On the numerical range of some weighted shift matrices and operators

被引：9
|
作者：
Vandanjav, Adiyasuren [1 ]
Undrakh, Batzorig [2 ]
机构：
[1] Natl Univ Mongolia, Dept Math, Ulaanbaatar, Mongolia
[2] Natl Univ Mongolia, Inst Math, Ulaanbaatar, Mongolia
来源：
LINEAR ALGEBRA AND ITS APPLICATIONS | 2014年 / 449卷
关键词：
Numerical range; Numerical radius; Weighted shift operators; RADIUS;
D O I：
10.1016/j.laa.2014.02.018
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we compute and compare the numerical radii of certain weighted shift matrices. Also we compute the numerical radius of a weighted shift operator on the Hardy space H-2. The purpose of this paper is to develop results in [7]. (C) 2014 Elsevier Inc. All rights reserved.
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页码：76 / 88
页数：13
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