Timeline for Is a normal matrix satisfying $A^TA=...$ circulant?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 13, 2015 at 7:52 | comment | added | pre-kidney | I am interested in whether the same question holds, but now up to row/column permutation. I have posted the new version here: mathoverflow.net/questions/193803/… | |
| Jan 13, 2015 at 7:31 | comment | added | pre-kidney | Very nice. I observed the cyclic invariance but didn't think to extend to arbitrary permutation invariance. | |
| Jan 13, 2015 at 7:28 | vote | accept | pre-kidney | ||
| Jan 12, 2015 at 10:38 | history | answered | Denis Serre | CC BY-SA 3.0 |