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math.AG2001
A bound on the irregularity of abelian scrolls in projective space
Ciro Ciliberto, Klaus Hulek
We prove that the irregularity of a smooth abelian scroll whose dimension is at least half of that of the surrounding projective space is bounded by 2. In addition we discuss some…
math.AG2001
Degenerations of Prym varieties
V. Alexeev, Ch. Birkenhake, K. Hulek
Let be a stable curve with an involution. Following a classical construction one can define its Prym variety , which in this case turns out to be a semiabelian group var…