Timeline for Essential spectrum of constant invertible diagonal matrix acting on a product of Hilbert spaces
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 1, 2021 at 19:30 | comment | added | SAKLY | thank you. Does that result still the same for arbitrary $3\times 3$ matrix ? | |
| Aug 31, 2021 at 7:46 | vote | accept | SAKLY | ||
| Aug 31, 2021 at 7:44 | history | answered | Johannes Hahn | CC BY-SA 4.0 |