5th Workshop Operator Theory
TU Berlin, December 16-18, 2005
List of abstracts
- V. Adamyan
Some Class of Solvable Potentials for Dirac Type Systems
- Daniel Alpay
Discrete Analogs of Canonical Systems with Pseudo--Exponential
Potential. Definitions and Formulas for the Spectral Matrix Functions
- Yury M. Arlinskii
Non-Self-Adjoint Jacobi Matrices with Rank one Imaginary Part
- Tomas Ya. Azizov
On a Generalization of a Pontryagin Space Property
- Jussi Behrndt
Self-Ajoint Extensions of Elliptic Partial Differential Operators
on Smooth Bounded Domains
- Maxim Derevyagin
On the Uniform Convergence of Pade Approximants for
Generalized Nevanlinna Functions
- A. Dijksma
On the Schur Transformation of Generalized Nevanlinna Functions
- Andreas Fleige
A Necessary Aspect of the Generalized Beals Condition
for the Riesz Basis Property of Indefinite
Sturm-Liouville Problems
- Aurelian Gheondea
On Krein Spaces Induced by Symmetric Operators
- Rostyslav Hryniv
Inverse Spectral Problems for Bessel Operators
- Birgit Jacob
Minimum-Phase Infinite-Dimensional Second-Order Systems
- Ilia Karabash
On Eigenvalues of Non-Definitizable Differential Operators
- Victor Khatskevich
An Analogue of the Liouville Theorem for Linear Relations in Banach Spaces
- Evgeny Korotyaev
Spectral Estimates for Schrödinger
Operator with Periodic Matrix Potentials on the Real Line
- Aleksey Kostenko
Similarity of some Indefinite Sturm-Liouville Operators to Self-Adjoint
Operators
- Heinz Langer
Sturm-Liouville Operators with Singularities and Generalized Nevanlinna
Functions
- Matthias Langer
Variational Principles for Eigenvalues of the Klein--Gordon Equation
- Annemarie Luger
On the Eigenvalues of Self-Adjoint Extensions with Exit
- Mark Malamud
Weyl Function and Generalization of the
Aronszajn-Donoghue Theory
- Christian Mehl
Polar Decompositions in Indefinite Inner Product Spaces
- Manfred Möller
A Completeness Theorem for a Non-Standard Two-Parameter Eigenvalue
Problem
- Hagen Neidhardt
Block Matrices, Boundary Triplets and Scattering
- Konstantin Pankrashkin
Cantor Spectra on Periodic Quantum Graphs with Magnetic Fields
- Friedrich Philipp
Spectral Points of Type $\pi_{+}$ of Symmetric Operators
in Indefinite Inner Product Spaces
- Vyacheslav Pivovarchik
Shifted Hermite-Biehler functions. II. Applications
- Sergei G. Pyatkov
Some Properties of Eigenfunctions and Associated Functions of
Indefinite Sturm-Liouville Problems
- André C.M. Ran
Semidefinite Invariant Subspaces for Normal and Hyponormal Matrices
in an Indefinite Inner Product Space
- Leiba Rodman
Canonical Forms for Pairs
of Symmetric, Skew Symmetric, or
Hermitian Matrices: Some Applications and Open Problems
- Adrian Sandovici
Extension Theory of Sectorial Linear Relations.
A Factorization Approach
- Andrei Shkalikov
PT- and CPT-symmetric Operators. Critical Parameter
Values. Spectral Portraits.
- Yuri Shondin
Around Models of
N_κ^∞-Functions
- Henk de Snoo
Limit-Point/Limit-Circle Classification for Sturm-Liouville Problems
whose Coefficients Depend Rationally on the Eigenvalue Parameter
- Vladimir Strauss
On a Model Description for Normal Operators of $D_{\kappa}^+$-Class in
Krein Spaces
- Franciszek H. Szafraniec
A look at the Krein Space: New Thoughts on Old Truths
- Lyudmila I. Sukhocheva
Quadratic Operator Pencils and Selfadjoint Operators in Krein Space
- Christiane Tretter
The Spectra of Multiplication Operators Associated with Families of
Operators
- Carsten Trunk
Extension
of Symmetric Operators with Finitely Many Negative Squares
in Krein Spaces
- Kresimir Veselic
New Perturbation Estimates for Eigenvalues
and Eigenvectors of Selfadjoint Operators
- Gerald Wanjala
Absolutely p-Summing Operators in Krein Spaces
- Henrik Winkler
Singularities of Generalized Strings
- Harald Woracek
Shifted Hermite-Biehler Functions