
Re: cotpi 69  Black and white plane
Posted:
Oct 2, 2013 8:30 PM


quasi <quasi@null.set> writes:
> Does there exist a 2coloring of Q^2 such that no two points > of Q^2 which are 1 unit apart have the same color?
Yes. This is a result of Woodall from 1973. ("Distances realized by sets covering the plane.")

