M. Hull and D. Osin, Induced quasi-cocycles on groups with hyperbolically embedded subgroups. arXiv:1203.5436v2. Submitted to Algebraic and Geometric Topology.
M. Hull and D. Osin, Conjugacy growth of finitely generated groups. Adv. Math. 235 (2013), 361-389.
M. Hull, Conjugacy growth in polycyclic groups. Arch. Math. 96 (2011), no. 2, 131-134.
