| 2016 |
Completion, extension, factorization, and lifting of operators |
Baidiuk, D.; Hassi, S. |
| 2015 |
Factorization, majorization, and domination for linear relations |
Hassi, S.; de Snoo, H.S.V. |
| 2015 |
Q-functions and boundary triplets of nonnegative operators |
Arlinskii, Yuri M.; Hassi, Seppo |
| 2015 |
Compressed resolvents of selfadjoint contractive exit space extensions and holomorphic operator-valued functions associated with them |
Arlinskii, Yu.; Hassi, Seppo |
| 2014 |
Normal intermediate extensions of symmetric relations |
S. Hassi, H.S.V. de Snoo, and F.H. Szafraniec |