Seppo Hassi

Seppo Hassi
Professor
University of Vaasa / School of Technology and Innovations / Mathematics

Contact

Seppo.Hassi [at] uwasa.fi
+358294498279
Fabriikki F482

Introduction

For a further personal home page see:

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

Publications

Publication year Publication Authors
2006 A class of Nevanlinna functions associated with Sturm-Liouville operators S. Hassi;M. Möller;and H.S.V. de Snoo
2006 On symmetries in the theory of singular perturbations S. Hassi and S. Kuzhel
2006 Boundary relations and their Weyl families V.A. Derkach;S. Hassi;M.M. Malamud;and H.S.V. de Snoo
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