5th Workshop Operator Theory

TU Berlin, December 16-18, 2005




List of abstracts

 

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