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arXiv 2001.08725math.PR
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广义Wigner矩阵的整体和介观线性eigenvalue统计量的涨落

On fluctuations of global and mesoscopic linear eigenvalue statistics of generalized Wigner matrices

Yiting Li, Yuanyuan Xu

摘要:

本文考虑了$N$乘$N$的实或复广义Wigner矩阵$H_N$,其元素是独立中心的随机变量,矩是一致有界的。我们假设方差分布$s_{ij}:=\mathbb{E} |H_{ij}|^2$满足$\sum_{i=1}^Ns_{ij}=1$,对于所有$1 \leq j \leq N$和$c^{-1} \leq N s_{ij} \leq c$,对于所有$ 1 \leq i,j \leq N$,具有某个常数$c \geq 1$。我们建立高斯波动的线性本征值统计$H_N$在全球范围内,以及在所有介观尺度的光谱边缘,与期望和方差制定的方差配置文件。随后,我们得到了普遍介观中心极限定理的线性本征值统计的内部和边缘分别。

英文摘要:

We consider an $N$ by $N$ real or complex generalized Wigner matrix $H_N$, whose entries are independent centered random variables with uniformly bounded moments. We assume that the variance profile, $s_{ij}:=\mathbb{E} |H_{ij}|^2$, satisfies $\sum_{i=1}^Ns_{ij}=1$, for all $1 \leq j \leq N$ and $c^{-1} \leq N s_{ij} \leq c$ for all $ 1 \leq i,j \leq N$ with some constant $c \geq 1$. We establish Gaussian fluctuations for the linear eigenvalue statistics of $H_N$ on global scales, as well as on all mesoscopic scales up to the spectral edges, with the expectation and variance formulated in terms of the variance profile. We subsequently obtain the universal mesoscopic central limit theorems for the linear eigenvalue statistics inside the bulk and at the edges respectively.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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