Eigenvectors of a matrix under random perturbation

Eigenvectors of a matrix under random perturbation
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随机扰动下矩阵的特征向量

DOI:
10.1142/s2010326321500234
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发表时间:
2018
期刊:
Random Matrices: Theory and Applications
影响因子:
--
通讯作者:
A. Michail
A. Michail
中科院分区:
--
文献类型:
--
作者:
Florent Benaych;N. Enriquez;A. Michail

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本文在初等计算的基础上,给出了具有小算子范数的随机矩阵扰动的大尺寸厄米特矩阵的特征向量坐标的摄动展开式,该随机矩阵在第一个特征向量基中的项是独立的、有中心的、具有方差分布的。这是通过与给定矢量定义的状态相关联的谱测量的微扰展开来实现的。
In this text, based on elementary computations, we provide a perturbative expansion of the coordinates of the eigenvectors of a Hermitian matrix of large size perturbed by a random matrix with small operator norm whose entries in the eigenvector basis of the first one are independent, centered, with a variance profile. This is done through a perturbative expansion of spectral measures associated to the state defined by a given vector.
RosenzweigâPorter 模型中的非遍历离域
DOI: 10.1007/s11005-018-1131-7
发表时间: 2019
影响因子: 1.2
作者:
P. von Soosten;S. Warzel
通讯作者: S. Warzel