| 2006 |
A canonical decomposition for linear operators and linear relations |
S. Hassi;Z. Sebestyen;H.S.V. de Snoo;F.H. Szafraniec |
| 2006 |
Parametrization of contractive block-operator matrices and passive discrete-time systems |
Yu. Arlinskii;S. Hassi;and H.S.V. de Snoo |
| 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 |
On symmetries in the theory of singular perturbations |
S. Hassi and S. Kuzhel |
