Modular Chromatic Number of Certain Cyclic Graphs
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Abstract
A modular - coloring, of a graph without isolated vertices is vertex coloring of with the positive integers , for all , where the adjacent vertices may be colored by the same integer and sums of the colors of their neighbors are different in . The minimum for which the has a modular - coloring is the modular chromatic number of . In this paper, the modular chromatic number of generalized Jahangir graph, generalized Petersen graph, and generalized uniform theta graph are found.
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