Extensions and rank-2 vector bundles on irreducible nodal curves
代数几何
2007-05-23 v2
摘要
We generalize Bertram's work on rank two vector bundles to an irreducible projective nodal curve C. We use extensions of a line bundle L by O_C and the associated `forgetful' map to study a compactification of the moduli space of semi-stable vector bundles of rank 2 and determinant L on C.
引用
@article{arxiv.math/0403325,
title = {Extensions and rank-2 vector bundles on irreducible nodal curves},
author = {D. Arcara},
journal= {arXiv preprint arXiv:math/0403325},
year = {2007}
}
备注
32 pages, reference [Bho04] added, a few typos corrected