Seppo Hassi

Contact

Seppo.Hassi [at] uwasa.fi

Fabriikki F482

Introduction

For a further personal home page see:

http://lipas.uwasa.fi/~sha/

Publications

Publication year	Publication	Authors
2006	A general realization theorem for matrix-valued Herglotz-Nevanlinna functions	Belyi, Sergey; Hassi, Seppo; de Snoo, Henk; Tsekanovskii, Eduard
2006	A class of Nevanlinna functions associated with Sturm-Liouville operators	S. Hassi;M. Möller;and H.S.V. de Snoo
2006	Completeness and Riesz basis property of systems of eigenfunctions and associated functions of Dirac-type operators with boundary conditions depending on the spectral parameter	S. Hassi and L.L. Oridoroga
2006	Form sums of nonnegative selfadjoint operators	S. Hassi;A. Sandovici;H.S.V. de Snoo;and H. Winkler
2006	Generalized zeros and poles of N_kappa-functions: On the underlying spectral structure	S. Hassi and A. Luger