| SU(2) and SU(1, 1) Approaches to Phase Operators and Temporally Stable Phase States: Applications to Mutually Unbiased Bases and Recent countries visiting this post |  |
 | 4 | United States |
 | 1 | Russian Federation |
| SU(2) and SU(1, 1) Approaches to Phase Operators and Temporally Stable Phase States: Applications to Mutually Unbiased Bases and Recent countries visiting this post | |
| 4 | United States |
| 1 | Russian Federation |