3rd Workshop Operator Theory

TU Berlin, December 12-14, 2003




List of abstracts

 

  1. Vadim M. Adamyan Aymptotic Expression for Non-stationary Perturbation Determinants
  2. Daniel A. Alpay Reproducing kernel quaternionic Pontryagin spaces
  3. Yury Arlinskii On some semigroups on the complex plane
  4. Tomas Ya. Azizov On  Hamiltonian operators and operator-functions
  5. Andrei I. Barsukov A Cauchy problem associated with an $(\omega, W)$-dissipative operator
  6. Jussi Behrndt A Class of Nonlinear Eigenvalue Problems
  7. Branko Curgus Sturm-Liouville Problems with Indefinite Weights
  8. Vladimir A. Derkach Spectral problems for generalized Jacobi matrices
  9. Aad Dijksma A theorem of Beurling-Lax type for Hilbert spaces of functions analytic in the unit ball
  10. Andreas Fleige The Generalized Friedrichs Extension of a Non-semibounded Second Order Differential Operator
  11. Karl-Heinz Förster On Matrix-Polynomials with Nonnegative Coefficients
  12. Aurelian Gheondea Invariant Reproducing Kernel Krein Spaces
  13. Seppo Hassi On the Friedrichs and the Krein-von Neumann extension of nonnegative relations
  14. Rostyslav Hryniv Spectral properties of some class of operator matrices
  15. Michael Kaltenbäck Almost Pontryagin spaces
  16. Heinz Langer Normal operators in Pontryagin spaces
  17. Matthias Langer Spectrum of definite type of self-adjoint operators in Krein spaces
  18. Annemarie Luger Once more about models for generalized Nevanlinna functions
  19. Christian Mehl Normal operators in indefinite inner product spaces
  20. Hagen Neidhardt Self-adjoint extensions with several gaps: scalar-type Weyl functions
  21. André C.M. Ran An inertia theorem for the indefinite Stein equation and applications
  22. Andrei Shkalikov Exponential stability and analiticity of semigroups related to operator models in hydrodynamics and elasticity
  23. Yuri Shondin Different boundary value problems associated with a high order singular perturbation
  24. Vladimir Strauss On the uniqueness of an integro-polynomial representation for a definitizable trigonometric moment problem
  25. Lyudmila I. Sukhocheva Classes of operators in a Krein space: relations
  26. Franciszek H. Szafraniec Subnormality and cyclicity
  27. Christiane Tretter Existence and uniqueness of contractive solutions of some Riccati equations
  28. Carsten Trunk On Intervals of Type π
  29. Kresimir Veselic Time decay of damped systems
  30. Gerald Wanjala Closely connected unitary realizations of the solutions to the basic interpolation problem for generalized Schur functions
  31. Henrik Winkler The structure of relations in linear spaces
  32. Harald Woracek An indefinite analogue of the Stieltjes class