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 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