Timeline for The maximum amount of checkers placed on an m×n checkerboard with no rectangles formed
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
|
|
| Mar 6, 2017 at 3:32 | comment | added | Mclalalala | @Brendan McKay, This is a high school problem, can you use induction or some other combinatorics skills | |
| Jan 27, 2017 at 14:06 | comment | added | Pat Devlin | Also note this is putting edges in a bipartite graph and hoping to avoid cycles of length 4. | |
| Jan 27, 2017 at 8:55 | history | answered | Brendan McKay | CC BY-SA 3.0 |