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Apr 9, 2013 at 4:05 vote accept Ricardo Andrade
Apr 9, 2013 at 0:07 history edited Ricardo Andrade CC BY-SA 3.0
deleted 41 characters in body
Apr 8, 2013 at 23:56 history edited Ricardo Andrade CC BY-SA 3.0
edit to take account of new answers; added 8 characters in body; deleted 5 characters in body
Apr 8, 2013 at 23:16 answer added Ricardo Andrade timeline score: 6
Apr 8, 2013 at 22:49 answer added Allen Hatcher timeline score: 28
Apr 8, 2013 at 19:22 history edited Ricardo Andrade CC BY-SA 3.0
clarification; deleted 9 characters in body
Apr 8, 2013 at 13:40 answer added Liviu Nicolaescu timeline score: 10
Apr 8, 2013 at 11:37 answer added Peter Michor timeline score: 7
Apr 8, 2013 at 7:47 history edited Ricardo Andrade CC BY-SA 3.0
added 11 characters in body
Apr 8, 2013 at 7:35 history asked Ricardo Andrade CC BY-SA 3.0