plural of Coxeter

A surname.

(mathematics, geometry, group theory) Any of a class of groups whose finite cases are precisely the finite reflection groups (including the symmetry groups of polytopes), but which are more varied in their infinite cases, and whose range of application encompasses various areas of mathematics.

plural of Coxeter group

plural of Coxeter diagram

(geometry, algebra) A Coxeter-Dynkin diagram.

plural of Coxeter matrix

(mathematics) The n⨯n symmetric matrix with entries m_ij, which can be conveniently encoded by a Coxeter diagram.

(graph theory) A 3-regular graph with 28 vertices and 42 edges, one of the 13 known cubic distance-regular graphs.

plural of Coxeter graph