On the slope of fourgonal semistable fibrations
Algebraic Geometry
2017-06-06 v4
Abstract
We bound the slope of sweeping curves in the fourgonal locus of the moduli space of genus g algebraic curves. Our results follow from some Bogomolov-type inequalities for weakly positive rank two vector bundles on ruled surfaces.
Keywords
Cite
@article{arxiv.1209.3571,
title = {On the slope of fourgonal semistable fibrations},
author = {Valentina Beorchia and Francesco Zucconi},
journal= {arXiv preprint arXiv:1209.3571},
year = {2017}
}
Comments
Change in the title; accepted for publication in Mathematical Research Letters