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
2003 Singular perturbations of selfadjoint operators Derkach Vladimir;Hassi Seppo;de Snoo Henk
2003 One-dimensional perturbations of selfadjoint operators with finite or discrete spectrum Arlinskii Yury;Hassi Seppo;de Snoo Henk;and Tsekanovskii Eduard
2003 Completeness theorems for Dirac-type operators with boundary conditions of general form depending on the spectral parameter Hassi Seppo and Oridoroga Leonid
2002 Differential operators and spectral functions Hassi Seppo;Möller Manfred;de Snoo Henk
2002 Singular perturbations of selfadjoint operators Derkach Vladimir;Hassi Seppo;de Snoo Henk