Timeline for What is the minimum N for which there exist N points in the plane that cannot be covered by any number of non-overlapping closed unit discs?
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Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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Apr 14, 2015 at 9:48 | history | answered | Zsbán Ambrus | CC BY-SA 3.0 |