[12] | An analytic characterization of the eigenvalues of self-adjoint extensions J. Funct. Anal. 247 (2007) 607-640. pdf (with Jussi Behrndt) |
[11] | Generalized resolvents of a class of symmetric operators in Krein spaces accepted for publication in Oper. Theory Adv. Appl. (with Jussi Behrndt and Carsten Trunk) |
[10] | Minimal models for N_{κ}^{\infty;}-functions Oper. Theory Adv. Appl. 163 (2005) 97-135. pdf (with Aad Dijksma and Yuri Shondin) |
[9] | Generalized zero and poles of N_{κ}-functions: On the underlying spectral structure Methods Funct. Anal. Topology. , 12 (2006), no.2, 131-150. pdf (with Seppo Hassi) |
[8] | A characterization of generalized poles of generalized Nevanlinna functions Math. Nachr. 279 (2006), No.\,8, 891-910. pdf |
[7] | Reflectionless potentials and point interactions in Pontryagin spaces Lett. Math. Phys. 73 (2005), no.2, 109-122. pdf (with Pavel Kurasov) |
[6] | Scalar generalized Nevanlinna functions: realizations with block operator matrices Oper. Theory Adv. Appl. 162 (2005) 253-267. pdf (with Matthias Langer) |
[5] | Minimal realizations of scalar generalized Nevanlinna functions related to their basic factorization Oper. Theory Adv. Appl. 154 (2004) 69-90, Birkhäuser, Basel. pdf (with Aad Dijksma, Heinz Langer, and Yuri Shondin) |
[4] | About generalized zeros of non-regular generalized Nevanlinna functions Integr. equ. oper. theory 45 (2003) 461-473. pdf |
[3] | A factorization of regular generalized Nevanlinna functions Integr. equ. oper. theory 43 (2002) 326-345. pdf |
[2] | A factorization result for generalized Nevanlinna functions of the class N_{κ}^{nxn} Integr. equ. oper. theory 36 (2000) 121-125. pdf (with Aad Dijksma, Heinz Langer, and Yuri Shondin) |
[1] | A class of 2x2-matrix functions Glasnik Matematicki. Serija III. Croatian Math. Soc., Zagreb. Vol. 34 ( 55 ) (2000) 149-160. pdf (with Heinz Langer) |
[F4] | On generalized Nevanlinna functions Habilitation thesis at the TU Vienna 2006. |
[F3] | Generalized poles and zeros of generalized Nevanlinna functions - a survey Proceedings of AIT 2005, Vaasa, Finnland. pdf |
[F2] | Factorization Results for Generalized Matrix Nevanlinna Functions PhD thesis at the TU Vienna 1999. |
[F1] | Einige Betrachtungen zur Linearisierung von holomorphen Operatorfunktionen Diploma thesis at the TU Vienna 1996. |
[E1] | Operator Theory and Indefinite Inner Product Spaces, edited by M.Langer, A.Luger, and H.Woracek. Operator Theory: Advances and Applications, Vol.163 (2006), Birkhäuser Verlag, Basel, xxxii+379pp. |