56th International Mathematical Olympiad Shortlisted Problems
11 problems here, rated 8.2 to 9.2 on our scale (Shortlist to IMO level). 11 of them ask for a proof.
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Geometry | 8.2 | proof | — | open |
| 2 | Algebra | 8.4 | proof | — | open |
| 3 | Combinatorics | 8.6 | proof | — | open |
| 4 | Geometry | 8.7 | proof | — | open |
| 5 | Geometry | 8.7 | proof | — | open |
| 6 | Number theory | 9.0 | proof | — | open |
| 7 | Number theory | 9.0 | proof | — | open |
| 8 | Number theory | 9.0 | proof | — | open |
| 9 | Algebra | 9.0 | proof | — | open |
| 10 | Algebra | 9.0 | proof | — | open |
| 11 | Combinatorics | 9.2 | proof | — | open |
These are in difficulty order within this competition, but they are not a course.
The track is the ordered route, drawn from across all the sources.