English

Second order theta divisors on Pryms

alg-geom 2008-02-03 v3 Algebraic Geometry

Abstract

Van Geemen and van der Geer, Donagi, Beauville and Debarre proposed characterizations of the locus of jacobians which use the linear system of 2Θ2\Theta-divisors. We give new evidence for these conjectures in the case of Prym varieties.

Cite

@article{arxiv.alg-geom/9704020,
  title  = {Second order theta divisors on Pryms},
  author = {E. Izadi},
  journal= {arXiv preprint arXiv:alg-geom/9704020},
  year   = {2008}
}

Comments

AMS-Latex, 11 pages, the exposition has been modified, Proposition 5 has been modified