TY - JOUR AU - Michael Stoll TI - Reduction theory of point clusters in projective space JO - Groups, geometry, and dynamics PY - 2011 SP - 553 EP - 565 VL - 5 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/139/ DO - 10.4171/ggd/139 ID - 10_4171_ggd_139 ER -