Timeline for When powers of matrices are represented as a sum of integral matrices
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 24, 2013 at 22:27 | comment | added | Will Sawin | Or rather that this conjugate criterion is what is meant by an integral matrix. Otherwise, a sum of integral matrices would just be an integral matrix. | |
| Jun 24, 2013 at 22:23 | comment | added | Will Sawin | The actual criterion is that a matrix is conjugate to an integral matrix if and only if its eigenvalues are integral. | |
| Jun 24, 2013 at 7:26 | history | answered | Gottfried Helms | CC BY-SA 3.0 |