2005/10/12 by Sonia Brivio, Alessandro Verra, Brivio, Sonia +1
Mathematics · #14H60 #Algebraic Geometry (math.AG) #FOS: Mathematics #math.AG #msc:14H60
paper · pdf · doi:10.48550/arxiv.math/0510256
to appear on Proceedings of the Workshop Algebraic Cycles and Motives, Leiden - August, 30 - September 3, 2004
arxiv created 2005/10/12 · arxiv updated 2009/12/01
Let U(r) be the moduli space of rank r vector bundles with trivial determinant on a smooth curve of genus 2. The map thetar: U(r) -> |r Theta|, which associates to a general bundle its theta divisor, is generically finite. In this paper we give a geometric interpretation of the generic fibre of thetar.