The Smith Normal Form Distribution of A Random Integer Matrix

The Smith Normal Form Distribution of A Random Integer Matrix
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随机整数矩阵的史密斯正态分布

DOI:
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发表时间:
2015
影响因子:
0.8
通讯作者:
R. Stanley
R. Stanley
中科院分区:
数学3区
文献类型:
--
作者:
Yinghui Wang;R. Stanley

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国际观众 本文证明了随机整数矩阵的Smith标准形(SNF)的密度μ是存在的,并且等于Z/psZ上SNF的密度μps的乘积,其中p是素数,s是正整数.我们的方法是将矩阵的SNF与矩阵元素的某些多项式的最大公因子(gcds)联系起来,并发展了多项式值在随机整数向量上的多gcds分布理论。我们还导出了μps的公式,并确定了几种有趣类型集合的密度μ。
International audience We show that the density μ of the Smith normal form (SNF) of a random integer matrix exists and equals a product of densities μps of SNF over Z/psZ with p a prime and s some positive integer. Our approach is to connect the SNF of a matrix with the greatest common divisors (gcds) of certain polynomials of matrix entries, and develop the theory of multi-gcd distribution of polynomial values at a random integer vector. We also derive a formula for μps and determine the density μ for several interesting types of sets.
DOI: 10.1353/ajm.2019.0008
发表时间: 2015-04
影响因子: 1.7
作者:
M. Wood
通讯作者: M. Wood