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arXiv:math/0410120 [math.AG]AbstractReferencesReviewsResources

Geometry on nodal curves II: cycle map and intersection calculus

Ziv Ran

Published 2004-10-05Version 1

We study the relative Hilbert scheme of a family of nodal (or smooth) curves via its (birational) cycle map, going to the relative symmetric product. We show the cycle map is the blowing up of the discriminant locus, which consists of cycles with multiple points. We derive an intersection calculus for Chern classes of tautological bundles on the relative Hilbert scheme, which has applications to enumerative geometry.

Comments: 32 pages amstex
Categories: math.AG
Subjects: 14N10, 14C05
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