Threefolds with nef anticanonical bundles

Details Threefolds with nef anticanonical bundles Threefolds with nef anticanonical bundles

1998-02-05

arxiv.org/abs/math/9802024v2

Mathematics

Algebraic Geometry

plainTex, 47 pages, change in the introduction, paper will be appear in Collectanea mathematica 49, volume in honour of F.Serr

Scientific paper

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.

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