Points of order two on theta divisors

被引:5
|
作者
Marcucci, Valeria Ornella [1 ]
Pirola, Gian Pietro [1 ]
机构
[1] Univ Pavia, Dipartimento Matemat F Casorati, I-27100 Pavia, Italy
关键词
Abelian variety; theta divisor; torsion points;
D O I
10.4171/RLM/630
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We give a bound on the number of points of order two on the theta divisor of a principally polarized abelian variety A. When A is the Jacobian of a curve C the result can be applied in estimating the number of effective square roots of a fixed line bundle on C.
引用
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页码:319 / 323
页数:5
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