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DM 2008
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Coloring the Cartesian sum of graphs
14 years 19 days ago
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www.calstatela.edu
For graphs G and H, let G H denote their Cartesian sum. This paper investigates the chromatic number and the circular chromatic number for GH. It is proved that (G H) max{ c(G)...
Daphne Der-Fen Liu, Xuding Zhu
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