One-Point Suspensions and Wreath Products of Polytopes and Spheres

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It is known that the suspension of a simplicial complex can be realized with only one additional point. Suitable iterations of this construction generate highly symmetric simplicial complexes with various interesting combinatorial and topological properties. In particular, infinitely many non-PL spheres as well as contractible simplicial complexes with a vertex-transitive group of automorphisms can be obtained in this way.
17 pages, 8 figures

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Combinatorics, 55U05; 06A07; 52B15; 57Q15

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http://salesiana.dossiersoluciones.com/handle/123456789/70631

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0403494
 http://arxiv.org/abs/math/0403494

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arXiv