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operator matrices

9 articles

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Article Title Journal Published
MIA-29-16 Berezin number and Berezin norm inequalities: New and improved results for n ⨉ n operator matrices
Somdatta Barik, Kallol Paul
Mathematical Inequalities & Applications Volume 29, Issue 3
07/2026
JMI-20-40 Quadratic numerical radius inequalities for the off-diagonal parts of 2⨉2 operator matrices
Xiaomei Dong, Deyu Wu
Journal of Mathematical Inequalities Volume 20, Issue 2
06/2026
JMI-19-16 Some generalizations of numerical radius inequalities for 2⨉2 operator matrices
Chaojun Yang
Journal of Mathematical Inequalities Volume 19, Issue 1
03/2025
OaM-18-09 On the Berezin number of operator matrices
Messaoud Guesba, Mohammad Sababheh
Operators and Matrices Volume 18, Issue 1
03/2024
OaM-17-39 Computing the S-numerical ranges of differential operators
Maria Adam, Berivan Azeez, Fatemeh E. Taheri
Operators and Matrices Volume 17, Issue 3
09/2023
JMI-16-60 Estimates for the numerical radius of n × n operator matrices
Changsen Yang, Kexin Wang
Journal of Mathematical Inequalities Volume 16, Issue 3
09/2022
OaM-13-16 On the essential spectra of unbounded operator matrices with non diagonal domain and an application
Marwa Belghith, Nedra Moalla, Ines Walha
Operators and Matrices Volume 13, Issue 1
03/2019
OaM-06-12 Samuel multiplicities and Browder spectrum of operator matrices
Shifang Zhang, Junde Wu
Operators and Matrices Volume 6, Issue 1
03/2012
OaM-04-24 A conditional expectation type operator on Lp spaces
M. R. Jabbarzadeh
Operators and Matrices Volume 4, Issue 3
09/2010