English

Class two 1-planar graphs with maximum degree six or seven

Combinatorics 2011-04-26 v1 Discrete Mathematics

Abstract

A graph is 1-planar if it can be drawn on the plane so that each edge is crossed by at most one other edge. In this note we give examples of class two 1-planar graphs with maximum degree six or seven.

Keywords

Cite

@article{arxiv.1104.4687,
  title  = {Class two 1-planar graphs with maximum degree six or seven},
  author = {Xin Zhang},
  journal= {arXiv preprint arXiv:1104.4687},
  year   = {2011}
}

Comments

3 pages, 2 figures

R2 v1 2026-06-21T17:58:19.890Z