Geodesic
On Prime Labeling of Some Union Graphs
Kragujevac Journal of Mathematics, Tome 42 (2018) no. 3, p. 441 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

The cycle $C_n$ is a well-known example of a prime graph and also it is quite easy to establish that the graph $C_n^{(k)}$ which is the one point union of k copies of the cycle $C_n$, is a prime graph. In this paper we investigate prime labeling for graphs which are either union of $C_n^{(k)}$'s or union of cycle graphs.
Classification : 05C78 05C76, 05C38
Keywords: union of graphs, one point union of cycles, prime labeling 
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     author = {S. K. Patel and Jayesh Vasava},
     title = {On {Prime} {Labeling} of {Some} {Union} {Graphs}},
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S. K. Patel; Jayesh Vasava. On Prime Labeling of Some Union Graphs. Kragujevac Journal of Mathematics, Tome 42 (2018) no. 3, p. 441 . http://geodesic.mathdoc.fr/item/KJM_2018_42_3_a9/