Will a 6-chromatic unit distance graph be discovered by end of 2025?
10
56
245
resolved Apr 23
Resolved as
17%

Will a graph be discovered that can be embedded in the plane with all edges of length 1 that cannot be colored with 5 colors? The current record is a 5-chromatic graph discovered by Aubrey de Grey in 2018.

https://en.wikipedia.org/wiki/Hadwiger%E2%80%93Nelson_problem

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In light of Manifold's "pivot", I don't feel comfortable using this site, so I'm leaving and resolving all my open markets to current probability. Sorry everyone.