Results 1 to 10 of about 3,159 (156)

Generalized Refinements of Reversed AM-GM Operator Inequalities for Positive Linear Maps

Axioms, 2023
We shall present some more generalized and further refinements of reversed AM-GM operator inequalities for positive linear maps due to Xue’s and Ali’s publications.
Yonghui Ren
doaj   +3 more sources

Some generalizations of operator inequalities for positive linear maps

Journal of Inequalities and Applications, 2016
In this paper, we generalize some operator inequalities for positive linear maps due to Lin (Stud. Math. 215:187-194, 2013) and Zhang (Banach J. Math. Anal. 9:166-172, 2015).
Jianming Xue, Xingkai Hu
doaj   +3 more sources

Euclidean Operator Radius Inequalities of a Pair of Bounded Linear Operators and Their Applications

Bulletin of the Brazilian Mathematical Society, 2022
We obtain several sharp lower and upper bounds for the Euclidean operator radius of a pair of bounded linear operators defined on a complex Hilbert space. As applications of these bounds we deduce a chain of new bounds for the classical numerical radius of a bounded linear operator which improve on the existing ones.
Kallol Paul, Pintu Bhunia, Paul Kallol   +2 more
exaly   +4 more sources

Certain integral inequalities involving tensor products, positive linear maps, and operator means

Journal of Inequalities and Applications, 2016
We present a number of integral inequalities involving tensor products of continuous fields of bounded linear operators, positive linear maps, and operator means.
Pattrawut Chansangiam
doaj   +3 more sources

Improvements of operator reverse AM-GM inequality involving positive linear maps

Journal of Inequalities and Applications, 2020
In this paper, we shall present some reverse arithmetic-geometric mean operator inequalities for unital positive linear maps. These inequalities improve some corresponding results due to Xue (J. Inequal. Appl. 2017:283, 2017).
Shazia Karim, Ilyas Ali, Muhammad Mushtaq   +2 more
doaj   +3 more sources

Sector operator inequalities involving positive linear maps

Journal of Inequalities and Applications
In this note, we prove the pth power ( p ≥ 2 $p\geq 2$ ) of two new sector operator inequalities for positive linear maps which are due to Bedrani et al. (Positivity 25:1601-1629, 2021) and Nasiri (Filomat 38:3429-3438, 2024), respectively.
Jiqin Chen, Xiaohui Fu, Qi Song, Chuchu Tang   +3 more
doaj   +2 more sources

Some Schrödinger-type inequalities for stabilization of discrete linear systems associated with the stationary Schrödinger operator

Journal of Inequalities and Applications, 2016
By applying some Schrödinger-type inequalities developed by Huang (Int. J. Math. 27(2):1650009, 2016), we are concerned with stabilization of discrete linear systems associated with the Schrödinger operator.
Zongcai Jiang
doaj   +3 more sources

More operator inequalities for positive linear maps [PDF]

Banach Journal of Mathematical Analysis, 2015
Some operator inequalities for positive linear maps are presented. These inequalities improve and generalize the corresponding results due to Fu and He [Linear Multilinear Algebra, doi: 10.1080/03081087.2014.880432.].
exaly   +3 more sources

On an operator Kantorovich inequality for positive linear maps

Journal of Mathematical Analysis and Applications, 2013
We improve the operator Kantorovich inequality as follows: Let $A$ be a positive operator on a Hilbert space with ...
Minghua Lin
exaly   +3 more sources

On weighted norm inequalities for positive linear operators [PDF]

Proceedings of the American Mathematical Society, 1989
Let T T be a positive linear operator defined for nonnegative functions on a
Kerman, R., Sawyer, E.
openaire   +1 more source