English

Graphs with bounded tree-width and large odd-girth are almost bipartite

Combinatorics 2009-04-16 v1

Abstract

We prove that for every kk and every ε>0\varepsilon>0, there exists gg such that every graph with tree-width at most kk and odd-girth at least gg has circular chromatic number at most 2+ε2+\varepsilon.

Keywords

Cite

@article{arxiv.0904.2282,
  title  = {Graphs with bounded tree-width and large odd-girth are almost bipartite},
  author = {Alexandr V. Kostochka and Daniel Kral' and Jean-Sebastien Sereni and Michael Stiebitz},
  journal= {arXiv preprint arXiv:0904.2282},
  year   = {2009}
}
R2 v1 2026-06-21T12:51:33.006Z