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    政大機構典藏 > 理學院 > 應用數學系 > 期刊論文 >  Item 140.119/71424


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    题名: Asymptotic enumeration of independent sets on the Sierpinski gasket
    作者: 張書銓;晏衛根
    Chang, Shu-Chiuan
    陳隆奇
    Chen, Lung-Chi
    晏衛根
    Yan, Weigen
    贡献者: 應數系
    日期: 2013.07
    上传时间: 2014-11-13 17:24:00 (UTC+8)
    摘要: The number of independent sets is equivalent to the partition function of the hard-core lattice gas model with nearest-neighbor exclusion and unit activity. We study the number of independent sets md,b(n) on the generalized Sierpinski gasket SGd,b(n) at stage n with dimension d equal to two, three and four for b = 2, and layer b equal to three for d = 2. Upper and lower bounds for the asymptotic growth constant, defined as zSGd,b = limv→∞ lnmd,b(n)/v where v is the number of vertices, on these Sierpinski gaskets are derived in terms of the numbers at a certain stage. The numerical values of these zSGd,b are evaluated with more than a hundred significant figures accurate. We also conjecture upper and lower bounds for the asymptotic growth constant zSGd,2 with general d, and an approximation of zSGd,2 when d is large.
    關聯: Filomat, 27(1), 23-40
    数据类型: article
    DOI 連結: http://dx.doi.org/10.2298/FIL1301023C
    DOI: 10.2298/FIL1301023C
    显示于类别:[應用數學系] 期刊論文

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