Timeline for Only odd primes?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 5, 2022 at 1:22 | history | became hot network question | |||
| Feb 4, 2022 at 18:36 | comment | added | GH from MO | $u$ and $v$ are disjoint if and only if $k$ is odd and not a perfect square. See my response below. | |
| Feb 4, 2022 at 18:29 | answer | added | GH from MO | timeline score: 20 | |
| Feb 4, 2022 at 18:10 | answer | added | Jeremy Rouse | timeline score: 32 | |
| Feb 4, 2022 at 17:45 | comment | added | LSpice | A tiny bit of data: $\lfloor(2 - \sqrt2)6\rfloor = \lfloor(2 + \sqrt2)1\rfloor$; $\lfloor(4 - \sqrt4)3\rfloor = \lfloor(4 + \sqrt4)1\rfloor$; $\lfloor(6 - \sqrt6)12\rfloor = \lfloor(6 + \sqrt6)5\rfloor$; $\lfloor(8 - \sqrt8)2\rfloor = \lfloor(8 + \sqrt8)1\rfloor$; $\lfloor(9 - \sqrt9)2\rfloor = \lfloor(9 + \sqrt9)1\rfloor$; and, if I have not made a mistake, then these are the least coincidences among the two sets. Do you know any special case (e.g., non-squarefree $k$ don't produce disjoint sets)? | |
| Feb 4, 2022 at 17:39 | comment | added | LSpice | Are $k$ and $n$ integers? | |
| Feb 4, 2022 at 17:20 | history | asked | Clark Kimberling | CC BY-SA 4.0 |