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
2014 A completion problem for an unbounded nonnegative block operator Seppo Hassi
2013 Products of generalized Nevanlinna functions with symmetric rational functions Hassi, S.; Wietsma, H.L.
2013 Unitary equivalence of proper extensions of a symmetric operator and the Weyl function Hassi, Seppo; Mark Malamud; Vadim Mogilevskii
2013 Linear fractional transformations of Nevanlinna functions associated with a nonnegative operator Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk; Wietsma, Rudi; Winkler, Henrik
2013 On J-self-adjoint operators with stable C-symmetries Hassi, Seppo; Kuzhel, Sergii