Search Results - Classificació AMS::05 Combinatorics::05A Enumerative combinatorics

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    Bijections for Baxter families and related objects by Felsner, Stefan, Fusy, Éric, Noy, Marc, Orden, David

    ISSN: 0097-3165, 1096-0899
    Published: Elsevier Inc 01.04.2011
    Published in Journal of combinatorial theory. Series A (01.04.2011)
    “…The Baxter number B n can be written as B n = ∑ k = 0 n Θ k , n − k − 1 with Θ k , ℓ = 2 ( k + 1 ) 2 ( k + 2 ) ( k + ℓ k ) ( k + ℓ + 1 k ) ( k + ℓ + 2 k ) …”
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    Root Polytopes and Growth Series of Root Lattices by Ardila, Federico, Beck, Matthias, Hoşten, Serkan, Pfeifle, Julian, Seashore, Kim

    ISSN: 0895-4801, 1095-7146
    Published: Philadelphia, PA Society for Industrial and Applied Mathematics 01.01.2011
    Published in SIAM journal on discrete mathematics (01.01.2011)
    “…The convex hull of the roots of a classical root lattice is called a root polytope. We determine explicit unimodular triangulations of the boundaries of the…”
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    Extreme Weights in Steinhaus Triangles by Brunat, Josep M., Maureso, Montserrat

    ISSN: 1571-0653, 1571-0653
    Published: Elsevier B.V 01.10.2016
    Published in Electronic notes in discrete mathematics (01.10.2016)
    “…Let {0=w0<w1<w2<…<wm} be the set of weights of binary Steinhaus triangles of size n, and let Wi be the set of sequences in F2n that generate triangles of…”
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