Timeline for Invertibility of a certain matrix indexed by the Hamming cube
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 9, 2013 at 2:03 | comment | added | Brendan McKay | Yikes, you beat me. ;) | |
| Mar 9, 2013 at 2:02 | history | edited | Brendan McKay | CC BY-SA 3.0 |
proved
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| Mar 9, 2013 at 2:00 | comment | added | Brendan McKay | You are right, which prompted me to find the correct formula. Editing... | |
| Mar 9, 2013 at 1:23 | comment | added | Sungjin Kim | It is $(-1)^{k+1}$ when $|I\cup J|=n$, and 0 otherwise. | |
| Mar 8, 2013 at 21:43 | comment | added | Sungjin Kim | Your guess doesn't hold for $n=1$. | |
| Mar 7, 2013 at 12:50 | history | answered | Brendan McKay | CC BY-SA 3.0 |