The asymptotic geometry of right-angled Artin groups, I

Details The asymptotic geometry of right-angled Artin groups, I The asymptotic geometry of right-angled Artin groups, I

2007-08-14

arxiv.org/abs/0708.1937v1

Mathematics

Group Theory

Scientific paper

We study atomic right-angled Artin groups -- those whose defining graph has no cycles of length less than five, and no separating vertices, separating edges, or separating vertex stars. We show that these groups are not quasi-isometrically rigid, but that an intermediate form of rigidity does hold. We deduce from this that two atomic groups are quasi-isometric iff they are isomorphic.

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