Equitable coloring of Kronecker products of complete multipartite graphs and complete graphs

  • Authors:
  • Zhidan Yan;Wei Wang

  • Affiliations:
  • -;-

  • Venue:
  • Discrete Applied Mathematics
  • Year:
  • 2014

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Abstract

A proper vertex coloring of a graph is equitable if the sizes of color classes differ by at most 1. The equitable chromatic number of a graph G, denoted by @g"=(G), is the minimum k such that G is equitably k-colorable. The equitable chromatic threshold of a graph G, denoted by @g"=^*(G), is the minimum t such that G is equitably k-colorable for k=t. In this paper, we give the exact values of @g"=(K"m"""1","...","m"""rxK"n) and @g"=^*(K"m"""1","...","m"""rxK"n) for @?"i"="1^rm"i@?n.