A NOTE ON VARIANCE BOUNDS AND LOCATION OF EIGENVALUES

被引：1

作者：

Sharma, R. ^{[1
]}

Sharma, A. ^{[1
]}

Saini, R. ^{[1
]}

机构：

[1] Himachal Pradesh Univ, Dept Math & Stat, Shimla 171005, India

来源：

JOURNAL OF MATHEMATICAL INEQUALITIES | 2021年 / 15卷 / 01期

关键词：

Variance; complex numbers; leptokurtic distributions; eigenvalues; trace; spread; polynomial; span; Jung's theorem in the plane; INEQUALITIES;

D O I：

10.7153/jmi-2021-15-07

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We discuss some extensions and refinements of the variance bounds for both real and complex numbers. The related bounds for the eigenvalues and spread of a matrix are also derived here.

引用

页码：67 / 80

页数：14

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