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2
votes
1
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Limit Group decomposition
I would need a clarification about a statement in the article Limit groups and groups acting freely on $\mathbb{R}^n$-trees by Vincent Guirardel.
First recall that a limit group is a finitely ...
7
votes
1
answer
299
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How large is this "algebra" of defining graphs for Right-angled Artin groups?
As part of my research, I have been trying to construct a spherical space at infinity for every right-angled artin group. I've been able to work it out for a certain class of defining graphs. I'd like ...