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Timeline for Inverse quadratic norms

Current License: CC BY-SA 4.0

7 events
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Jul 25, 2022 at 11:09 history edited Luc Guyot CC BY-SA 4.0
Elaborates on the final argument
Jul 25, 2022 at 10:12 comment added Felix got it - thanks :-)
Jul 25, 2022 at 10:12 vote accept Felix
Jul 25, 2022 at 9:35 comment added Felix Thanks a lot. May I ask how you come to the conclusion? We have that $O$ also diagonalizes $A(I_n -A^{-1})$ and that this term is spd. Why is then $(I_n-A^{-1})$ also spd?
Jul 23, 2022 at 16:42 history edited Luc Guyot CC BY-SA 4.0
Add extra Wiki link for positive semi-definite matrices
Jul 23, 2022 at 16:33 history edited Luc Guyot CC BY-SA 4.0
Adds one more hint
Jul 23, 2022 at 16:21 history answered Luc Guyot CC BY-SA 4.0