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Timeline for MO-Hard Questions

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May 7, 2019 at 11:41 comment added Nick Gill A solution to this question has appeared on the arXiv: arxiv.org/pdf/1812.04167.pdf
Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Aug 22, 2014 at 10:04 comment added Frieder Ladisch This question now appears in the 18th ed. of the "Kourovka notebook" as Problem 18.1 (suggested by I. M. Isaacs). I think it was also on mathoverflow where it was pointed out first (by Isaacs) that a "solution" in the literature is not complete.
S Aug 14, 2014 at 17:50 history answered Nick Gill CC BY-SA 3.0
S Aug 14, 2014 at 17:50 history made wiki Post Made Community Wiki by Nick Gill