6th Workshop Operator Theory

TU Berlin, December 14-17, 2006

List of abstracts

 

  1. Vadim M. Adamyan Non-Negative Perturbations of Non-Negative Selfadjoint Operators       slides
  2. Daniel Alpay Generalized Nevanlinna Functions in the Banach Space Setting       slides
  3. Elena Andreisheva Approximation of Generalized Schur functions       slides
  4. Yury Arlinskii Matrix Representations of Contractions with Rank One Defects and Inverse Spectral Problems
  5. Tomas Ya. Azizov Pontryagin Theorem and an Analysis of the Spectral Stability of Solitons       slides
  6. Jussi Behrndt On the Eigenvalues of Non-Canonical Selfadjoint Extensions       slides
  7. Paul Binding Darboux Transformations and Commutation in Pontryagin Space
  8. Marina Chugunova Diagonalization of the Coupled-Mode System       slides
  9. Branko Curgus Positive Operators in Krein Spaces Similar to Self-Adjoint Operators in Hilbert Spaces       slides
  10. Mikhail Denisov Spectral Function for some Product of Selfadjoint Operators       slides
  11. Maxim Derevyagin A Criterion for the Resolvent Set of Generalized Jacobi Operators Acting in Krein Spaces
  12. Vladimir Derkach Coupling Method in the Theory of Generalized Resolvents of Symmetric Operators       slides
  13. Aad Dijksma The Schur Transformation for Generalized Nevanlinna Functions Centered at a Point in C^+
  14. Aurelian Gheondea A Krein Space Interpretation of Dirac Operators       slides
  15. Uwe Günther A Toy Model of PT-Symmetric Quantum Mechanics, the Squire Equation and UV-IR-Duality
  16. Niels Hartanto Block Numerical Ranges of Nonnegative Matrices       slides
  17. Rostyslav Hryniv What Spectra can Non-Self-Adjoint Sturm-Liouville Operators Have?       slides
  18. Birgit Jacob Location of the Spectrum of Operator Matrices which are Associated to Second Order Equations       slides
  19. Marinus Kaashoek The Inverse Problem for Krein Orthogonal Entire Matrix Functions       slides
  20. Illya Karabash The Abstract Kinetic Equation on a Half-Line
  21. Victor Khatskevich On the Structure of Semigroups of Operators Acting in Spaces with Indefinite Metric       slides
  22. Aleksey Kostenko Indefinite Sturm-Liouville Operators with the Singular Critical Point Zero
  23. Pavel Kurasov Operator Models for Singular Ordinary Differential Expressions       slides
  24. Ekaterina Lopushanskaya On the Representation of Generalized Caratheodory Functions in the Area $\Omega_\nu$
  25. Annemarie Luger On Non-Canonical Extensions with Finitely Many Negative Squares       slides
  26. Mark Malamud Completeness of Root Vectors for Arbitrary Boundary Value Problems for Sturm-Liouville Equations
  27. Alexander Markus On Convexity of Ranges of Quadratic Forms on Various Sets
  28. Hagen Neidhardt Wigner's R-Matrix and Weyl Functions       slides
  29. Vyacheslav Pivovarchik On Spectra of a Certain Class of Quadratic Operator Pencils with One-Dimensional Linear Part
  30. André C.M. Ran On the Relation between XX^[*] and X^[*]X in an Indefinite Inner Product Space       slides
  31. Leiba Rodman On Factorization of Matrix Functions in the Wiener Algebra
  32. Adrian Sandovici Composition of Dirac Structures for Infinite-Dimensional Systems       slides
  33. Igor Sheipak Indefinite Sturm-Liouville Operators with Singular Self-Similar Weights       slides
  34. Andrei Shkalikov Remarks on Global Stability for Inverse Sturm-Liouville Problems       slides
  35. Yuri Shondin On Approximation of a Boundary Value Problem at 'Regular Singular' Endpoint
  36. Henk de Snoo A Lebesgue Decomposition for Nonnegative Forms
  37. Vladimir Strauss A Test for Commutative $J$-Symmetric Families of $D_{\kappa}^+$-Class       slides
  38. Lyudmila Sukhotcheva On Linearizators of Hyperbolic Type Pencils
  39. Franciszek H. Szafraniec Rows versus Columns       slides
  40. Carsten Trunk Normal and Hyponormal Matrices in Inner Product Spaces       slides
  41. Matej Tusek Influence of the Curvature on the Impurity Spectrum in a Quantum Dot       slides
  42. Kresimir Veselic On Eigenvalue Bounds for Indefinite Selfadjoint Operators       slides
  43. Henrik Winkler Kato Decompositions for Quasi-Fredholm Relations       slides
  44. Michal Wojtylak Domination in Krein Spaces       slides
  45. Harald Woracek Admissible Majorants for de~Branges Spaces of Entire Functions