Graphical Eulerian numbers and chromatic
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Ioan Tomescu
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Article
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1987
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Elsevier Science
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English
β 217 KB
In this paper some further properties of the coefficients of a chromatic generating function introduced by Linial are proved. A combinatorial interpretation of these numbers is given by specializing some results of Stanley on posets to surjective n-colorings of a graph G of order n compatible with l