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A Combined Logarithmic Bound on the Chromatic Index of a Multigraph
Combined Logarithmic Bound Chromatic Index of Multigraph
2011/2/25
For a multigraph G, the integer round-up (G) of the fractional chromatic index f (G) yields a good general lower bound for the chromatic index „ (G). For an upper bound,...
Star chromatic index
Star chromatic index math
2010/11/19
The star chromatic index $\chi_s'(G)$ of a graph $G$ is the minimum number of colors needed to properly color the edges of the graph so that no path or cycle of length four is bi-colored. We obtain a...