Criteria for very ampleness of rank two vector bundles over ruled surfaces

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Very ampleness criteria for rank 2 vector bundles over smooth, ruled surfaces over rational and elliptic curves are given. The criteria are then used to settle open existence questions for some special threefolds of low degree.
24 pages. to appear in Canadian Journal of Mathematics

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Algebraic Geometry, 14E05;14J30

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http://salesiana.dossiersoluciones.com/handle/123456789/220989

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0902.3639
 http://arxiv.org/abs/0902.3639

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arXiv