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arXiv:0811.0763 [math.AG]AbstractReferencesReviewsResources

Compactified Picard stacks over the moduli stack of stable curves with marked points

Margarida Melo

Published 2008-11-05Version 1

In this paper we give a construction of algebraic (Artin) stacks endowed with a modular map onto the moduli stack of n-pointed stable curves of genus g, for g greater than 2. These stacks are smooth, irreducible and have dimension 4g-3+n, yielding a geometrically meaningful compactification of the degree d universal Picard stack over the moduli stack of smooth curves with marked points.

Comments: Part of the author's Ph.D. thesis
Categories: math.AG
Subjects: 14H10, 14H40, 14H60, 14D20, 14D22
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