Abstract
Theorem A. Let P be a bounded projection in a unitary matrix space CE. Then either PCE or (I-P)CE contains a subspace which is isomorphic to CE and complemented in CE.
| Original language | English |
|---|---|
| Pages (from-to) | 601-608 |
| Number of pages | 8 |
| Journal | Proceedings of the American Mathematical Society |
| Volume | 79 |
| Issue number | 4 |
| DOIs | |
| State | Published - Aug 1980 |
| Externally published | Yes |
Keywords
- C-spaces
- Compact operators on Hubert spaces
- Complemented subspaces
- Symmetric sequence spaces
- Unitary matrix spaces
ASJC Scopus subject areas
- General Mathematics
- Applied Mathematics