Timeline for About a solid which satisfies $\sum_{i=1}^{n}x_i=0, |x_i|\le1\ (i=1,2,\cdots,n)$
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 15, 2013 at 17:03 | history | edited | Igor Rivin | CC BY-SA 3.0 |
improved the english
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| Nov 15, 2013 at 16:47 | vote | accept | mathlove | ||
| Nov 15, 2013 at 15:19 | history | answered | Igor Rivin | CC BY-SA 3.0 |