Timeline for Is it possible to classify non-closed subspaces of Hilbert's space?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 16, 2021 at 14:26 | answer | added | Black | timeline score: 1 | |
| Jan 16, 2021 at 14:01 | comment | added | Black | Thanks for a very interesting comment! So there are indeed lots of different unitarily equivalence classes of dense hyperplanes. I'd be very curious to see examples of two such classed being distinguished by analytic properties! | |
| Jan 15, 2021 at 0:34 | comment | added | Narutaka OZAWA | As to 2 and 3, the linear dual of $H$ has more elements than the unitary group of $H$. | |
| Jan 14, 2021 at 22:18 | history | asked | Black | CC BY-SA 4.0 |