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
来源：
RENDICONTI LINCEI-MATEMATICA E APPLICAZIONI | 2012年 / 23卷 / 03期
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.
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页码：319 / 323
页数：5
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