TY - JOUR AU - Nic Koban AU - Jon McCammond AU - John Meier TI - The BNS-invariant for the pure braid groups JO - Groups, geometry, and dynamics PY - 2015 SP - 665 EP - 682 VL - 9 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/323/ DO - 10.4171/ggd/323 ID - 10_4171_ggd_323 ER -