Second order theta divisors on Pryms
Abstract
Description
Van Geemen and van der Geer, Donagi, Beauville and Debarre proposed characterizations of the locus of jacobians which use the linear system of $2Θ$-divisors. We give new evidence for these conjectures in the case of Prym varieties.
AMS-Latex, 11 pages, the exposition has been modified, Proposition 5 has been modified
AMS-Latex, 11 pages, the exposition has been modified, Proposition 5 has been modified