Timeline for Is there any sequence $a_n$ of nonnegative numbers for which $\sum_{n \geq 1}a_n^2 <\infty$ and $\sum_{n \geq 1}\left(\sum_{k \geq 1}\frac{a_{kn}}{k}\right)^2=\infty$?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Sep 20 at 9:00 | answer | added | Martin.s | timeline score: 0 | |
| Apr 13, 2017 at 12:19 | history | edited | CommunityBot |
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
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| Jan 13, 2012 at 7:07 | answer | added | Péter Komjáth | timeline score: 5 | |
| Jun 18, 2011 at 20:46 | vote | accept | a_MSE_user | ||
| Jun 11, 2011 at 4:41 | answer | added | Noam D. Elkies | timeline score: 38 | |
| Jun 10, 2011 at 14:10 | history | edited | j.c. | CC BY-SA 3.0 |
improve title
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| Jun 10, 2011 at 12:31 | history | asked | a_MSE_user | CC BY-SA 3.0 |