Upper triangular operator matrices and stability of their various spectra
Fuente:
arXiv
Saved in:
| Main Author: | Sarajlija, Nikola |
|---|---|
| Format: | Preprint |
| Published: |
2021
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Similar Items
Fredholmness and Weylness of block operator matrices
by: Sarajlija, Nikola
Published: (2021)
by: Sarajlija, Nikola
Published: (2021)
Invertibility properties of operator matrices on Hilbert spaces
by: Sarajlija, Nikola
Published: (2021)
by: Sarajlija, Nikola
Published: (2021)
Completion problem of upper triangular $3\times3$ operator matrices on arbitrary Banach spaces
by: Sarajlija, Nikola, et al.
Published: (2022)
by: Sarajlija, Nikola, et al.
Published: (2022)
Perturbing the spectrum of operator $T_n^d(A)$
by: Sarajlija, Nikola
Published: (2021)
by: Sarajlija, Nikola
Published: (2021)
Hyperinvariant subspaces for normaloid essential isometric operators
by: Bala, Neeru, et al.
Published: (2020)
by: Bala, Neeru, et al.
Published: (2020)
On the closability of class totally paranormal operators
by: Rashid, M. H. M.
Published: (2024)
by: Rashid, M. H. M.
Published: (2024)
Spectral Properties of Off Diagonal Block Linear Relations via Moore Penrose Inverses in Hilbert Spaces
by: Majumdar, Arup
Published: (2025)
by: Majumdar, Arup
Published: (2025)
Complex analysis of symmetric operators. II: entire operators with deficiency index 1
by: Wang, Yicao
Published: (2025)
by: Wang, Yicao
Published: (2025)
Hyers-Ulam Stability of Unbounded Closable Operators in Hilbert Spaces
by: Majumdar, Arup, et al.
Published: (2024)
by: Majumdar, Arup, et al.
Published: (2024)
Block operator matrix techniques for stability properties of hyperbolic equations
by: Waurick, Marcus
Published: (2026)
by: Waurick, Marcus
Published: (2026)
$A$-approximate point spectrum of $A$-bounded operators in semi-Hilbertian spaces
by: Majumdar, Arup, et al.
Published: (2024)
by: Majumdar, Arup, et al.
Published: (2024)
Complex analysis of symmetric operators, I
by: Wang, Yicao
Published: (2024)
by: Wang, Yicao
Published: (2024)
A formula of $A$-spectral radius for $A^{\frac{1}{2}}$-adjoint operators on semi-Hilbertian spaces
by: Majumdar, Arup, et al.
Published: (2024)
by: Majumdar, Arup, et al.
Published: (2024)
A new seminorm of $n$-tuple operators and its applications
by: Bhunia, Pintu, et al.
Published: (2025)
by: Bhunia, Pintu, et al.
Published: (2025)
Generalized Drazin-Riesz invertible elements in a semi-simple Banach algebra
by: Abad, Othman, et al.
Published: (2022)
by: Abad, Othman, et al.
Published: (2022)
One-sided Drazin inverses in Banach algebras and perturbations of B-Fredholm spectra
by: Yan, Kai
Published: (2024)
by: Yan, Kai
Published: (2024)
On Absolutely norm (minimum) attaining $2\times 2$ block operator matrix
by: Nag, Puspendu, et al.
Published: (2025)
by: Nag, Puspendu, et al.
Published: (2025)
Wiener-Hopf indices of unimodular functions on the imaginary axis
by: Frazho, A. E., et al.
Published: (2024)
by: Frazho, A. E., et al.
Published: (2024)
Higher order spectral shift of Euclidean Callias operators
by: Fürst, Oliver
Published: (2025)
by: Fürst, Oliver
Published: (2025)
Some Remarks on the Product Formula for Defect Numbers of Closed Operators
by: Fischbacher, Christoph, et al.
Published: (2025)
by: Fischbacher, Christoph, et al.
Published: (2025)
Further bounds on $p$-numerical radii of operators via generalized Aluthge transform
by: Sahoo, Satyajit
Published: (2025)
by: Sahoo, Satyajit
Published: (2025)
On the real and imaginary parts of powers of the Volterra operator
by: Ransford, Thomas, et al.
