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Mar 8, 2017 at 12:25 comment added Elias Schoof Thank you! How can I apply this to my problem? The situation in the paper seems to be the other way around: In my notation, it deals with $Ab$, not $A^{-1}b$.
Mar 7, 2017 at 16:20 comment added Rodrigo de Azevedo A new characterization of inverse-positive matrices (1991)
Mar 7, 2017 at 16:15 history edited Elias Schoof CC BY-SA 3.0
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Mar 7, 2017 at 14:45 history asked Elias Schoof CC BY-SA 3.0