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math.GR2015
Abelian splittings of Right-Angled Artin Groups
Daniel Groves, Michael Hull
We characterize when (and how) a Right-Angled Artin group splits nontrivially over an abelian subgroup.
math.GR2015★ 6 cited
Transitivity degrees of countable groups and acylindrical hyperbolicity
M. Hull, D. Osin
We prove that every countable acylindrically hyperbolic group admits a highly transitive action with finite kernel. This theorem uniformly generalizes many previously known results…