| An n-Dimensional Generalization of the Rhombus Tiling Recent countries visiting this post |  |
 | 3 | Russian Federation |
 | 2 | United States |
 | 1 | China |
 | 1 | Mexico |
| An n-Dimensional Generalization of the Rhombus Tiling Recent countries visiting this post | |
| 3 | Russian Federation |
| 2 | United States |
| 1 | China |
| 1 | Mexico |