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Jun 15, 2011 at 10:50 vote accept Zuriel
Jun 15, 2011 at 5:23 answer added Jim Conant timeline score: 2
Jun 14, 2011 at 15:06 comment added Dave Futer In fact, the isomorphism is quite far from "natural": there are choices involved, and those choices are closely linked to the braid group itself.
Jun 14, 2011 at 14:16 comment added Autumn Kent You should work it out by yourself first, but there's a nice visualization in Francis' Topological Picturebook (books.google.com/…).
Jun 14, 2011 at 13:04 history asked Zuriel CC BY-SA 3.0