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Pré-Publication, Document De Travail Année : 2003

Liaison of varieties of small dimension and deficiency modules

Marc Chardin

Résumé

This article studies the behaviour under liaison of the deficiency modules of schemes that are not assumed to be Cohen-Macaulay. Our study uses in particular a generalization of Serre duality, and gives a satisfactory description of this behaviour in dimension at most three. On the way we show other properties of linked schemes.

Dates et versions

hal-00137100 , version 1 (16-03-2007)

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Marc Chardin. Liaison of varieties of small dimension and deficiency modules. 2003. ⟨hal-00137100⟩
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