KHashmi317 Posted February 27, 2019 Report Share Posted February 27, 2019 Aubrey de Grey seems to have had some spare time last year .... for math ... (Saul may appreciate this) ... https://arxiv.org/abs/1804.02385 Link to comment Share on other sites More sharing options...
Saul Posted February 27, 2019 Report Share Posted February 27, 2019 Hi Khurram! The graph coloring problem is an old problem -- it was solved a few decades ago, using a lot of computer work -- the old conjecture that you need only 4 colors was finally proven -- with a lot of computer work. Aubrey is considering a modification -- add the restriction that all lines in the planar graph are lenght one. Then, he purports to show that you need at least 5 colors. 😇 -- Saul Link to comment Share on other sites More sharing options...
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