NUMERICAL RADIUS INEQUALITIES FOR FINITE SUMS OF OPERATORS

被引：8
作者：
Mirmostafaee, Alireza Kamel [1 ]
Rahpeyma, Omid Pourbahari [1 ]
Omidvar, Mohsen Erfanian [2 ]
机构：
[1] Ferdowsi Univ Mashhad, Ctr Excellence Anal Algebra Struct, Dept Pure Math, POB 1159, Mashhad 91775, Iran
[2] Islamic Azad Univ, Fac Sci, Dept Math, Mashhad Branch, Mashhad, Iran
来源：
DEMONSTRATIO MATHEMATICA | 2014年 / 47卷 / 04期
关键词：
numerical radius; spectral radius; norm inequality;
D O I：
10.2478/dema-2014-0076
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper, we obtain some sharp inequalities for numerical radius of finite sums of operators. Moreover, we give some applications of our result in estimation of spectral radius. We also compare our results with some known results.
引用
收藏
页码：963 / 970
页数：8
相关论文
共 50 条
  • [1] Numerical Radius Inequalities for Finite Sums of Operators
    Wasim Audeh
    Manal Al-Labadi
    Complex Analysis and Operator Theory, 2023, 17
  • [2] Numerical Radius Inequalities for Finite Sums of Operators
    Audeh, Wasim
    Al-Labadi, Manal
    COMPLEX ANALYSIS AND OPERATOR THEORY, 2023, 17 (08)
  • [3] Further Seminorm and Numerical Radius Inequalities for Products and Sums of Operators
    Conde, Cristian
    Feki, Kais
    Kittaneh, Fuad
    NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION, 2023, 44 (11) : 1097 - 1118
  • [4] On p-numerical radius inequalities for sums and products of operators
    Aici, Soumia
    Frakis, Abdelkader
    Kittaneh, Fuad
    JOURNAL OF ANALYSIS, 2025, 33 (02) : 673 - 689
  • [5] NUMERICAL RADIUS INEQUALITIES FOR THE WEIGHTED SUMS OF HILBERT SPACE OPERATORS
    Pang, Songyue
    Liang, Yuxia
    JOURNAL OF MATHEMATICAL INEQUALITIES, 2025, 19 (01): : 307 - 331
  • [6] Numerical radius, Berezin number, and Berezin norm inequalities for sums of operators
    Altwaijry, Najla
    Feki, Kais
    Minculete, Nicusor
    TURKISH JOURNAL OF MATHEMATICS, 2023, 47 (05) : 1481 - 1497
  • [7] Advancement of Numerical Radius Inequalities of Operators and Product of Operators
    Nayak, Raj Kumar
    IRANIAN JOURNAL OF SCIENCE, 2024, 48 (03) : 649 - 657
  • [8] Numerical Radius Inequalities for Hilbert Space Operators
    Alomari, Mohammad W.
    COMPLEX ANALYSIS AND OPERATOR THEORY, 2021, 15 (07)
  • [9] ON INEQUALITIES FOR A-NUMERICAL RADIUS OF OPERATORS
    Bhunia, Pintu
    Paul, Kallol
    Nayak, Raj Kumar
    ELECTRONIC JOURNAL OF LINEAR ALGEBRA, 2020, 36
  • [10] Norm and numerical radius inequalities for Hilbert space operators
    Baharak Moosavi
    Mohsen Shah Hosseini
    The Journal of Analysis, 2023, 31 : 1393 - 1400
12345