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Showing 1 to 1 of 1 for “"unique colorability"”.
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Well-covered Graphs, Unique Colorability, and Covering Range
… of well-covered k-trees. A graph is said to be uniquely χ-colorable if, modulo permutations of colors, it has exactly one proper χ-coloring. The k-trees with at least k+1 vertices are minimal uniquely (k +1)-colorable, i.e., they have the minimal number of edges necessary for uniquely …