Preface ....................................................... vii
T.Ya. Azizov and L.I. Soukhotcheva
Linear Operators in Almost Krein Spaces ...................... 1
J. Behrndt, A. Luger and C. Trunk
Generalized Resolvents of a Class of Symmetric Operators
in Krein Spaces ............................................. 13
J. Behrndt, H. Neidhardt and J. Rehberg
Block Operator Matrices, Optical Potentials, Trace Class
Perturbations and Scattering ................................ 33
V. Derkach, S. Hassi and H. de Snoo
Asymptotic Expansions of Generalized Nevanlinna Functions
and their Spectral Properties ............................... 51
A. Fleige
A Necessary Aspect of the Generalized Beals Condition for
the Riesz Basis Property of Indefinite Sturm-Liouville
Problems .................................................... 89
K.-H. Förster and B. Nagy
On Reducible Nonmonic Matrix Polynomials with General
and Nonnegative Coefficients ................................ 95
S. Hassi, H. de Snoo and H. Winkler
On Exceptional Extensions Close to the Generalized
Friedrichs Extension of Symmetric Operators ................ 111
P. Jonas and H. Langer
On the Spectrum of the Self-adjoint Extensions of a
Nonnegative Linear Relation of Defect One in a
Krein Space ................................................ 121
M. Kaltenbäck and H. Woracek
Canonical Differential Equations of Hilbert-Schmidt
Type ....................................................... 159
I. Karabash and A. Kostenko
Spectral Analysis of Differential Operators with
Indefinite Weights and a Local Point Interaction ........... 169
С. Mehl and C. Trunk
Normal Matrices in Degenerate Indefinite Inner Product
Spaces ..................................................... 193
V. Pivovarchik
Symmetric Hermite-Biehler Polynomials with Defect .......... 211
L. Rodman
A Note on Indefinite Douglas' Lemma ........................ 225
A. Sandovici
Some Basic Properties of Polynomials in a Linear Relation
in Linear Spaces ........................................... 231
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