The trigonal construction in the ramified case
Algebraic Geometry
2019-02-04 v1
Abstract
To every double cover ramified in two points of a general trigonal curve of genus g, one can associate an \'etale double cover of a tetragonal curve of genus g+1. We show that the corresponding Prym varieties are canonically isomorphic as principally polarized abelian varieties.
Cite
@article{arxiv.1902.00251,
title = {The trigonal construction in the ramified case},
author = {Herbert Lange and Angela Ortega},
journal= {arXiv preprint arXiv:1902.00251},
year = {2019}
}
Comments
14 pages