%0 Journal Article %A Antoine Gournay %T Mixing, malnormal subgroups and cohomology in degree one %J Groups, geometry, and dynamics %D 2018 %P 1371-1416 %V 12 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/472/ %R 10.4171/ggd/472 %F 10_4171_ggd_472