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Sep 7, 2011 at 8:53 vote accept nb1
Sep 7, 2011 at 8:42 answer added Luke Gustafson timeline score: 10
Sep 7, 2011 at 8:19 comment added S. Carnahan arxiv.org/abs/math/0201102
Sep 7, 2011 at 5:45 history asked nb1 CC BY-SA 3.0