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 The isomorphism classes of the generalized Petersen graphs
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 In earlier work involving cycles in Generalized Petersen Graphs, we noticed some unexpected instances of P.m; k/ D P.m; l/. In this article, all such instances are characterized. A formula is presented for the number of isomorphism classes of P.m; k/.
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 Generalized Petersen graphs, Isomorphism classes, Dominating cycles, Automorphism, Mathematica
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