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Main Author: Mochán, Elías
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2506.04406
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author Mochán, Elías
author_facet Mochán, Elías
contents Abstract polytopes generalize the face lattice of convex polytopes. A polytope is semiregular if its facets are regular and its automorphism group acts transitively on its vertices. In this paper we construct semiregular, facet-transitive polyhedra with trivial facet stabilizer, showing that semiregular abstract polyhedra can have an unbounded number of flag orbits, while having as little as one facet orbit. We interpret this construction in terms of operations applied to high rank regular and chiral polytopes, and we see how this same operations help us construct alternating semiregular polyhedra (that is, with two facet orbits and adjacent facets in different orbits). Finally, we give an idea to generalize this construction giving examples in higher ranks.
format Preprint
id arxiv_https___arxiv_org_abs_2506_04406
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Semiregular abstract polyhedra with trivial facet stabilizer
Mochán, Elías
Combinatorics
52B15 52B10 05E18
Abstract polytopes generalize the face lattice of convex polytopes. A polytope is semiregular if its facets are regular and its automorphism group acts transitively on its vertices. In this paper we construct semiregular, facet-transitive polyhedra with trivial facet stabilizer, showing that semiregular abstract polyhedra can have an unbounded number of flag orbits, while having as little as one facet orbit. We interpret this construction in terms of operations applied to high rank regular and chiral polytopes, and we see how this same operations help us construct alternating semiregular polyhedra (that is, with two facet orbits and adjacent facets in different orbits). Finally, we give an idea to generalize this construction giving examples in higher ranks.
title Semiregular abstract polyhedra with trivial facet stabilizer
topic Combinatorics
52B15 52B10 05E18
url https://arxiv.org/abs/2506.04406