Timeline for An $r\times r$ submatrix of independent rows and independent columns is invertible (Michael Artin's book).
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
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| Apr 21, 2013 at 19:57 | comment | added | Luna's Chalkboard | I still don't get it. I've tried to understand your post, but keep failing. | |
| Apr 21, 2013 at 18:52 | history | answered | Jim | CC BY-SA 3.0 |