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| Type | Title | Author | Replies | Last Post |
|---|---|---|---|---|
| Open problem | Distributivity of inward reloid over composition of funcoids | porton | 0 | 13 years 50 weeks ago |
| Open problem | Star height problem | porton | 1 | 13 years 51 weeks ago |
| forum topic | A problem list at MathOverflow | porton | 0 | 13 years 51 weeks ago |
| forum topic | One more source of open problems in analysis | porton | 0 | 13 years 51 weeks ago |
| forum topic | Open Problems in Continuum Theory | porton | 0 | 13 years 51 weeks ago |
| category | regular languages | Anonymous | 0 | 13 years 51 weeks ago |
| category | regular expressions | Anonymous | 0 | 13 years 51 weeks ago |
| category | Kleene stars | Anonymous | 0 | 13 years 51 weeks ago |
| category | Lawrence Eggan C. | Anonymous | 0 | 13 years 51 weeks ago |
| category | formal language | Anonymous | 0 | 13 years 51 weeks ago |
| forum topic | Open Problems in Mathematical Systems and Control Theory | porton | 0 | 13 years 51 weeks ago |
| Open problem | Odd cycles and low oddness | Gagik | 4 | 14 years 1 week ago |
| Open problem | Odd perfect numbers | azi | 1 | 14 years 2 weeks ago |
| Open problem | Matching cut and girth | w | 0 | 14 years 3 weeks ago |
| category | matching cut, matching, cut | Anonymous | 0 | 14 years 3 weeks ago |
| forum topic | Question about 'solving' something | niekeaerts | 3 | 14 years 4 weeks ago |
| Open problem | Strong 5-cycle double cover conjecture | arthur | 8 | 14 years 4 weeks ago |
| Open problem | Petersen coloring conjecture | mdevos | 2 | 14 years 4 weeks ago |
| Open problem | Characterizing (aleph_0,aleph_1)-graphs | mdevos | 2 | 14 years 4 weeks ago |
| Open problem | The Berge-Fulkerson conjecture | mdevos | 9 | 14 years 4 weeks ago |
| category | graph drawing | Anonymous | 0 | 14 years 4 weeks ago |
| category | Koch, Christina | Anonymous | 0 | 14 years 4 weeks ago |
| category | Laison, Joshua D. | Anonymous | 0 | 14 years 4 weeks ago |
| category | obstacle number | Anonymous | 0 | 14 years 4 weeks ago |
| category | Alpert, Hanna | Anonymous | 0 | 14 years 4 weeks ago |
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