Author: Drutu Badea, CBehrstock, JSapir, MPublication Date: 2011Journal: Proc. Lond. Math. Soc.Last Updated: 2019-04-16T19:56:35.143+01:00Issue: 3Volume: 102DOI: 10.1112/plms/pdr008page: 555-562Symplectic id: 196134Submitted to ORA: Not SubmittedPublication Type: Journal Article