Improved lower bounds for numerical radius via Cartesian decomposition

被引：1
|
作者：
Alrimawi, Fadi [1 ]
Abushaheen, Fuad A. [2 ,3 ]
Alkhateeb, Rami [1 ]
机构：
[1] Al Ahliyya Amman Univ, Dept Basic Sci, Amman, Jordan
[2] Middle East Univ, Fac Arts & Educ Sci, Basic Sci Dept, Amman, Jordan
[3] Appl Sci Private Univ, Appl Sci Res Ctr, Amman, Jordan
来源：
JOURNAL OF MATHEMATICS AND COMPUTER SCIENCE-JMCS | 2024年 / 33卷 / 02期
关键词：
Numerical radius; operator norm; bounded linear operator; NORM INEQUALITIES;
D O I：
10.22436/jmcs.033.02.05
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this article, we derive various lower bounds for the numerical radius of operators that refine the well-known inequality w2(A) ? 14 IIA*A+AA*II.
引用
收藏
页码：169 / 175
页数：7
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