Timeline for Eigenvalues of $AB$ and $BA$ where $A$ and $B$ are square matrices
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| Apr 13, 2018 at 9:41 | comment | added | user91684 | Your proof has no interest because you don't show the equality of multiplicities of the eigenvalues of $AB,BA$. Moreover I don't see why the eigenvalue $0$ is a problem: if $\det(AB)=0$, then $\det(BA)=0$ too. | |
| Jun 5, 2014 at 17:20 | history | answered | user50948 | CC BY-SA 3.0 |