%0 Journal Article %A Michael Stoll %T Reduction theory of point clusters in projective space %J Groups, geometry, and dynamics %D 2011 %P 553-565 %V 5 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/139/ %R 10.4171/ggd/139 %F 10_4171_ggd_139