Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4597983 | Journal of Pure and Applied Algebra | 2008 | 10 Pages |
Abstract
We investigate the nef cone spanned by the diagonal and the fibre classes of second symmetric product of a curve of genus gg. This 2-dimensional nef cone gives a characterization of double covers of curves of genus ≤g−18. This is a generalization of a result by Debarre [Olivier Debarre, Seshadri constants of abelian varieties, in: The Fano Conference, Univ. Torino, Turin, 2004, pp. 379–394, Proposition 8].
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
Kungho Chan,