On Pseudo-Effectivity of the Second Chern Classes for Smooth Threefolds

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We prove that for smooth projective threefolds whose anticanonical divisors are nef, the second Chern classes are pseudo-effective under a weak assumption. As an application, the pseudo-effectivity of the second Chern classes implies that Kawamata's Effective Non-vanishing Conjecture holds for such threefolds.
18 pages

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Algebraic Geometry, 14C17; 14E30; 14J30

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http://salesiana.dossiersoluciones.com/handle/123456789/70182

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0402251
 http://arxiv.org/abs/math/0402251

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arXiv