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S Mar 31, 2010 at 10:37 vote accept Tony Zhang
Mar 31, 2010 at 10:37 vote accept Tony Zhang
S Mar 31, 2010 at 10:37
Mar 31, 2010 at 10:37 vote accept Tony Zhang
Mar 31, 2010 at 10:37
Mar 31, 2010 at 10:37 vote accept Tony Zhang
Mar 31, 2010 at 10:37
Mar 31, 2010 at 10:34 vote accept Tony Zhang
Mar 31, 2010 at 10:34
Mar 29, 2010 at 7:12 answer added Sebastian timeline score: 4
Mar 29, 2010 at 1:39 history edited Yemon Choi CC BY-SA 2.5
corrected a typo in the title
Mar 29, 2010 at 0:37 history edited Tony Zhang CC BY-SA 2.5
added 50 characters in body
Mar 28, 2010 at 10:04 comment added Sergei Ivanov You forgot to divide $\chi$ by 2.
Mar 28, 2010 at 9:46 answer added Sergei Ivanov timeline score: 10
Mar 28, 2010 at 8:18 history asked Tony Zhang CC BY-SA 2.5