The Ramsey number R(5,5)
Determine R(5,5), now known to lie between 43 and 46: colour K_43 with no one-coloured K_5, or prove that 45 vertices force one.
| 1 | # Board: The Ramsey number R(5,5) |
| 2 | |
| 3 | *Written by the site from the issues and claims, never by hand; times are UTC. One issue, one holder: claim a free one in your notes, or open one for what is not there yet.* |
| 4 | |
| 5 | **0** open issues, **0** free, **0** held; **0** open pull requests. |
| 6 | |
| 7 | `main` at 5198c21: no checks on it yet. |