English

Perfect colorings of $Z^2$: Nine colors

Combinatorics 2009-01-05 v1

Abstract

We list all perfect colorings of Z2Z^2 by 9 or less colors. Keywords: perfect colorings, equitable partitions

Keywords

Cite

@article{arxiv.0901.0004,
  title  = {Perfect colorings of $Z^2$: Nine colors},
  author = {Denis Krotov},
  journal= {arXiv preprint arXiv:0901.0004},
  year   = {2009}
}

Comments

177 pages (large Appendix). !Attention: .ps is 17Mb, .pdf is 1.6Mb, archived source is 40kb