On Refinements of Numerical Radius Inequalities

被引：2

作者：

Hyder, Javariya ^{[1
]}

Akram, Muhammad Saeed ^{[2
]}

机构：

[1] Khwaja Fareed Univ Engn & Informat Technol, Dept Math, Rahim Yar Khan, Pakistan

[2] Ghazi Univ, Fac Sci, Dept Math, Dera Ghazi Khan 32200, Pakistan

来源：

IRANIAN JOURNAL OF SCIENCE | 2023年 / 47卷 / 03期

关键词：

Numerical radius; Inequalities; McCarty inequality; Mixed Schwarz inequality; ZEROS;

D O I：

10.1007/s40995-023-01438-2

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In this paper, several numerical radius inequalities are developed for bounded linear operators defined on a Complex Hilbert space H which refine some existing numerical radius inequalities.

引用

页码：915 / 925

页数：11

共 24 条

[1] ESTIMATES FOR THE NUMERICAL RADIUS AND THE SPECTRAL RADIUS OF THE FROBENIUS COMPANION MATRIX AND BOUNDS FOR THE ZEROS OF POLYNOMIALS [J].

Abu-Omar, Amer ;

Kittaneh, Fuad .

ANNALS OF FUNCTIONAL ANALYSIS, 2014, 5 (01) :56-62

[2] Refinements of some numerical radius inequalities for Hilbert space operators [J].

Alomari, Mohammad W. .

LINEAR & MULTILINEAR ALGEBRA, 2021, 69 (07) :1208-1223

[3]

[Anonymous], 1971, REND SEM MATH U POLI

[4]

Bhunia P., 2021, ARXIV

[5] Proper Improvement of Well-Known Numerical Radius Inequalities and Their Applications [J].

Bhunia, Pintu ;

Paul, Kallol .

RESULTS IN MATHEMATICS, 2021, 76 (04)

[6] New upper bounds for the numerical radius of Hilbert space operators [J].

Bhunia, Pintu ;

Paul, Kallol .

BULLETIN DES SCIENCES MATHEMATIQUES, 2021, 167

[7] Bounds for zeros of a polynomial using numerical radius of Hilbert space operators [J].

Bhunia, Pintu ;

Bag, Santanu ;

Paul, Kallol .

ANNALS OF FUNCTIONAL ANALYSIS, 2021, 12 (02)

[8] Numerical radius inequalities and its applications in estimation of zeros of polynomials [J].

Bhunia, Pintu ;

Bag, Santanu ;

Paul, Kallol .

LINEAR ALGEBRA AND ITS APPLICATIONS, 2019, 573 :166-177

[9]

DRAGOMIR S. S., 2008, Research report collection, V11

[10]

Dragomir SS, 2013, SPRINGERBRIEF MATH, P1, DOI 10.1007/978-3-319-01448-7

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