chromatic number
| Title | Source | Status | Imp. | Posted |
|---|---|---|---|---|
| Erdős–Faber–Lovász conjecture | opg | partial | ★★★ | 2013-08-22 |
| Cycles in Graphs of Large Chromatic Number | opg | partial | ★★ | 2015-09-20 |
| Choosability of Graph Powers | opg | open | ★★ | 2013-07-13 |
| Bounding the chromatic number of triangle-free graphs with fixed maximum degree | opg | open | ★★ | 2009-04-17 |