Ian Leary

University of Southampton

CAT(0) groups need not be biautomatic

Algebra and Geometry Seminar

23rd October 2019, 2:30 pm – 3:30 pm
Fry Building, 2.04

Ashot Minasyan and I construct a family of groups that establish
the result of the title. The groups also answer a few other
questions, including a question asked by Dani Wise, so my talk
will focus mainly on the (easy) construction of the groups.
In particular, no prior knowledge of automaticity will be

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