Timeline for is there any relationship between the eigenvector of sum(AA'+BB') and sum(A'A+B'B) ?
Current License: CC BY-SA 3.0
4 events
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| Dec 20, 2012 at 17:53 | history | edited | Steven Landsburg | CC BY-SA 3.0 |
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| Dec 20, 2012 at 17:51 | comment | added | Steven Landsburg | Terry Tao: I did check this before posting, but obviously I got it wrong (as your remark about the trace makes clear). Thanks for the correction. | |
| Dec 20, 2012 at 16:57 | comment | added | Terry Tao | Are you sure about the solvability of this system? It seems to me that $AA'+BB'$ and $A'A+B'B$ necessarily have the same trace, for instance (and are necessarily positive semidefinite, too). | |
| Dec 20, 2012 at 15:37 | history | answered | Steven Landsburg | CC BY-SA 3.0 |