ENUMERATION OF TILINGS OF DIAMONDS AND HEXAGONS WITH DEFECTS

ENUMERATION OF TILINGS OF DIAMONDS AND HEXAGONS WITH DEFECTS
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有缺陷的菱形和六边形拼块的计数

DOI:
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发表时间:
1998
期刊:
影响因子:
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通讯作者:
I. Gessel
I. Gessel
中科院分区:
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文献类型:
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作者:
H. Helfgott;I. Gessel

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我们将展示如何计算镶嵌的阿兹特克钻石和六边形的缺陷,使用决定因素。在某些情况下,这些决定因素可以用封闭的形式来计算。特别地,我们得到了James Propp的匹配枚举问题列表中的开放问题1,2和10的解决方案[22]。
We show how to count tilings of Aztec diamonds and hexagons with defects using determinants. In several cases these determinants can be evaluated in closed form. In particular, we obtain solutions to open problems 1, 2, and 10 in James Propp’s list of problems on enumeration of matchings [22].