Threefolds with nef anticanonical bundles

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We prove that the Albanese map of a smooth projective threefold, whose anticanonical bundle is nef, is a surjective submersion. We also investigate morphisms of threefolds to curves and surfaces whose relative anticanonical bundle are nef.
plainTex, 47 pages, change in the introduction, paper will be appear in Collectanea mathematica 49, volume in honour of F.Serrano

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Algebraic Geometry, Complex Variables

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http://salesiana.dossiersoluciones.com/handle/123456789/76574

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9802024
 http://arxiv.org/abs/math/9802024

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arXiv