McDiarmid, Colin
| Title | Source | Status | Imp. | Posted |
|---|---|---|---|---|
| 2-colouring a graph without a monochromatic maximum clique | opg | partial | ★★ | 2013-08-25 |
| Arc-disjoint directed cycles in regular directed graphs | opg | open | ★★ | 2013-05-17 |
| Weighted colouring of hexagonal graphs. | opg | partial | ★★ | 2013-03-13 |