Timeline for Function on quadratic numbers
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
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| Sep 19, 2016 at 11:49 | comment | added | T. Amdeberhan | I appreciate your write up in the reply. | |
| Sep 18, 2016 at 19:20 | comment | added | Wojowu | @T.Amdeberhan Sorry, when I've received your comment I was away from home and just now I have remembered about it. I have added a sketch of a proof that there are no solutions apart from the ones constructed in the list. | |
| Sep 18, 2016 at 19:19 | history | edited | Wojowu | CC BY-SA 3.0 |
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| Sep 12, 2016 at 10:06 | comment | added | T. Amdeberhan | Vieta can be used to show $f(a,b)\in\mathbb{N}$ implies $f(a,b)$ is a perfect square. I don't know how it applies to prove the above list $(a,b)$ and $(b,a)$ are the only solutions. | |
| Sep 12, 2016 at 6:30 | comment | added | Wojowu | @T.Amdeberhan Up to swapping $a$ and $b$ - yes, this can be shown with the Vieta jumping argument. | |
| Sep 12, 2016 at 3:11 | comment | added | T. Amdeberhan | Are these the only solutions? | |
| Sep 8, 2016 at 19:49 | vote | accept | Dominic van der Zypen | ||
| Sep 8, 2016 at 10:13 | history | edited | Wojowu | CC BY-SA 3.0 |
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| Sep 8, 2016 at 9:55 | history | edited | Wojowu | CC BY-SA 3.0 |
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| Sep 8, 2016 at 9:23 | history | answered | Wojowu | CC BY-SA 3.0 |