English

On Radial Colorings of Annuli

Combinatorics 2014-12-25 v2

Abstract

We consider the chromatic numbers of unit-distance graphs of various annuli. In particular, we consider radial colorings, which are "nice" colorings, and completely determine the radial chromatic numbers of various annuli.

Keywords

Cite

@article{arxiv.1305.5229,
  title  = {On Radial Colorings of Annuli},
  author = {Jeremy F. Alm and Jacob Manske},
  journal= {arXiv preprint arXiv:1305.5229},
  year   = {2014}
}

Comments

11 pages, 14 figures