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| Type | Title | Author | Replies | Last Post |
|---|---|---|---|---|
| Open problem | Every 4-connected toroidal graph has a Hamilton cycle | fhavet | 0 | 12 years 41 weeks ago |
| category | Fon-Der-Flasss, D. G. | fhavet | 0 | 12 years 41 weeks ago |
| Open problem | Acyclic list colouring of planar graphs. | fhavet | 0 | 12 years 41 weeks ago |
| category | Sopena, Eric | Anonymous | 0 | 12 years 41 weeks ago |
| category | Raspaud, André | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Earth-Moon Problem | fhavet | 0 | 12 years 41 weeks ago |
| category | Ringel, G. | Anonymous | 0 | 12 years 41 weeks ago |
| category | Tuza, Zsolt | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Triangle-packing vs triangle edge-transversal. | fhavet | 0 | 12 years 41 weeks ago |
| category | Faudree, Ralph | Anonymous | 0 | 12 years 41 weeks ago |
| category | Spencer, Joel | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Odd-cycle transversal in triangle-free graphs | fhavet | 0 | 12 years 41 weeks ago |
| category | Neumann-Lara, Victor | Anonymous | 0 | 12 years 41 weeks ago |
| category | \nSkrekovski, Riste | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Simultaneous partition of hypergraphs | fhavet | 0 | 12 years 41 weeks ago |
| category | Kühn, Daniella | Anonymous | 0 | 12 years 41 weeks ago |
| category | Osthus, Deryk | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Complexity of the H-factor problem. | fhavet | 0 | 12 years 41 weeks ago |
| Open problem | Subgraph of large average degree and large girth. | fhavet | 0 | 12 years 41 weeks ago |
| category | Simonovits, Miklos | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Turán number of a finite family. | fhavet | 0 | 12 years 41 weeks ago |
| Open problem | Subdivision of a transitive tournament in digraphs with large outdegree. | fhavet | 0 | 12 years 41 weeks ago |
| category | Berman, David M. | Anonymous | 0 | 12 years 41 weeks ago |
| category | Abertson, Michael O. | Anonymous | 0 | 12 years 41 weeks ago |
| Open problem | Large induced forest in a planar graph. | fhavet | 0 | 12 years 41 weeks ago |
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