Remarks on Ein-Lazarsfeld criterion of spannedness of adjoint bundles of polarized threefolds

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dc.creatorFujita, Takao
dc.date1993-11-30
dc.date.accessioned2026-07-07T09:05:57Z
dc.date.available2026-07-07T09:05:57Z
dc.descriptionLet B be a nef and big line bundle on a smooth complex threefold X with canonical bundle K. Let x be a point on X and suppose that BC\ge3 for any curve C passing x, B^2S\ge7 for any surface S containing x, and B^3\ge51. Then K+B is spanned at x. (Ein-Lazarsfeld proved the assertion assuming B^3\ge92.) Corollary: K+3L is spanned if L is an ample line bundle with L^3>1.
dc.description23 pages, amstex
dc.identifierhttps://arxiv.org/abs/alg-geom/9311013
dc.identifierhttp://arxiv.org/abs/alg-geom/9311013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/149851
dc.subjectAlgebraic Geometry
dc.titleRemarks on Ein-Lazarsfeld criterion of spannedness of adjoint bundles of polarized threefolds
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