| Maximising the Permanent of (0, 1)-Matrices and the Number of Extensions of Latin Rectangles Recent countries visiting this post |  |
 | 1 | United States |
 | 1 | Russian Federation |
| Maximising the Permanent of (0, 1)-Matrices and the Number of Extensions of Latin Rectangles Recent countries visiting this post | |
| 1 | United States |
| 1 | Russian Federation |