Valeria Ornella Marcucci, Gian Pietro Pirola
Published 2012-02-07Version 1
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.
Cubic threefolds and abelian varieties of dimension five
The primitive cohomology of theta divisors
Unique factorization of principally polarized abelian varieties
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