Abstract
It is shown that the identity operator is a best unitary approximant to any positive measurable operator affiliated with a semifinite von Neumann algebra equipped with a distinguished faithful normal semifinite trace.
| Original language | English |
|---|---|
| Pages (from-to) | 115-124 |
| Number of pages | 10 |
| Journal | Proceedings of the American Mathematical Society |
| Volume | 117 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 1993 |