JournalsggdVol. 14, No. 1Volume 14, No. 1 (2020) Groups, Geometry, and Dynamicspp. 1–24On the subexponential growth of groups acting on rooted treesDominik Francoeurpp. 25–39Co-rank of weakly parafree 3-manifold groupsShelly HarveyEamonn Tweedypp. 41–59Special subgroups of Bianchi groupsMichelle Chupp. 61–79On topological full groups of $Z_{d}$-actionsMaksym ChornyiKate JuschenkoVolodymyr V. Nekrashevychpp. 81–105On continued fraction expansions of quadratic irrationals in positive characteristicFrédéric PaulinUri Shapirapp. 107–115Self-similar products of groupsLaurent BartholdiSaid N. Sidkipp. 117–135No growth-gaps for special cube complexesJiakai LiDaniel T. Wisepp. 137–149Approaching the UCT problem via crossed products of the Razak–Jacelon algebraSelçuk BarlakGábor Szabópp. 151–175Pseudo-Anosov homeomorphisms not arising from branched coversChristopher J. LeiningerAlan W. Reidpp. 177–211Limits of conjugacy classes under iterates of hyperbolic elements of Out($F$)Pritam Ghoshpp. 213–242On units in orders in 2-by-2 matrices over quaternion algebras with rational centerAnn Kieferpp. 243–254Free subgroups of 3-manifold groupsMikhail BelolipetskyCayo Dóriapp. 255–282Cannon–Thurston maps, subgroup distortion, and hyperbolic hydraOwen BakerTimothy R. Rileypp. 283–295Boundary conditions detecting product splittings of CAT(0) spacesRussell Rickspp. 297–336The weak specification property for geodesic flows on $CAT(–1)$ spacesDavid ConstantineJean-François LafontDaniel J. Thompson

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

pp. 81–105On continued fraction expansions of quadratic irrationals in positive characteristicFrédéric PaulinUri Shapira

pp. 137–149Approaching the UCT problem via crossed products of the Razak–Jacelon algebraSelçuk BarlakGábor Szabó

pp. 151–175Pseudo-Anosov homeomorphisms not arising from branched coversChristopher J. LeiningerAlan W. Reid

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

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