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spectrum

43 articles

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Article Title Journal Published
MIA-28-34 Nagy's perturbation of a non-selfadjoint operator and application to a Gribov operator in Bargmann space
Ines Feki, Aref Jeribi, Ridha Sfaxi
Mathematical Inequalities & Applications Volume 28, Issue 4
10/2025
OaM-18-29 Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity
Sasmita Patnaik, Sanehlata, Gary Weiss
Operators and Matrices Volume 18, Issue 2
06/2024
OaM-17-63 Spectral inclusion property for a class of block operator matrices
Yaru Qi, Wenwen Qiu, Carsten Trunk, Mitsuru Wilson
Operators and Matrices Volume 17, Issue 4
12/2023
OaM-17-51 The infinite dimensional Perfect-Mirsky conjecture
Ali Bayati Eshkaftaki, Javad Mashreghi, Mostafa Nasri
Operators and Matrices Volume 17, Issue 3
09/2023
OaM-17-40 A note on the A-spectrum of A-bounded operators
Hamadi Baklouti, Mohammed Mabrouk
Operators and Matrices Volume 17, Issue 3
09/2023
OaM-17-02 Characterizations of Hopfians spaces
Hamid Boua, Abdelaziz Tajmouati
Operators and Matrices Volume 17, Issue 1
03/2023
OaM-16-52 A pseudospectral mapping theorem for operator pencils
Krishna Kumar G., Judy Augustine
Operators and Matrices Volume 16, Issue 3
09/2022
OaM-16-40 Minimal families of limit operators
Marko Lindner
Operators and Matrices Volume 16, Issue 2
06/2022
OaM-15-62 On the compactness and spectra of the generalized difference operator on the spaces ℓ∞ and bv
Saad R. El-Shabrawy, Yoshihiro Sawano
Operators and Matrices Volume 15, Issue 3
09/2021
OaM-15-55 The spectrum of q-Cesàro matrices on c and its various spectral decomposition for 0<q<1
Nuh Durna, Merve Esra Türkay
Operators and Matrices Volume 15, Issue 3
09/2021
MIA-24-55 Lower bounds for the spread of a nonnegative matrix
Roman Drnovšek
Mathematical Inequalities & Applications Volume 24, Issue 3
07/2021
OaM-14-62 Topological properties of the block numerical range of operator matrices
Agnes Radl, Manfred P. H. Wolff
Operators and Matrices Volume 14, Issue 4
12/2020
OaM-14-51 Analyzing the spectral (a)symmetry of the massless Dirac operator on the 3-torus
Elvis Barakovic, Vedad Pasic
Operators and Matrices Volume 14, Issue 4
12/2020
OaM-14-19 The spectrum of the restriction to an invariant subspace
Dimosthenis Drivaliaris, Nikos Yannakakis
Operators and Matrices Volume 14, Issue 1
03/2020
OaM-14-17 Norms, kernels and eigenvalues of some infinite graphs
Aahan Agrawal, Astrid Berge, Seth Colbert-Pollack, Rubén A. Martínez-Avendaño, Elyssa Sliheet
Operators and Matrices Volume 14, Issue 1
03/2020
OaM-13-77 On the maximal numerical range of a hyponormal operator
Abderrahim Baghdad, Mohamed Chraibi Kaadoud
Operators and Matrices Volume 13, Issue 4
12/2019
OaM-13-52 On multiplicity of spectrum for Anderson type operators with higher rank perturbations
Anish Mallick, P. A. Narayanan
Operators and Matrices Volume 13, Issue 3
09/2019
OaM-13-28 Compact perturbations of Drazin invertible operators
Boting Jia, Youling Feng
Operators and Matrices Volume 13, Issue 2
06/2019
OaM-13-14 Commutativity and spectral properties of kth-order slant little Hankel operators on the Bergman space
Anuradha Gupta, Bhawna Gupta
Operators and Matrices Volume 13, Issue 1
03/2019
OaM-12-69 Weyl's theorem and its perturbations for the functions of operators
Xiaohong Cao, Jiong Dong, Junhui Liu
Operators and Matrices Volume 12, Issue 4
12/2018
OaM-12-67 The Kunz-Souillard approach to localization for Jacobi operators
Valmir Bucaj
Operators and Matrices Volume 12, Issue 4
12/2018
OaM-12-58 The Spectrum and fine spectrum of generalized Rhaly-Cesàro matrices on c0 and c
Mustafa Yildirim, Mohammad Mursaleen, Çağla Doğan
Operators and Matrices Volume 12, Issue 4
12/2018
OaM-12-19 Some spectral properties of fourth order differential operator equation
Nigar M. Aslanova, Mamed Bayramoglu, Khalig M. Aslanov
Operators and Matrices Volume 12, Issue 1
03/2018
OaM-12-15 On the block numerical range of operators on arbitrary Banach spaces
Agnes Radl, Manfred P. H. Wolff
Operators and Matrices Volume 12, Issue 1
03/2018
OaM-12-02 On the open ball centered at an invertible element of a Banach algebra
Sebastian Geethika, Daniel Sukumar
Operators and Matrices Volume 12, Issue 1
03/2018