Assignment 7, 28.10.2024,  K3 surfaces, Misha Verbitsky 
                            | 1 | 2a| 2b| 2c| 3 | 4 | 5 | 6*| sum
Bruno Suassuna              | + | + | + | + | + |   |   |   | 5
Daniel G. C. Azuela         | + | -+| + | - |   | +-| + |   | 4
Ivan Frolov                 | + | + | + | + | + | + | + |   | 7
Yulia Gorginyan             |   |   |   |   |   |   |   |   |