Moduli of roots of line bundles on curves

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We treat the problem of completing the moduli space for roots of line bundles on curves. Special attention is devoted to higher spin curves within the universal Picard scheme. Two new different constructions, both using line bundles on nodal curves as boundary points, are carried out and compared with pre-existing ones.
Final version, added references. To appear in Trans. Amer. Math. Soc

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Algebraic Geometry, 14H10, 14H60; 14K30

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http://salesiana.dossiersoluciones.com/handle/123456789/124280

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0404078
 http://arxiv.org/abs/math/0404078

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arXiv