On Infinite Kepler-Poinsot Polyhedra

Dirk Huylebrouck
Proceedings of Bridges 2017: Mathematics, Art, Music, Architecture, Education, Culture
Pages 313–320 Regular Papers

Abstract

Polyhedra are a standard math-art topic, but the Kepler-Poinsot solids and the infinite Petrie-Coxeter polyhedra are less emphasized. Their combination is even entirely new, and so it happened a new regular polyhedron, of infinite Petrie-Coxeter and Kepler-Poinsot type, was recently discovered. The present paper explores this case and two more: a tetrahedral, octahedral and an icosahedral symmetry case. It provides an example of an infinite Kepler-Poinsot solid in each case. It discusses their construction and, if possible, their generalized Euler-Cayley-formula.

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