By using random matrix theory we find that the distribution of eigenvalues of correlation matrix of relative return also follows a power-law.

利用随机矩阵理论我们发现相对收益的关联矩阵的特征值分布也具有幂律的特征。

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In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable.

本文研究了离散型随机变量次序统计量的分布矩阵的对称性，获得了二个定理。

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In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable. Therefore, we obtain two theorems.

本文研究了离散型随机变量次序统计量的分布矩阵的对称性，获得了二个定理。

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