Integral Picard group of moduli of polarized K3 surfaces

被引:1
作者
Di Lorenzo, Andrea [1 ]
Fringuelli, Roberto [2 ]
Vistoli, Angelo [3 ]
机构
[1] Humboldt Univ, Berlin, Germany
[2] Univ Roma La Sapienza, Rome, Italy
[3] Scuola Normale Super Pisa, Pisa, Italy
关键词
SPACES;
D O I
10.1112/blms.12968
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We compute the integral Picard group of the moduli stack of polarized K3 surfaces of fixed degree whose singularities are at most rational double points, and of its coarse moduli space. We also compute the integral Picard group of the stack of quasi-polarized K3 surfaces, and of the stacky period domain.
引用
收藏
页码:833 / 846
页数:14
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