On the first Gaussian map for Prym-canonical line bundles
Algebraic Geometry
2013-06-26 v2
Abstract
We prove by degeneration to Prym-canonical binary curves that the first Gaussian map of the Prym canonical line bundle is surjective for the general point [C,A] of R_g if g >11, while it is injective if g < 12.
Cite
@article{arxiv.1210.7598,
title = {On the first Gaussian map for Prym-canonical line bundles},
author = {Caterina Barchielli and Paola Frediani},
journal= {arXiv preprint arXiv:1210.7598},
year = {2013}
}
Comments
To appear in Geometriae Dedicata. arXiv admin note: text overlap with arXiv:1105.4472