkin diagram is a graph with labelled edges. It represents the spatial relations between a collection of mirrors (or reflecting hyperplanes), and describes a kaleidoscopic construction.The diagram represents a Coxeter… …   Wikipedia