J4 ›› 2010, Vol. 45 ›› Issue (10): 27-30.

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Double edge coloring on two classes of approximate Halin graphs

SHAN Wei1, WU Jian-liang2   

  1. 1. School of Science, Jinan University, Jinan 250022, Shandong, China;
    2. School of Mathematics, Shandong University, Jinan 250100, Shandong, China
  • Received:2009-12-14 Online:2010-10-16 Published:2010-10-19

Abstract:

For two classes of approximate Halin graphs,it is proved that the double edge chromatic numbers satisfy χe/vf(G)=FM(G).

Key words: Halin graph; double-face tree type graph; weak subdivision graph; double edge coloring

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