Volume 6, No. 4 (2012)
Groups, Geometry, and Dynamics

pp. 619–638 On the asymptotics of visible elements and homogeneous equations in surface groupsYago AntolínLaura CiobanuNoèlia Viles
pp. 639–658 On the separation profile of infinite graphsItai BenjaminiOded SchrammÁdám Timár
pp. 659–675 Cohomological invariants and the classifying space for proper actionsGiovanni Gandini
pp. 677–699 A non-trivial example of a free-by-free group with the Haagerup propertyFrançois Gautero
pp. 701–736 -step energy of maps and the fixed-point property of random groupsHiroyasu IzekiTakefumi KondoShin Nayatani
pp. 737–754 Arithmetic aspects of self-similar groupsMichael Kapovich
pp. 755–763 Interval exchanges that do not occur in free groupsChristopher F. Novak
pp. 765–801 Existence, covolumes and infinite generation of lattices for Davis complexesAnne Thomas