MIA-05-32 |
» On the Riesz idempotent of class *A* operators
(04/2002) |

MIA-06-11 |
» Heinz and McIntosh inequalities, Aluthge transformation and the spectral radius
(01/2003) |

MIA-08-32 |
» Asymptotic stability and integral inequalities for solutions of linear systems on Radon-Nikodým spaces
(04/2005) |

OaM-01-03 |
» Location of the spectrum of operator matrices which are associated to second order equations
(03/2007) |

OaM-01-14 |
» Spectral continuity of *k*-th roots of hyponormal operators
(06/2007) |

OaM-01-26 |
» Invertibility for spectral triangles
(09/2007) |

OaM-02-17 |
» Stieltjes like functions and inverse problems for systems with Schrödinger operator
(06/2008) |

OaM-02-20 |
» Davis-Wielandt shells of operators
(09/2008) |

OaM-02-22 |
» On the spectra of some Toeplitz and Wiener-Hopf operators with almost periodic matrix symbols
(09/2008) |

OaM-04-12 |
» Linear maps preserving the minimum modulus
(06/2010) |

OaM-04-13 |
» Finite intertwinings and subscalarity
(06/2010) |

OaM-04-27 |
» Linear maps preserving the minimum and surjectivity moduli of operators
(12/2010) |

JMI-04-46 |
» Sums of real parts of eigenvalues of perturbed matrices
(12/2010) |

MIA-14-50 |
» Weyl type theorems and class *A(s,t)* operators
(07/2011) |

OaM-05-34 |
» SVEP and Bishop's property for *k **-paranormal operators
(09/2011) |

JMI-05-36 |
» Quadratic interpolation and some operator inequalities
(09/2011) |

OaM-05-46 |
» Eigenvalue problem meets Sierpinski triangle: computing the spectrum of a non-self-adjoint random operator
(12/2011) |

OaM-06-03 |
» On the spectra of generalized Fibonacci and Fibonacci-like operators
(03/2012) |

OaM-06-04 |
» Inverse nodal problems for the Sturm-Liouville operator with eigenparameter dependent boundary conditions
(03/2012) |

OaM-06-07 |
» Partially hyper invariant subspaces
(03/2012) |

OaM-06-12 |
» Samuel multiplicities and Browder spectrum of operator matrices
(03/2012) |

OaM-06-32 |
» Ideals of compact operators with Nakano type norms in a Hilbert space
(09/2012) |

OaM-06-37 |
» Elementary models of unbounded Jacobi matrices with a few bounded gaps in the essential spectrum
(09/2012) |

OaM-07-30 |
» Saturation for Cesàro means of higher order
(09/2013) |

OaM-07-43 |
» On the spectra and pseudospectra of a class of non-self-adjoint random matrices and operators
(12/2013) |

OaM-07-45 |
» Spectral properties between operator matrices and Helton class
(12/2013) |

OaM-08-01 |
» Boundary data maps and Krein's resolvent formula for Sturm-Liouville operators on a finite interval
(03/2014) |

OaM-08-11 |
» Essential spectra of some matrix operators by means of measures of weak noncompactness
(03/2014) |

DEA-06-20 |
» Existence results for some nonlocal problems
(08/2014) |

OaM-08-32 |
» Green's function, resolvent, Parseval equality of differential operator with block-triangular matrix coefficients
(09/2014) |

OaM-08-63 |
» Spectral properties of normal operators having symmetries arising from conjugations
(12/2014) |

OaM-09-07 |
» Pseudospectrum and condition spectrum
(03/2015) |

JMI-09-34 |
» On quasi-*∗*-*n*-paranormal operators
(06/2015) |

MIA-18-86 |
» On backward Aluthge iterates of hyponormal operators
(07/2015) |

OaM-09-30 |
» Spectral points of type *π*_{+} and type *π*_{-} of closed operators in indefinite inner product spaces
(09/2015) |

OaM-09-32 |
» An observation concerning boundary points of the numerical range
(09/2015) |

OaM-10-04 |
» Preservers of pseudo spectra of operator Jordan triple products
(03/2016) |

OaM-10-12 |
» Peripheral local spectrum preservers and maps increasing the local spectral radius
(03/2016) |

OaM-10-20 |
» Additive maps preserving *m*-normal eigenvalues on *ℬ(ℋ)*
(06/2016) |

OaM-10-22 |
» Note on some operator equations and local spectral properties
(06/2016) |

OaM-10-29 |
» Variational principles for self-adjoint operator functions arising from second-order systems
(09/2016) |

OaM-10-32 |
» Spectral properties of *k*-quasi-***-*n*-paranormal operators
(09/2016) |

OaM-10-50 |
» On the index of a non-Fredholm model operator
(12/2016) |

MIA-20-09 |
» Local spectral property of relatively regular operators
(01/2017) |

OaM-11-10 |
» Maps preserving the local spectrum of the skew Jordan product of operators
(03/2017) |

OaM-11-18 |
» Pseudospectrum of an element of a Banach algebra
(03/2017) |

OaM-11-27 |
» Spectra of infinite graphs via Schur complement
(06/2017) |

OaM-11-33 |
» The spectral equality for upper triangular operator matrices with unbounded entries
(06/2017) |

JMI-11-40 |
» Some inequalities on power bounded operators acting on locally convex spaces
(06/2017) |

OaM-11-48 |
» The invertibility for linear combinations of bounded linear operators with closed range
(09/2017) |

OaM-11-50 |
» Second regularized trace of a differential operator with second order unbounded operator coefficient given in a finite interval
(09/2017) |

OaM-11-59 |
» Spectrum of *(n,k)*-quasiparanormal operators
(09/2017) |

OaM-11-60 |
» A spectral characterization of absolutely norming operators on S. N. ideals
(09/2017) |

