2 papers
math.GR2025
Simple Expansion Sets and Non-Positive Curvature
Daniel Farley
An expansion set is a set such that each is equipped with a set of expansions . The theory of expansion sets offers a systematic a…
math.GR2023
Finiteness properties of generalized Thompson groups via expansion sets
Daniel Farley
We outline a general procedure that builds classifying spaces for generalized Thompson groups . The construction depends on a small number of choices: (1) an inverse semigroup $…