Sands, Bill
| Title | Source | Status | Imp. | Posted |
|---|---|---|---|---|
| Monochromatic reachability in arc-colored digraphs | opg | open | ★★★ | 2017-04-04 |
| Monochromatic reachability or rainbow triangles | opg | partial | ★★★ | 2008-07-15 |
| Title | Source | Status | Imp. | Posted |
|---|---|---|---|---|
| Monochromatic reachability in arc-colored digraphs | opg | open | ★★★ | 2017-04-04 |
| Monochromatic reachability or rainbow triangles | opg | partial | ★★★ | 2008-07-15 |