Skip to main content
3 events
when toggle format what by license comment
Jul 29, 2010 at 6:00 vote accept Chen
Jul 28, 2010 at 7:16 comment added Per Vognsen I remember first reading about this construction in Hopf's Differential Geometry in the Large. It's a great book for concrete insights like this one.
Jul 28, 2010 at 6:45 history answered Ryan Budney CC BY-SA 2.5