Hyperbolic hyperbolic-by-cyclic groups are cubulable

Published 26 Jun 2023 in math.GR | (2306.15054v2)

Abstract: We show that the mapping torus of a hyperbolic group by a hyperbolic automorphism is cubulable. Along the way, we (i) give an alternate proof of Hagen and Wise's theorem that hyperbolic free-by-cyclic groups are cubulable, and (ii) extend to the case with torsion Brinkmann's thesis that a torsion-free hyperbolic-by-cyclic group is hyperbolic if and only if it does not contain $\mathbb{Z}^{2$-subgroups.}