THE ESSENTIAL NORM AND THE ESSENTIAL NUMERICAL RADIUS (vol 8, pg 77, 2017)

被引：0
作者：
Cain, Bryan E. [1 ]
机构：
[1] OUCE, Oxford OX1 2JA, England
来源：
JOURNAL OF INEQUALITIES AND SPECIAL FUNCTIONS | 2018年 / 9卷 / 03期
关键词：
Calkin Algebra; essential norm; essential numerical range; essential numerical radius;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
This brief commentary on [5] corrects some errors, gives some counter examples, and attempts to clarify what is new and what was already known.
引用
收藏
页码：11 / 12
页数：2
相关论文
共 8 条
[1]  
CAIN BE, 2017, INT J INEQUAL SPEC F, V8, P77
[2]  
Halmos P.R, 1982, HILBERT SPACE PROBLE, Vsecond
[3]  
HOLBROOK JA, 1969, J REINE ANGEW MATH, V237, P166
[4]   SOME INEQUALITIES FOR THE NUMERICAL RADIUS FOR HILBERT SPACE OPERATORS [J].
Hosseini, Mohsen Shah ;
Omidvar, Mohsen Erfanian .
BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY, 2016, 94 (03) :489-496
[5]  
Kittaneh F., STUDIA MATH, V168, P73
[6]  
Mansoori A, 2017, J INEQUAL SPEC FUNCT, V8, P77
[7]  
Rickart C., 1960, GEN THEORY BANACH AL
[8]  
Stampfli J.G., 1968, TOHOKU MATH J 2 SERI, V20, P417
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