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Explicit Noether–Lefschetz for arbitrary threefolds
Published online by Cambridge University Press: 01 September 2007
Abstract
We study the Noether–Lefschetz locus of a very ample line bundle L on an arbitrary smooth threefold Y. Building on results of Green, Voisin and Otwinowska, we give explicit bounds, depending only on the Castelnuovo–Mumford regularity properties of L, on the codimension of the components of the Noether–Lefschetz locus of |L|.
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- Research Article
- Information
- Mathematical Proceedings of the Cambridge Philosophical Society , Volume 143 , Issue 2 , September 2007 , pp. 323 - 342
- Copyright
- Copyright © Cambridge Philosophical Society 2007
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