Normal Gorenstein surfaces with ample anti-canonical divisor. (English) Zbl 0496.14023
MSC:
| 14J10 | Families, moduli, classification: algebraic theory |
| 14C20 | Divisors, linear systems, invertible sheaves |
| 14M05 | Varieties defined by ring conditions (factorial, Cohen-Macaulay, seminormal) |
| 14C22 | Picard groups |
| 14J17 | Singularities of surfaces or higher-dimensional varieties |
