Timeline for Perfect Latin Squares
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 29, 2020 at 1:51 | comment | added | Brian Hopkins | The two squares in the second revision are isomorphic under the permutation $(26534)$ in cycle notation, i.e., $1 \mapsto 1$, $2 \mapsto 6$, $3 \mapsto 4$, $4 \mapsto 2$, $5 \mapsto 3$, $6 \mapsto 5$. | |
| Jul 29, 2020 at 1:35 | comment | added | Vassilis Parassidis | @ Brian Hopkins. I added another square to my answer above. | |
| Jul 29, 2020 at 1:34 | history | edited | Vassilis Parassidis | CC BY-SA 4.0 |
responded to comment
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| Jul 28, 2020 at 23:52 | comment | added | Brian Hopkins | The revised square seems to work. It also has some symmetry, which begs the question of what exactly is desired for a "non-symmetrical" example. | |
| Jul 25, 2020 at 23:00 | history | edited | Vassilis Parassidis | CC BY-SA 4.0 |
improved answer
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| Jul 25, 2020 at 22:49 | history | undeleted | Vassilis Parassidis | ||
| Jul 18, 2020 at 15:40 | history | deleted | Vassilis Parassidis | via Vote | |
| Jul 18, 2020 at 5:59 | comment | added | Jaap Scherphuis | 14 occurs on the top row and on the bottom row. 13 does not occur on any row. | |
| Jul 18, 2020 at 5:34 | history | answered | Vassilis Parassidis | CC BY-SA 4.0 |