Reverse inequalities for the numerical radius of linear operators in Hilbert spaces

被引:24
作者
Dragomir, SS [1 ]
机构
[1] Victoria Univ Technol, Sch Comp Sci & Math, Melbourne, Vic 8001, Australia
关键词
D O I
10.1017/S0004972700038831
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Some elementary inequalities providing upper bounds for the difference of the norm and the numerical radius of a bounded linear operator on Hilbert spaces under appropriate conditions are given.
引用
收藏
页码:255 / 262
页数:8
相关论文
共 2 条
[1]  
[Anonymous], 1997, NUMERICAL RANGE
[2]  
Halmos P. R., 1982, HILBERT SPACE PROBLE