Broken-cycle-free subgraphs and the log-concavity conjecture for chromatic polynomials.
Experimental mathematics, Tome 15 (2006) no. 3, pp. 343-353.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Keywords: chromatic polynomial, log-concavity
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     author = {Lundow, P.H. and Markstr\"om, K.},
     title = {Broken-cycle-free subgraphs and the log-concavity conjecture for chromatic polynomials.},
     journal = {Experimental mathematics},
     pages = {343--353},
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     volume = {15},
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     year = {2006},
     zbl = {1120.05032},
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Lundow, P.H.; Markström, K. Broken-cycle-free subgraphs and the log-concavity conjecture for chromatic polynomials.. Experimental mathematics, Tome 15 (2006) no. 3, pp. 343-353. http://geodesic.mathdoc.fr/item/EXMA_2006__15_3_223876/