Moduli spaces of bundles and Hilbert schemes of scrolls over $$\nu $$ -gonal curves
Tóm tắt
The aim of this paper is twofold. We first strongly improve our previous main result Choi et al. (Proc Am Math Soc 146(8):3233–3248, 2018, Theorem 3.1), concerning classification of irreducible components of the Brill–Noether locus parametrizing rank 2 semistable vector bundles of suitable degrees d, with at least
$$d-2g+4$$
independent global sections, on a general
$$\nu $$
-gonal curve C of genus g. We then uses this classification to study several properties of the Hilbert scheme of suitable surface scrolls in projective space, which turn out to be special and stable.
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