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
2009 Boundary relations, unitary colligations, and functional models J. Behrndt;S. Hassi;and H.S.V. de Snoo
2009 Theorem of completeness for a Dirac-type operator with generalized lambda-depending boundary conditions Hassi, S; Oridoroga, L
2009 Domain and range descriptions for adjoint relations, and parallel sums and differences of forms S. Hassi;Z. Sebestyen;and H.S.V. de Snoo
2009 On symmetries in the theory of finite rank singular perturbations Hassi, S; Kuzhel, S
2008 One-dimensional perturbations, asymptotic expansions, and spectral gaps S. Hassi;A. Sandovici;H.S.V. de Snoo;and H. Winkler