On edge colorings of 1-planar graphs

  • Authors:
  • Xin Zhang;Jian-Liang Wu

  • Affiliations:
  • School of Mathematics, Shandong University, Jinan 250100, China;School of Mathematics, Shandong University, Jinan 250100, China

  • Venue:
  • Information Processing Letters
  • Year:
  • 2011

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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 paper, it is shown that every 1-planar graph with maximum degree @D=10 can be edge-colored with @D colors.