English

Bipartite complements of circle graphs

Combinatorics 2020-02-19 v2

Abstract

Using an algebraic characterization of circle graphs, Bouchet proved in 1999 that if a bipartite graph GG is the complement of a circle graph, then GG is a circle graph. We give an elementary proof of this result.

Keywords

Cite

@article{arxiv.1910.08388,
  title  = {Bipartite complements of circle graphs},
  author = {Louis Esperet and Matěj Stehlík},
  journal= {arXiv preprint arXiv:1910.08388},
  year   = {2020}
}

Comments

3 pages, revised version

R2 v1 2026-06-23T11:47:46.563Z