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| Type | Title | Author | Replies | Last Post |
|---|---|---|---|---|
| Open problem | Partition of a cubic 3-connected graphs into paths of length 2. | fhavet | 0 | 13 years 14 weeks ago |
| category | Kelmans, Alexander K. | Anonymous | 0 | 13 years 14 weeks ago |
| category | Sabidussi, Gert | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Decomposing an eulerian graph into cycles with no two consecutives edges on a prescribed eulerian tour. | fhavet | 0 | 13 years 14 weeks ago |
| category | Hajós, G. | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Decomposing an eulerian graph into cycles. | fhavet | 0 | 13 years 14 weeks ago |
| Open problem | Decomposing a connected graph into paths. | fhavet | 0 | 13 years 14 weeks ago |
| category | Melnikov, L. S. | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Melnikov's valency-variety problem | asp | 0 | 13 years 14 weeks ago |
| category | Gallai, Tibor | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Coloring the union of degenerate graphs | fhavet | 0 | 13 years 14 weeks ago |
| category | Bang-Jensen, Joergen | Anonymous | 0 | 13 years 14 weeks ago |
| category | Yeo, Anders | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Arc-disjoint strongly connected spanning subdigraphs | fhavet | 0 | 13 years 14 weeks ago |
| Open problem | Arc-disjoint out-branching and in-branching | fhavet | 0 | 13 years 14 weeks ago |
| Open problem | Does every subcubic triangle-free graph have fractional chromatic number at most 14/5? | Andrew King | 1 | 13 years 14 weeks ago |
| Open problem | Strong edge colouring conjecture | fhavet | 0 | 13 years 14 weeks ago |
| Open problem | Long directed cycles in diregular digraphs | fhavet | 0 | 13 years 14 weeks ago |
| category | Jackson, Bill | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Splitting a digraph with minimum outdegree constraints | fhavet | 0 | 13 years 14 weeks ago |
| category | Xuong N.H. | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Stable set meeting all longest directed paths. | fhavet | 0 | 13 years 14 weeks ago |
| category | Laborde, Jean-Marie | Anonymous | 0 | 13 years 14 weeks ago |
| Open problem | Ádám's Conjecture | fhavet | 0 | 13 years 14 weeks ago |
| category | Ádám, András | Anonymous | 0 | 13 years 14 weeks ago |
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