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Article (Journal)
Suhr, Christian
Meinhardt-Wollweber, Merve
Trunk, Carsten
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The spectrum and the Weyr characteristics of operator pencils and linear relations
Free accessBASE | 2021| -
Limit point and limit circle trichotomy for Sturm-Liouville problems with complex potentials
Free accessBASE | 2023| -
The non-real spectrum of a singular indefinite Sturm-Liouville operator with regular left endpoint
Free accessBASE | 2019| -
Perturbation and spectral theory for singular indefinite Sturm-Liouville operators
Free accessBASE | 2023| -
A Jordan-like decomposition for linear relations in finite-dimensional spaces
Free accessBASE | 2022| -
Relative oscillation theory and essential spectra of Sturm-Liouville operators
Free accessBASE | 2022| -
Operator based approach to PT-symmetric problems on a wedge-shaped contour
Free accessBASE | 2019| -
Locally finite extensions and Gesztesy-Šeba realizations for the Dirac operator on a metric graph
Free accessBASE | 2018| -
The non-real spectrum of a singular indefinite Sturm-Liouville operator with regular left endpoint
Free accessBASE | 2019| -
On a class of non-Hermitian matrices with positive definite Schur complements
Free accessBASE | 2018| -
Spectral bounds for singular indefinite Sturm-Liouville operators with L1-potentials
Free accessBASE | 2017| -
An estimate on the non-real spectrum of a singular indefinite Sturm-Liouville operator
Free accessBASE | 2017| -
On the parametric eigenvalue behavior of matrix pencils under rank one perturbations
Free accessBASE | 2016| -
Eigenvalue placement for regular matrix pencils with rank one perturbations
Free accessBASE | 2016| -
Bounds on the non-real spectrum of a singular indefinite Sturm-Liouville operator on R
Free accessBASE | 2016| -
Variational principles for self-adjoint operator functions arising from second-order systems
Free accessBASE | 2014| -
The effect of finite rank perturbations on Jordan chains of linear operators
Free accessBASE | 2014| -
Spectral bounds for singular indefinite Sturm-Liouville operators with L^1-potentials
British Library Online Contents | 2018| -
On finite rank perturbations of selfadjoint operators in Krein spaces and eigenvalues in spectral gaps
Free accessBASE | 2012| -
Sharp eigenvalue estimates for rank one perturbations of nonnegative operators in Krein spaces
Free accessBASE | 2013|