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ThemaAutorJahrBetreuer
Growth Estimates for Nevanlinna MatricesRaphael Pruckner2017H.Woracekpdf
Models for cyclic definitisable selfadjoint operators in Krein spaces Maximilian Kleinert 2010H.Woracek pdf
Sturm-Liouville Operators with singular potentials Bernhard Bodenstorfer 2000H.Langer pdf
Variational Principles for the characterization of the real eigenvalues of selfadjoint operator pencils David Eschwe 2000H.Langer
Spectral properties of a $\lambda$-rational Sturm-Liouville problem Matthias Langer 1999H.Langer pdf
Factorization results for generalized matrix Nevanlinna functions Annemarie Luger 1999H.Langer
Asymptotics of sequences defined by certain recurrences Wolfgang Müller 1999F.Vogl pdf
Some questions related to symmetric operators in Hilbert spaces Michael Kaltenbäck 1996 H.Langer
Das verallgemeinerte Navanlinna-Pick Problem im entarteten Fall Harald Woracek 1994H.Langer pdf
Zum inversen Spektralproblem für zweidimensionale kanonische Systeme Henrik Winkler 1993H.Langer pdf