Some Results on Prime Labeling

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DOI: 10.4236/ojdm.2014.43009    2,173 Downloads   2,858 Views   Citations

ABSTRACT

In the present work we investigate some classes of graphs and disjoint union of some classes of graphs which admit prime labeling. We also investigate prime labeling of a graph obtained by identifying two vertices of two graphs. We also investigate prime labeling of a graph obtained by identifying two edges of two graphs. Prime labeling of a prism graph is also discussed. We show that a wheel graph of odd order is switching invariant. A necessary and sufficient condition for the complement of Wn to be a prime graph is investigated.

Cite this paper

Prajapati, U. and Gajjar, S. (2014) Some Results on Prime Labeling. Open Journal of Discrete Mathematics, 4, 60-66. doi: 10.4236/ojdm.2014.43009.

References

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