OaM-11-80 |
» Recycling givens rotations for the efficient approximation of pseudospectra of band-dominated operators
(12/2017) |

OaM-12-06 |
» Estimates on singular values of functions of perturbed operators
(03/2018) |

OaM-12-15 |
» On the block numerical range of operators on arbitrary Banach spaces
(03/2018) |

OaM-12-19 |
» Some spectral properties of fourth order differential operator equation
(03/2018) |

OaM-12-21 |
» Hypercyclicity and Weyl type theorems for operator matrices
(06/2018) |

OaM-12-33 |
» Remarks on nearly equivalent operators
(06/2018) |

OaM-12-34 |
» Maps preserving the local spectrum of some matrix products
(06/2018) |

OaM-12-56 |
» Nonlinear maps preserving condition spectrum of Jordan skew triple product of operators
(12/2018) |

OaM-12-58 |
» The Spectrum and fine spectrum of generalized Rhaly-Cesàro matrices on *c*_{0} and *c*
(12/2018) |

OaM-12-69 |
» Weyl's theorem and its perturbations for the functions of operators
(12/2018) |

OaM-13-14 |
» Commutativity and spectral properties of *k*^{th}-order slant little Hankel operators on the Bergman space
(03/2019) |

OaM-13-16 |
» On the essential spectra of unbounded operator matrices with non diagonal domain and an application
(03/2019) |

OaM-13-25 |
» Spectral mapping theorems for Weyl spectrum and isolated spectral points
(06/2019) |

MIA-22-63 |
» *(A,m)*-Symmetric commuting tuples of operators on a Hilbert space
(07/2019) |

OaM-13-43 |
» Left and right generalized Drazin invertible operators on Banach spaces and applications
(09/2019) |

OaM-13-49 |
» Maps preserving the peripheral local spectrum of some product of operators
(09/2019) |

OaM-13-52 |
» On multiplicity of spectrum for Anderson type operators with higher rank perturbations
(09/2019) |

OaM-13-62 |
» Sylvester equations and polynomial separation of spectra
(09/2019) |

OaM-13-67 |
» Isolated eigenvalues, poles and compact perturbations of Banach space operators
(12/2019) |

OaM-13-78 |
» A note on preservers of pseudo spectrum of matrix products
(12/2019) |

OaM-14-07 |
» Operators with minimal pseudospectra and connections to normality
(03/2020) |

OaM-14-17 |
» Norms, kernels and eigenvalues of some infinite graphs
(03/2020) |

OaM-14-18 |
» On the numerical range and operator norm of *V*^{2}
(03/2020) |

OaM-14-19 |
» The spectrum of the restriction to an invariant subspace
(03/2020) |

MIA-23-55 |
» Operator norm and numerical radius analogues of Cohen's inequality
(04/2020) |

OaM-14-40 |
» Schrödinger operators with potential waveguides on periodic graphs
(09/2020) |

OaM-14-62 |
» Topological properties of the block numerical range of operator matrices
(12/2020) |

OaM-14-65 |
» Explicit Krein resolvent identities for singular Sturm-Liouville operators with applications to Bessel operators
(12/2020) |

OaM-15-28 |
» Closedness of ranges of unbounded upper triangular operator matrices
(06/2021) |

OaM-15-42 |
» Properties of *J*-self-adjoint operators
(06/2021) |

OaM-15-55 |
» The spectrum of *q*-Cesàro matrices on *c* and its various spectral decomposition for 0<*q*<1
(09/2021) |

OaM-15-62 |
» On the compactness and spectra of the generalized difference operator on the spaces ℓ^{∞} and bv
(09/2021) |

OaM-15-63 |
» Spectra of infinite graphs: two methods of computation
(09/2021) |

OaM-16-09 |
» A note on a spectral constant associated with an annulus
(03/2022) |

OaM-16-12 |
» On a characterization of Jeribi, Rakočević, Schechter, Schmoeger and Wolf essential spectra of a 3⨉3 block operator matrices with non diagonal domain and application
(03/2022) |

OaM-16-27 |
» Gaps between some spectral characteristics of direct sum of Hilbert space operators
(06/2022) |

OaM-16-31 |
» On a generalization of left and right invertible operators on Banach spaces
(06/2022) |

OaM-16-47 |
» On operators satisfying *T*^{*}(T^{*2}T^{2})^{p}T ⩾ T^{*}(T^{2}T^{*2})^{p}T
(09/2022) |

OaM-16-52 |
» A pseudospectral mapping theorem for operator pencils
(09/2022) |

JMI-16-65 |
» Spectral properties and characterization of quasi-*n*-hyponormal operators
(09/2022) |

OaM-16-63 |
» Universally symmetric norming operators are compact
(12/2022) |

OaM-17-02 |
» Characterizations of Hopfians spaces
(03/2023) |

OaM-17-08 |
» Preservers of condition spectra and pseudo spectra of Hermitian matrix Jordan products
(03/2023) |

JMI-17-16 |
» On the local Ritt resolvent condition
(03/2023) |

OaM-17-19 |
» The stability of property (*gt*) under perturbation and tensor product
(06/2023) |

OaM-17-43 |
» Spectral representation of absolutely minimum attaining unbounded normal operators
(09/2023) |

JMI-17-68 |
» On *p*-quasi-*n*-hyponormal operators
(09/2023) |

OaM-17-63 |
» Spectral inclusion property for a class of block operator matrices
(12/2023) |

OaM-18-25 |
» Multiplicatively numerical range-preserving maps
(06/2024) |

OaM-18-29 |
» Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity
(06/2024) |