Science
Unsolved Problems in Mathematics
Famous unsolved problems in mathematics.
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List↕ | Number ofproblems↕ | Number unsolved or incompletely solved↕ | Proposed by↕ | Proposedin↕ |
|---|---|---|---|---|
| Hilbert's problems | 23 | 13 | David Hilbert | 1,900 |
| Landau's problems | 4 | 4 | Edmund Landau | 1,912 |
| Taniyama's problems | 36 | – | Yutaka Taniyama | 1,955 |
| Thurston's 24 questions | 24 | 2 | William Thurston | 1,982 |
| Smale's problems | 18 | 14 | Stephen Smale | 1,998 |
| Millennium Prize Problems | 7 | 6 | Clay Mathematics Institute | 2,000 |
| Simon problems | 15 | < 12 | Barry Simon | 2,000 |
| DARPA's math challenges | 23 | – | DARPA | 2,007 |
| Erdős's problems | > 1179 | 691 | Paul Erdős | Over six decades of Erdős' career, from the 1930s to 1990s |
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