Published: (2024)
by: Ransford, Thomas, et al.
Published: (2024)
The fundamental equations for inversion of operator pencils on Banach space
by: Albrecht, Amie, et al.
Published: (2022)
by: Albrecht, Amie, et al.
Published: (2022)
A Toeplitz-like operator with rational matrix symbol having poles on the unit circle:\ Matrix representation and spectral analysis
by: Groenewald, G. J., et al.
Published: (2024)
by: Groenewald, G. J., et al.
Published: (2024)
Characterizations of positive operators via their powers
by: Stanković, Hranislav
Published: (2025)
by: Stanković, Hranislav
Published: (2025)
Hyers-Ulam stability of closed linear relations in Hilbert spaces
by: Majumdar, Arup
Published: (2025)
by: Majumdar, Arup
Published: (2025)
Joint $q$-Numerical Ranges of Operators in Hilbert and Semi-Hilbert Spaces
by: Feki, Kais, et al.
Published: (2024)
by: Feki, Kais, et al.
Published: (2024)
Some spectral properties and convergence of the $ (A,q)$-numerical radius and $ (A,q)$-Crawford number
by: Al, Pembe Ipek, et al.
Published: (2025)
by: Al, Pembe Ipek, et al.
Published: (2025)
On existence of hyperinvariant subspaces for quasinilpotent operators with a nonsymmetry in the growth of the resolvent
by: Gamal', Maria F.
Published: (2024)
by: Gamal', Maria F.
Published: (2024)
An operator triangle inequality for the quadratic symmetric modulus
by: Zhang, Teng
Published: (2026)
by: Zhang, Teng
Published: (2026)
Trace and Index of Dirac-Schrödinger Operators on Open Space with Operator Potentials
by: Fürst, Oliver
Published: (2023)
by: Fürst, Oliver
Published: (2023)
On singular points in the essential spectrum
by: Plakhotnikov, Alexander
Published: (2025)
by: Plakhotnikov, Alexander
Published: (2025)
Some improvements of numerical radius inequalities of operators and operator matrices
by: Bhunia, Pintu, et al.
Published: (2019)
by: Bhunia, Pintu, et al.
Published: (2019)
B-Fredholm theory in Banach algebras
by: Zhang, Yunnan, et al.
Published: (2024)
by: Zhang, Yunnan, et al.
Published: (2024)
On inequalities involving the spherical operator transforms
by: Kittaneh, Fuad, et al.
Published: (2025)
by: Kittaneh, Fuad, et al.
Published: (2025)
An extension of the $ρ$-operator radii
by: Kittaneh, Fuad, et al.
Published: (2024)
by: Kittaneh, Fuad, et al.
Published: (2024)
Some aspects of vector valued de Branges spaces of entire functions
by: Mahapatra, Subhankar, et al.
Published: (2023)
by: Mahapatra, Subhankar, et al.
Published: (2023)
Classes of operators related to subnormal operators
by: Curto, Raúl E., et al.
Published: (2024)
by: Curto, Raúl E., et al.
Published: (2024)
Contractive upper triangular matrices with prescribed diagonals and superdiagonals
by: Renard, Axel
Published: (2025)
by: Renard, Axel
Published: (2025)
A generalized winding number formula for the Witten index of a Toeplitz operator
by: Izumi, Masaki
Published: (2025)
by: Izumi, Masaki
Published: (2025)
Similar Items
-
Fredholmness and Weylness of block operator matrices
by: Sarajlija, Nikola
Published: (2021) -
Invertibility properties of operator matrices on Hilbert spaces
by: Sarajlija, Nikola
Published: (2021) -
Completion problem of upper triangular $3\times3$ operator matrices on arbitrary Banach spaces
by: Sarajlija, Nikola, et al.
Published: (2022) -
Perturbing the spectrum of operator $T_n^d(A)$
by: Sarajlija, Nikola
Published: (2021) -
Hyperinvariant subspaces for normaloid essential isometric operators
by: Bala, Neeru, et al.
Published: (2020)