%0 Journal Article %A Gabi Ben-Simon %A Tobias Hartnick %T Quasi-total actions and translation numbers %J Groups, geometry, and dynamics %D 2015 %P 479-530 %V 9 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/319/ %R 10.4171/ggd/319 %F 10_4171_ggd_319