Timeline for Question on a generalisation of a theorem by Euler
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 20, 2018 at 0:06 | comment | added | Anton Klyachko | Indeed, we were unaware of Euler's result. | |
| Jun 22, 2018 at 2:31 | comment | added | Zhi-Wei Sun | For any rational number $x$, by Euler's result we can write $-x$ as $abc(a+b+c)$ with $a,b,c\in\mathbb Q$, thus $x=abcd$ with $d=-a-b-c$, and $a+b+c+d=0$. So Euler's result for $k=3$ essentially implies that $k\ge5$ is good. | |
| Jun 16, 2018 at 17:56 | vote | accept | Dominic van der Zypen | ||
| Jun 16, 2018 at 17:55 | vote | accept | Dominic van der Zypen | ||
| Jun 16, 2018 at 17:56 | |||||
| Jun 16, 2018 at 17:19 | history | edited | Jeremy Rouse | CC BY-SA 4.0 |
Fixed a typo in the last equation.
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| Jun 16, 2018 at 16:47 | history | answered | Jeremy Rouse | CC BY-SA 4.0 |