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Oct 22, 2015 at 5:38 vote accept Yuji Tachikawa
May 17, 2014 at 2:40 answer added David Roberts timeline score: 7
Sep 27, 2011 at 13:26 vote accept Yuji Tachikawa
Oct 22, 2015 at 5:38
Sep 27, 2011 at 13:25 vote accept Yuji Tachikawa
Sep 27, 2011 at 13:25
Sep 20, 2010 at 15:55 history edited Yuji Tachikawa CC BY-SA 2.5
added 121 characters in body
Sep 20, 2010 at 6:09 answer added Dev Sinha timeline score: 15
Sep 20, 2010 at 5:29 answer added Makoto timeline score: -5
Sep 11, 2010 at 18:02 history edited Yuji Tachikawa CC BY-SA 2.5
uh, the statement on the generator of \pi_4(S^3) was wrong. Gosh.
Sep 11, 2010 at 6:31 comment added Tom Church Don't be so hard on your question. Visualization is an important tool for understanding, but one that is sometimes hard to get through the usual channels. I think there are many research mathematicians who could learn something from a good answer to this question; I know I look forward to reading the answers.
Sep 11, 2010 at 5:43 answer added Per Vognsen timeline score: 12
Sep 11, 2010 at 4:50 answer added Bo Peng timeline score: 2
Sep 11, 2010 at 4:34 comment added Yuji Tachikawa Should it be on math.stackexchange.com instead? It's surely not a research-level question...
Sep 11, 2010 at 4:27 history edited Yuji Tachikawa CC BY-SA 2.5
added 313 characters in body
Sep 11, 2010 at 3:28 history asked Yuji Tachikawa CC BY-SA 2.5