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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Apr 20, 2012 at 19:48 vote accept Igor Rivin
Apr 20, 2012 at 19:26 answer added Greg Kuperberg timeline score: 4
Apr 20, 2012 at 19:23 answer added Bill Johnson timeline score: 5
Apr 20, 2012 at 19:19 history asked Igor Rivin CC BY-SA 3.0