Timeline for For regular tetrahedron $ABCD$ with center $O$, and $\overrightarrow{NO}=-3\overrightarrow{MO}$, is $NA+NB+NC+ND\geq MA+MB+MC+MD$?
Current License: CC BY-SA 4.0
21 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 11, 2020 at 10:51 | vote | accept | JoMath | ||
| Jan 9, 2020 at 16:05 | comment | added | JoMath | @WilberdvanderKallen Your answer is very good and I truly thank you for your help! I will probably accept it, I just thought that maybe I should wait a little longer in case some other solutions appear. | |
| Jan 9, 2020 at 8:54 | comment | added | Wilberd van der Kallen | Do you accept my answer? | |
| Jan 8, 2020 at 10:19 | history | edited | Martin Sleziak | CC BY-SA 4.0 |
inline link
|
| Jan 8, 2020 at 10:03 | answer | added | Wilberd van der Kallen | timeline score: 8 | |
| Jan 3, 2020 at 21:20 | history | reopened |
Gjergji Zaimi godelian Carlo Beenakker Fedor Petrov R.P. |
||
| Jan 3, 2020 at 19:45 | review | Reopen votes | |||
| Jan 3, 2020 at 21:20 | |||||
| Jan 3, 2020 at 19:28 | history | edited | JoMath | CC BY-SA 4.0 |
added 55 characters in body
|
| Dec 30, 2019 at 22:49 | comment | added | Todd Trimble | This may be reopened after the bounty expires. | |
| S Dec 30, 2019 at 22:49 | history | closed |
Andrés E. Caicedo Todd Trimble |
Not suitable for this site | |
| S Dec 30, 2019 at 22:49 | comment | added | Todd Trimble | I'm voting to close this question as off-topic because there is still a bounty on the question at Mathematics. | |
| Dec 30, 2019 at 22:35 | review | Close votes | |||
| Dec 30, 2019 at 22:50 | |||||
| Dec 30, 2019 at 22:18 | history | edited | Andrés E. Caicedo |
edited tags
|
|
| Dec 30, 2019 at 21:34 | comment | added | user120123 | The standard parametrization is the following: $$A(3,0,0); B(-1,2\sqrt2,0); C(-1,-\sqrt2,\sqrt6); D(-1,-\sqrt2,-\sqrt6).$$ | |
| Dec 30, 2019 at 21:06 | comment | added | user44143 | I wouldn’t object to posting here after the MSE bounty ends | |
| Dec 30, 2019 at 20:06 | comment | added | JoMath | @MattF. I pondered over this aspect before posting, as I know that crossposting is not encouraged, but I reached the conclusion that it would be all right since it has been there for a while and little progress has been made(the only answer there was for the 2D case and I encouraged that user to post it since I had got no response to the problem and I thought that maybe it would somehow prove to be useful for the 3D case in which I am interested). I hoped that by posting here I would draw more attention to the problem. I am sorry if I were wrong, but I find this problem really interesting. | |
| Dec 30, 2019 at 19:45 | comment | added | user44143 | I think it’s inappropriate to post this here while there’s a bounty on the question at the other site, with upvotes and comments and an answer. | |
| Dec 30, 2019 at 18:44 | comment | added | JoMath | @DimaPasechnik Yes, they are distances. | |
| Dec 30, 2019 at 16:12 | comment | added | Dima Pasechnik | what are these $NA$, $NB$, etc.? Distances? | |
| Dec 30, 2019 at 15:15 | review | First posts | |||
| Dec 30, 2019 at 16:30 | |||||
| Dec 30, 2019 at 15:12 | history | asked | JoMath | CC BY-SA 4.0 |