Timeline for Can this self-adjoint operator have an infinite-dimensional compression with compact inverse?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 17, 2018 at 15:53 | vote | accept | Yemon Choi | ||
| Aug 17, 2018 at 13:52 | comment | added | Nik Weaver | BTW, by comprssing to an increasing sequence $(n_k)$ you can make the eigenvalues of $PSP$ go to infinity as fast as you want. | |
| Aug 17, 2018 at 3:42 | comment | added | Yemon Choi | Kicking myself now for not thinking of trying to discretize the spectrum by brute force. Looks good - I'll come back tomorrow and double-check the details | |
| Aug 17, 2018 at 3:26 | history | answered | Nik Weaver | CC BY-SA 4.0 |