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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Feb 6, 2015 at 10:13 vote accept Ali Taghavi
Oct 28, 2014 at 13:11 answer added David E Speyer timeline score: 6
Oct 28, 2014 at 10:26 history edited Ali Taghavi CC BY-SA 3.0
added 444 characters in body
Oct 26, 2014 at 21:00 comment added Ben McKay Careful: if we take the natural orientation on $TS^2$ induced from that of $S^2$, we get $TS^2=O(2)$. But with the opposite orientation we get $O(-2)$.
Oct 26, 2014 at 20:16 history edited Ali Taghavi CC BY-SA 3.0
added 47 characters in body
Oct 26, 2014 at 18:44 answer added Alex Degtyarev timeline score: 1
Oct 26, 2014 at 18:40 history edited Ali Taghavi
edited tags
Oct 26, 2014 at 18:24 history edited Ali Taghavi CC BY-SA 3.0
added 34 characters in body
Oct 26, 2014 at 18:15 history asked Ali Taghavi CC BY-SA 3.0