Chromatic equivalence classes of complete tripartite graphs
Some necessary conditions on a graph which has the same chromatic polynomial as the complete tripartite graph Km, n, r are developed. Using these, we obtain the chromatic equivalence classes for Km, n, n (where 1 ? m ? n) and Km1, m2, m3 (where | mi - mj | ? 3). In particular, it is shown that (i) K...
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2023
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