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Discrete & Computational Geometry

, Volume 38, Issue 2, pp 355–387 | Cite as

Four-Dimensional Regular Polyhedra

  • Peter McMullen
Article

Abstract

This paper completes the classification of the four-dimensional (finite) regular polyhedra, of which those with planar faces were—in effect—found by Arocha, Bracho and Montejano. However, the methods employed here are in the same spirit as those used in the description of all three-dimensional regular polytopes by this author and Schulte, and the regular polytopes of full rank by this author. The procedure has two stages. First, the possible dimension vectors (dim R0,dim R1,dim R2) of the mirrors R0,R1,R2 of the generating reflexions of the symmetry groups are determined. Second, all polyhedra with a given dimension vector are found. Most of the polyhedra are related to four-dimensional Coxeter groups, although one class has to be approached using quaternions.

Keywords

Coxeter Group Dimension Vector Regular Polygon Outer Automorphism Initial Vertex 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer 2007

Authors and Affiliations

  1. 1.Department of Mathematics, University College London, Gower StreetLondon WC1E 6BTEngland

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