Modular colorings of join of two special graphs
Author(s) -
N. Paramaguru,
R. Sampathkumar
Publication year - 2014
Publication title -
electronic journal of graph theory and applications
Language(s) - English
Resource type - Journals
ISSN - 2338-2287
DOI - 10.5614/ejgta.2014.2.2.6
Subject(s) - combinatorics , join (topology) , modular design , chromatic scale , mathematics , graph , edge coloring , complete coloring , discrete mathematics , computer science , graph power , line graph , operating system
For k≥2, a modular k-coloring of a graph G without isolated vertices is a coloring of the vertices of G with the elements in Zk having the property that for every two adjacent vertices of G, the sums of the colors of their neighbors are different in Zk. The minimum k for which G has a modular k-coloring is the modular chromatic number of G. In this paper, we determine the modular chromatic number of join of two special graphs
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