2008•Journal of Heilongjiang Institute of Science and TechnologyRequires access

Dynamic chromatic number of some planar graphs

Qin Jian

Abstract

In order to investigate the dynamic chromatic number of planar graph,according to structural symmetry property of fireworks graph,sunflower graph and windmill graph,and classifying the vertex number in a proper approach,this paper studies the dynamic chromatic number of these three graphs and gives the dynamic chromatic number of fireworks graph,sunflower graph and windmill graph are 4,3,3,respectively.

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Key concepts: Windmill graph, Friendship graph, Combinatorics, Butterfly graph, Mathematics, Graph, Outerplanar graph, Foster graph