# Volume 14, No. 1 (2020)

Groups, Geometry, and Dynamics

pp. 1–24 On the subexponential growth of groups acting on rooted treesDominik Francoeur

DOI 10.4171/GGD/531pp. 25–39 Co-rank of weakly parafree 3-manifold groupsShelly HarveyEamonn Tweedy

DOI 10.4171/GGD/532pp. 41–59 Special subgroups of Bianchi groupsMichelle Chu

DOI 10.4171/GGD/533pp. 61–79 On topological full groups of $Z_{d}$-actionsMaksym ChornyiKate JuschenkoVolodymyr V. Nekrashevych

DOI 10.4171/GGD/534pp. 81–105 On continued fraction expansions of quadratic irrationals in positive characteristicFrédéric PaulinUri Shapira

DOI 10.4171/GGD/535pp. 107–115 Self-similar products of groupsLaurent BartholdiSaid N. Sidki

DOI 10.4171/GGD/536pp. 117–135 No growth-gaps for special cube complexesJiakai LiDaniel T. Wise

DOI 10.4171/GGD/537pp. 137–149 Approaching the UCT problem via crossed products of the Razak–Jacelon algebraSelçuk BarlakGábor Szabó

DOI 10.4171/GGD/538pp. 151–175 Pseudo-Anosov homeomorphisms not arising from branched coversChristopher J. LeiningerAlan W. Reid

DOI 10.4171/GGD/539pp. 177–211 Limits of conjugacy classes under iterates of hyperbolic elements of Out($F$)Pritam Ghosh

DOI 10.4171/GGD/540pp. 213–242 On units in orders in 2-by-2 matrices over quaternion algebras with rational centerAnn Kiefer

DOI 10.4171/GGD/541pp. 243–254 Free subgroups of 3-manifold groupsMikhail BelolipetskyCayo Dória

DOI 10.4171/GGD/542pp. 255–282 Cannon–Thurston maps, subgroup distortion, and hyperbolic hydraOwen BakerTimothy R. Riley

DOI 10.4171/GGD/543pp. 283–295 Boundary conditions detecting product splittings of CAT(0) spacesRussell Ricks

DOI 10.4171/GGD/544pp. 297–336 The weak specification property for geodesic flows on $CAT(–1)$ spacesDavid ConstantineJean-François LafontDaniel J. Thompson

DOI 10.4171/GGD/545