J4 ›› 2011, Vol. 46 ›› Issue (8): 84-88.

• Articles • Previous Articles     Next Articles

Star edge coloring of tree

DENG Kai1, LIU Xin-sheng2, TIAN Shuang-liang1   

  1. 1. School of Mathematics and Computer Science, Northwest University for Nationalities, Lanzhou 730124, Gansu, China;
    2. School of Mathematics and Information Science, Northwest Normal University, Lanzhou 730070, Gansu, China
  • Received:2010-08-30 Online:2011-08-20 Published:2011-09-08

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Abstract:

The star edge coloring of tree is studied, the star chromatic index of two kinds of special trees are obtained, and an attainable upper bound of star chromatic index of tree is proved.

Key words: star edge coloring; star chromatic index; complete n-ary tree; tree

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