Open AccessHarmonious coloring on double star graph families
Tamkang Journal Of MathematicsPeer ReviewedJ. Vernold Vivin +22012Journals
In this present paper, we have proved for the line graph of double star graph, the harmonious chromatic number and the achromatic number are equal. As a motivation this work can be extended by classifying the different families of graphs for which these two numbers are equal
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