On some inequalities for numerical radius of semi-Hilbert space multioperators

被引:0
|
作者
Guesba, Messaoud [1 ]
Mahmoud, Sid Ahmed Ould Ahmed [2 ]
机构
[1] El Oued Univ, Fac Exact Sci, Dept Math, El Oued 39000, Algeria
[2] Jouf Univ, Coll Sci, Math Dept, POB 2014, Sakaka, Saudi Arabia
关键词
A-numerical radius; -joint numerical radius; A-normal m-tuple; inequalities; semi-Hilbert space; PARTIAL ISOMETRIES; LOWER BOUNDS; OPERATORS;
D O I
10.1515/gmj-2023-2057
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper, we aim to introduce new inequalities of the m-tuples of semi-Hilbert space operators. These inequalities, which are based on some numerical radius inequalities due to Dragomir et al. for a single operator on a Hilbert space. Further, we give a new formula of the A-Euclidean operator semi-norm of m-tuples of operators on a semi-Hilbert space.
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页码:35 / 45
页数:11
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