3 problems

Linear lower-bound conjecture for distinct dot products of planar point sets
Linear distinct-dot-products conjecture. For every such sequence,
openFrom papersdistinct-dot-products incidence-geometry planar-point-sets
0 responses
11
Payne–Wood's coloring conjecture for planar point sets
Payne–Wood's coloring conjecture. Every such set $P$ can be colored with $O(\sqrt{n})$ colors so that each color class is in general position.
openFrom paperscombinatorial-geometry graph-coloring planar-point-sets
0 responses
4
Payne–Wood's quadratic conjecture for the planar Ramsey number
Payne–Wood's conjecture.
openFrom paperscombinatorial-geometry planar-point-sets ramsey-theory
0 responses
6