Timeline for Multiplying by Loewner-ordered matrices
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 4, 2022 at 16:12 | comment | added | Athere | Thanks Christian, that's an excellent counterexample. | |
| Sep 3, 2022 at 16:26 | comment | added | Christian Remling | The function $X\mapsto X^2$ is not operator monotone (search for these keywords perhaps for more information), so this fails even when $C=1$. | |
| Sep 3, 2022 at 15:31 | comment | added | Joseph Van Name | Are you trying to show that $\forall A,B\exists C$ or $\forall A,B\forall C$? $\forall A,B\forall C$ can be easily disproven using computer calculations by testing random positive semidefinite matrices. | |
| Sep 3, 2022 at 13:42 | history | asked | Athere | CC BY-SA 4.0 |