UPPER BOUND FOR THE NUMBER OF DISTINCT EIGENVALUES OF A PERTURBED MATRIX

被引：3

作者：

Moon, Sunyo ^{[1
]}

Park, Seungkook ^{[1
]}

机构：

[1] Sookmyung Womens Univ, Dept Math, Seoul, South Korea

来源：

ELECTRONIC JOURNAL OF LINEAR ALGEBRA | 2018年 / 34卷

基金：

新加坡国家研究基金会;

关键词：

Distinct eigenvalues; Perturbation; Geometric multiplicity; Algebraic multiplicity;

D O I：

10.13001/1081-3810.3588

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In 2016, Farrell presented an upper bound for the number of distinct eigenvalues of a perturbed matrix. Xu (2017), and Wang and Wu (2016) introduced upper bounds which are sharper than Farrell's bound. In this paper, the upper bounds given by Xu, and Wang and Wu are improved.

引用

页码：115 / 124

页数：10

共 11 条

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