Subject class page

47B20

89 articles

Showing 1-25 of 89

→
Article Title Journal Published
OaM-18-48 Several properties of the spectrum and local spectrum of class An operators
Mohammad H. M. Rashid, Atsushi Uchiyama
OaM
Operators and Matrices
 Volume 18, Issue 4
12/2024
OaM-18-29 Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity
Sasmita Patnaik, Sanehlata, Gary Weiss
OaM
Operators and Matrices
 Volume 18, Issue 2
06/2024
OaM-18-01 Hyponormality of specific unbounded product of densely defined composition operators in L2 spaces
Hang Zhou
OaM
Operators and Matrices
 Volume 18, Issue 1
03/2024
OaM-17-47 On M-class-{c}-wAk*(a,b) operators
P. Shanmugapriya, P. Maheswari Naik, Abdelkader Benali
OaM
Operators and Matrices
 Volume 17, Issue 3
09/2023
OaM-17-46 Converse of Fuglede Theorem
Hranislav Stanković
OaM
Operators and Matrices
 Volume 17, Issue 3
09/2023
JMI-17-68 On p-quasi-n-hyponormal operators
Junli Shen, Fei Zuo, Hongliang Zuo
JMI
Journal of Mathematical Inequalities
 Volume 17, Issue 3
09/2023
MIA-26-37 Weighted shifts on directed trees with one branching vertex: between quasinormality and paranormality
George R. Exner, Il Bong Jung, Eun-Young Lee, Mi Ryeong Lee
MIA
Mathematical Inequalities & Applications
 Volume 26, Issue 3
07/2023
OaM-17-25 Cowen sets for Toeplitz operators
Hyoung Joon Kim, Jaehui Park
OaM
Operators and Matrices
 Volume 17, Issue 2
06/2023
OaM-17-22 Maximal numerical range of the bimultiplication M2, A, B
El Hassan Benabdi, M. K. Chraibi, Abderrahim Baghdad
OaM
Operators and Matrices
 Volume 17, Issue 2
06/2023
OaM-16-80 Erratum/Addendum to “Powers of posinormal operators”, Operators and Matrices 10 (2016), 15–27
C. S. Kubrusly, P. C. M. Vieira, J. Zanni
OaM
Operators and Matrices
 Volume 16, Issue 4
12/2022
OaM-16-64 Some results on cauchy dual of conditional type operators
Morteza Sohrabi
OaM
Operators and Matrices
 Volume 16, Issue 4
12/2022
OaM-16-47 On operators satisfying T*(T*2T2)pT ⩾ T*(T2T*2)pT
Fei Zuo, Salah Mecheri
OaM
Operators and Matrices
 Volume 16, Issue 3
09/2022
OaM-16-44 A class of integro-multiplication operators
Gregory T. Adams, Nathan S. Feldman, Paul J. McGuire
OaM
Operators and Matrices
 Volume 16, Issue 3
09/2022
JMI-16-65 Spectral properties and characterization of quasi-n-hyponormal operators
Fei Zuo, Hongliang Zuo
JMI
Journal of Mathematical Inequalities
 Volume 16, Issue 3
09/2022
OaM-16-15 (n,k)-quasi class Q and (n,k)-quasi class Q✻ weighted composition operators
Naim L. Braha, Ilmi Hoxha, Usef Estaremi
OaM
Operators and Matrices
 Volume 16, Issue 1
03/2022
OaM-15-70 Spherical symmetry of some unitary invariants for commuting tuples
Sameer Chavan, Kais Feki
OaM
Operators and Matrices
 Volume 15, Issue 3
09/2021
OaM-15-66 On m-quasi-totally-(α,β)-normal operators
R. Pradeep, P. Maheswari Naik, Sid Ahmed Ould Ahmed Mahmoud
OaM
Operators and Matrices
 Volume 15, Issue 3
09/2021
JMI-15-68 On (n,k)-quasi class Q∗ operators
Ilmi Hoxha, Naim L. Braha
JMI
Journal of Mathematical Inequalities
 Volume 15, Issue 3
09/2021
MIA-24-21 Weighted composition operators and their products on L2(Σ)
M. R. Jabbarzadeh, M. Gheytaran
MIA
Mathematical Inequalities & Applications
 Volume 24, Issue 2
04/2021
OaM-15-14 The reflexivity of hyperexpansions and their Cauchy dual operators
Shubhankar Podder, Deepak Kumar Pradhan
OaM
Operators and Matrices
 Volume 15, Issue 1
03/2021
OaM-15-08 Weak subnormality of infinite 4-banded matrices
In Sung Hwang, In Hyoun Kim, Sumin Kim
OaM
Operators and Matrices
 Volume 15, Issue 1
03/2021
OaM-14-37 On power Drazin normal and Drazin quasi-normal Hilbert space operators
B. P. Duggal, In Hyoun Kim
OaM
Operators and Matrices
 Volume 14, Issue 2
06/2020
MIA-23-49 On the iterated mean transforms of operators
Sungeun Jung, Mee-Jung Lee, Eungil Ko
MIA
Mathematical Inequalities & Applications
 Volume 23, Issue 2
04/2020
OaM-14-13 On the class of n-power D-m-quasi-normal operators on Hilbert spaces
Beinane Sid Ahmed, Sid Ahmed Ould Ahmed Mahmoud
OaM
Operators and Matrices
 Volume 14, Issue 1
03/2020
OaM-13-51 On the classes of (n,m)-power D-normal and (n,m)-power D-quasi-normal operators
Sid Ahmed Ould Ahmed Mahmoud, Ould Beinane Sid Ahmed
OaM
Operators and Matrices
 Volume 13, Issue 3
09/2019