On Edge Colorings of 1-Planar Graphs without 5-Cycles with Two Chords

oleh: Sun Lin, Wu Jianliang

Format: Article
Diterbitkan: University of Zielona Góra 2019-05-01

Deskripsi

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 paper, it is proved that every 1-planar graph with maximum degree ∆ ≥ 8 is edge-colorable with ∆ colors if each of its 5-cycles contains at most one chord.