JournalsggdVol. 12, No. 2Groups, Geometry, and DynamicsVolume 12, Number 2, 2018DOI: 10.4171/ggd | ISSN: 1661-7207 | eISSN: 1661-7215von Neumann’s problem and extensions of non-amenable equivalence relationsLewis BowenDaniel HoffAdrian Ioanapp. 399–448Proper affine actions in non-swinging representationsIlia Smilgapp. 449–528Quasi-automorphisms of the infinite rooted 2-edge-coloured binary treeBrita E. A. NucinkisSimon St. John-Greenpp. 529–570A dense geodesic ray in the Out$(F_r)$-quotient of reduced Outer SpaceYael Algom-KfirCatherine Pfaffpp. 571–613Metric topological groups: their metric approximation and metric ultraproductsMichal Douchapp. 615–636Fundamental groups of aspherical manifolds and maps of non-zero degreeChristoforos Neofytidispp. 637–677Classifying virtually special tubular groupsDaniel J. Woodhousepp. 679–702The action of the mapping class group on the space of geodesic rays of a punctured hyperbolic surfaceBrian H. BowditchMakoto Sakumapp. 703–719Spaces of invariant circular orders of groupsHyungryul BaikEric Sampertonpp. 721–763Generators of split extensions of Abelian groups by cyclic groupsLuc Guyotpp. 765–802

von Neumann’s problem and extensions of non-amenable equivalence relationsLewis BowenDaniel HoffAdrian Ioanapp. 399–448

Quasi-automorphisms of the infinite rooted 2-edge-coloured binary treeBrita E. A. NucinkisSimon St. John-Greenpp. 529–570

A dense geodesic ray in the Out$(F_r)$-quotient of reduced Outer SpaceYael Algom-KfirCatherine Pfaffpp. 571–613

Metric topological groups: their metric approximation and metric ultraproductsMichal Douchapp. 615–636

Fundamental groups of aspherical manifolds and maps of non-zero degreeChristoforos Neofytidispp. 637–677

The action of the mapping class group on the space of geodesic rays of a punctured hyperbolic surfaceBrian H. BowditchMakoto Sakumapp. 703–719