Journal of combinatorial theory. Series B

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  Año 2009, Vol. 99, Número 6

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    More spectral bounds on the clique and independence numbers

    Vladimir Nikiforov

    págs. 819-826

    
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    Ore-type and Dirac-type theorems for matroids

    Sean McGuinness

    págs. 827-842

    
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    Tight spans of distances and the dual fractionality of undirected multiflow problems

    Hiroshi Hirai

    págs. 843-868

    
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    Zero-free regions for multivariate Tutte polynomials (alias Potts-model partition functions) of graphs and matroids

    Bill Jackson , Alan D. Sokal

    págs. 869-903

    
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    Complete solutions to the Oberwolfach problem for an infinite set of orders

    Darryn E. Bryant, Victor Scharaschkin

    págs. 904-918