Random triples
| Subject | Object |
|---|---|
| gptkb:Suslin's_problem | 1920 |
| gptkb:Kakeya_problem | 1917 |
| gptkb:Skolem_problem | 1934 |
| gptkb:Littlewood's_problem | 1945 |
| gptkb:Zariski's_cancellation_problem | 1949 |
| gptkb:Luzin_problem | 1914 |
| gptkb:Ulam's_searching_problem | 1976 |
| gptkb:Sierpinski_problem | 1960 |