IMPROVEMENTS IN THE UPPER BOUNDS FOR THE SPREAD OF A MATRIX

被引：2
|
作者：
Zhang, Pingping [1 ]
Yang, Hu [2 ]
机构：
[1] Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
[2] Chongqing Univ, Coll Math & Stat, Chongqing 401331, Peoples R China
来源：
MATHEMATICAL INEQUALITIES & APPLICATIONS | 2015年 / 18卷 / 01期
关键词：
The spread of a matrix; upper bounds; singular matrix; improvement; eigenvalue; INEQUALITIES; POLYNOMIALS; SPECTRUM;
D O I：
10.7153/mia-18-23
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper, we present some new upper bounds for the spread of a matrix. These bounds improve the previous results. In addition, one of these bounds can be up to the optimum. Finally, some numerical matrices are given to show the effectiveness of our results.
引用
收藏
页码：337 / 345
页数：9
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