On the Dominator Colorings in Bipartite Graphs

@article{Gera2007OnTD,
  title={On the Dominator Colorings in Bipartite Graphs},
  author={Ralucca Gera},
  journal={Fourth International Conference on Information Technology (ITNG'07)},
  year={2007},
  pages={947-952}
}
A graph has a dominator coloring if it has a proper coloring in which each vertex of the graph dominates every vertex of some color class. The dominator chromatic number <sub>Xd</sub>(G) is the minimum number of color classes in a dominator coloring of a graph G. In this paper we study the dominator chromatic number for the hypercube, Q<sub>n </sub> = Q<sub>n-</sub> times K<sub>2</sub> (with Q<sub>1</sub> cong P<sub>2</sub>, n ges 2), and more generally for bipartite graphs. We then conclude it… CONTINUE READING

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