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Mar 5, 2014 at 10:10 vote accept Ulrich Pennig
Dec 30, 2012 at 15:26 answer added Peter May timeline score: 6
Dec 30, 2012 at 14:28 comment added Dylan Wilson This article might be helpful: arxiv.org/pdf/0810.4535v3.pdf
Dec 30, 2012 at 14:22 history asked Ulrich Pennig CC BY-SA 3.0