Skip to main content
4 events
when toggle format what by license comment
Jun 24, 2010 at 6:44 vote accept Jun Lu
May 31, 2010 at 6:26 history edited Gjergji Zaimi CC BY-SA 2.5
added 1 characters in body
May 31, 2010 at 5:29 comment added HJRW You could also look at Bridson & Haefliger's book Metric spaces of non-positive curvature.
May 31, 2010 at 5:23 history answered Gjergji Zaimi CC BY-SA 2.5