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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Nov 3, 2009 at 16:42 vote accept David Zureick-Brown
Nov 3, 2009 at 7:32 answer added David Lehavi timeline score: 2
Nov 3, 2009 at 7:18 history asked David Zureick-Brown CC BY-SA 2.5