Timeline for The number of different lattice triangles
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 27, 2015 at 5:01 | comment | added | Alexey Ustinov | This number is known because it is a number of sublattices in $\mathbb{Z}^2$ of index $A$. I think that I can answer my question but I'm not sure that this problem is new. | |
| Sep 26, 2015 at 14:08 | history | answered | Fedor Petrov | CC BY-SA 3.0 |