Timeline for finding a unitary submatrix inside a random matrix
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 3, 2015 at 13:29 | comment | added | Jeff | the question is updated. | |
| Nov 3, 2015 at 13:11 | comment | added | Igor Rivin | @Hossein But for any $n$ the probability is $0,$ so the limit is $0.$ As for "almost unitary", you have to define what that means. | |
| Nov 3, 2015 at 12:57 | comment | added | Jeff | As $n\to \infty$, the number of those $r \times r$ submatrices goes to infinity as well. Right? In any case, I modified the question to cover ``almost unitary'' matrices. Do you have any idea about that? | |
| Nov 3, 2015 at 12:47 | history | answered | Igor Rivin | CC BY-SA 3.0 |