English

The Big-Line-Big-Clique Conjecture is False for Infinite Point Sets

Combinatorics 2010-08-19 v1

Abstract

The big-line-big-clique conjecture states that for all k,2k,\ell\geq2 there is an integer nn such that every finite set of at least nn points in the plane contains \ell collinear points or kk pairwise visible points. We show that this conjecture is false for infinite point sets, by constructing a countably infinite point set with no 4 collinear points and no 3 pairwise visible points.

Keywords

Cite

@article{arxiv.1008.2988,
  title  = {The Big-Line-Big-Clique Conjecture is False for Infinite Point Sets},
  author = {Attila~Pór and David R. Wood},
  journal= {arXiv preprint arXiv:1008.2988},
  year   = {2010}
}