On the Validations of the Asymptotic Matching Conjectures

On the Validations of the Asymptotic Matching Conjectures
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关于渐近匹配猜想的验证

DOI:
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发表时间:
2006
期刊:
影响因子:
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通讯作者:
K. Markstrom
K. Markstrom
中科院分区:
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文献类型:
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作者:
S. Friedland;E. Krop;P. Lundow;K. Markstrom

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本文回顾了r-正则二部图的渐近匹配猜想,以及它们在估计d维整数格和Bethe格中的单体-二聚体熵方面的联系。我们证明了支持这些猜想的单体-二聚体熵的新的严格上下界。我们刻画了r-正则环面图无限族的一般结构,并给出了对任意p个∈[0,1]计算密度p的单体-二聚体熵的算法。最后,我们利用环图来检验某些无限r-正则二部图的渐近匹配猜想。
In this paper we review the asymptotic matching conjectures for r-regular bipartite graphs, and their connections in estimating the monomer-dimer entropies in d-dimensional integer lattice and Bethe lattices. We prove new rigorous upper and lower bounds for the monomer-dimer entropies, which support these conjectures. We describe a general construction of infinite families of r-regular tori graphs and give algorithms for computing the monomer-dimer entropy of density p, for any p∈[0,1], for these graphs. Finally we use tori graphs to test the asymptotic matching conjectures for certain infinite r-regular bipartite graphs.