JournalsggdVol. 6, No. 4Groups, Geometry, and DynamicsVolume 6, No. 4 (2012)DOI: 10.4171/ggd | ISSN: 1661-7207 | eISSN: 1661-7215pp. 619–638On the asymptotics of visible elements and homogeneous equations in surface groupsYago AntolínLaura CiobanuNoèlia Vilespp. 639–658On the separation profile of infinite graphsItai BenjaminiOded SchrammÁdám Timárpp. 659–675Cohomological invariants and the classifying space for proper actionsGiovanni Gandinipp. 677–699A non-trivial example of a free-by-free group with the Haagerup propertyFrançois Gauteropp. 701–736<var>N</var>-step energy of maps and the fixed-point property of random groupsHiroyasu IzekiTakefumi KondoShin Nayatanipp. 737–754Arithmetic aspects of self-similar groupsMichael Kapovichpp. 755–763Interval exchanges that do not occur in free groupsChristopher F. Novakpp. 765–801Existence, covolumes and infinite generation of lattices for Davis complexesAnne Thomas

pp. 619–638On the asymptotics of visible elements and homogeneous equations in surface groupsYago AntolínLaura CiobanuNoèlia Viles

pp. 701–736<var>N</var>-step energy of maps and the fixed-point property of random groupsHiroyasu IzekiTakefumi KondoShin Nayatani