The Basilica Thompson group is not finitely presented
classification
🧮 math.GR
math.GT
keywords
basilicafinitelygrouppresentedthompsonbelkcertaincomplexes
read the original 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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