Spectral Theory in Inner Product Spaces and Applications

1. Augmented Schur Parameters for Generalized Nevanlinna Functions and Approximation
D. Alpay, A. Dijksma, H. Langer

2. On Domains of Powers of Linear Operators and Finite Rank Perturbations
Tomas Ya. Azizov, Jussi Behrndt, Friedrich Philipp, Carsten Trunk

3. Finite-dimensional de Branges Subspaces Generated by Majorants
Anton Baranov, Harald Woracek

4. Trace Formulae for Dissipative and Coupled Scattering Systems
Jussi Behrndt, Mark M. Malamud, Hagen Neidhardt

5. Approximation of N

?
8
-functions I: Models and Regularization
Aad Dijksma, Annemarie Luger, Yuri Shondin

6. On the Block Numerical Range of Nonnegative Matrices
K.-H. Förster, N. Hartanto

7. A Quantum Dot with Impurity in the Lobachevsky Plane
V. Geyler, P. Štovícek, M. Tušek

8. One-dimensional Perturbations, Asymptotic Expansions, and Spectral Gaps
Seppo Hassi, Adrian Sandovici, Henk Snoo, Henrik Winkler

9. Abstract Kinetic Equations with Positive Collision Operators
I. M. Karabash

10. On the Structure of Semigroups of Operators Acting in Spaces with Indefinite Metric
V. A. Khatskevich, V. A. Senderov

11.
G-Self-adjoint Operators in Almost Pontryagin Spaces
Friedrich Philipp, Carsten Trunk

12. On a Krein Criterion
Adrian Sandovici

13. Two-sided Weighted Shifts Are ‘Almost Krein’ Normal
Franciszek Hugon Szafraniec

Keywords: MATHEMATICS / General MAT000000