Coloring d-Embeddable k-Uniform Hypergraphs
Combinatorics
2014-12-01 v2
Abstract
This paper extends the scenario of the Four Color Theorem in the following way. Let H(d,k) be the set of all k-uniform hypergraphs that can be (linearly) embedded into R^d. We investigate lower and upper bounds on the maximum (weak and strong) chromatic number of hypergraphs in H(d,k). For example, we can prove that for d>2 there are hypergraphs in H(2d-3,d) on n vertices whose weak chromatic number is Omega(log n/log log n), whereas the weak chromatic number for n-vertex hypergraphs in H(d,d) is bounded by O(n^((d-2)/(d-1))) for d>2.
Cite
@article{arxiv.1209.4879,
title = {Coloring d-Embeddable k-Uniform Hypergraphs},
author = {Carl Georg Heise and Konstantinos Panagiotou and Oleg Pikhurko and Anusch Taraz},
journal= {arXiv preprint arXiv:1209.4879},
year = {2014}
}
Comments
18 pages