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| Type | Title | Author | Replies | Last Post |
|---|---|---|---|---|
| Open problem | Diagonal Ramsey numbers | mdevos | 2 | 15 years 14 weeks ago |
| Open problem | Co-separability of filter objects | porton | 6 | 15 years 14 weeks ago |
| forum topic | Maintaining questions in a subject area | rybu | 4 | 15 years 15 weeks ago |
| category | identity funcoid | Anonymous | 0 | 15 years 15 weeks ago |
| category | direct product of filters | Anonymous | 0 | 15 years 15 weeks ago |
| category | outer reloid | Anonymous | 0 | 15 years 15 weeks ago |
| Open problem | Outer reloid of direct product of filters | porton | 0 | 15 years 15 weeks ago |
| category | knot theory, links, chessboard complex | Anonymous | 0 | 15 years 15 weeks ago |
| category | David Eppstein | Anonymous | 0 | 15 years 15 weeks ago |
| Open problem | The 4x5 chessboard complex is the complement of a link, which link? | rybu | 0 | 15 years 15 weeks ago |
| Open problem | Elementary symmetric of a sum of matrices | rscosa | 1 | 15 years 16 weeks ago |
| Open problem | Monochromatic empty triangles | mdevos | 4 | 15 years 17 weeks ago |
| Open problem | Edge-antipodal colorings of cubes | mdevos | 5 | 15 years 17 weeks ago |
| Open problem | Exponential Algorithms for Knapsack | dick lipton | 7 | 15 years 19 weeks ago |
| category | Arthur | Anonymous | 0 | 15 years 20 weeks ago |
| category | Hoffmann-Ostenhof | Anonymous | 0 | 15 years 20 weeks ago |
| category | knot theory | Anonymous | 0 | 15 years 21 weeks ago |
| category | 2-knot | Anonymous | 0 | 15 years 21 weeks ago |
| category | Gordon | Anonymous | 0 | 15 years 21 weeks ago |
| Open problem | Unsolvability of word problem for 2-knot complements | rybu | 0 | 15 years 21 weeks ago |
| category | Kratsch, Dieter | Anonymous | 0 | 15 years 24 weeks ago |
| category | Heggernes, Pinar | Anonymous | 0 | 15 years 24 weeks ago |
| Open problem | Algorithm for graph homomorphisms | jfoniok | 0 | 15 years 24 weeks ago |
| category | Fomin, Fedor V. | Anonymous | 0 | 15 years 24 weeks ago |
| Open problem | Exact colorings of graphs | Martin Erickson | 0 | 15 years 25 weeks ago |
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