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arXiv · 1603.01150

The Basilica Thompson group is not finitely presented

Stefan Witzel·Matthew C. B. Zaremsky
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Abstract

We show that the Basilica Thompson group introduced by Belk and Forrest is not finitely presented, and in fact is not of type FP_2. The proof involves developing techniques for proving non-simple connectedness of certain subcomplexes of CAT(0) cube complexes.

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Stefan Witzel, Matthew C. B. Zaremsky. 2016-03-03. The Basilica Thompson group is not finitely presented. https://arxiv.org/abs/1603.01150

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