J4 ›› 2010, Vol. 45 ›› Issue (8): 40-42.

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Improper equitable coloring of forests

LIU Shu-li   

  1. School of Mathematics and Information Sciences, Weifang University, Weifang 261061, Shandong, China
  • Received:2009-12-16 Online:2010-08-16 Published:2010-09-16

Abstract:

It was given that a necessary and sufficient condition of a forest to be improper equitable (k,d)*-colorable, which extended the result of Gerard J. Chang.

Key words: forest; equitable coloring; d-relax stable set; d-relax stable number;improper equitable coloring

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