Maximal Cohen-Macaulay Modules over the Affine Cone of the Simple Node

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A concrete description of all graded maximal Cohen-Macaulay modules of rank one and two over the affine cone of the simple node (a non-isolated singularity) is given. For this purpose we construct an alghoritm that provides extensions of MCM modules over an arbitrary hypersurface.
39 pages

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Commutative Algebra, Algebraic Geometry, 13C14, 13H10,14H60, 14H45

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http://salesiana.dossiersoluciones.com/handle/123456789/104948

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0511405
 http://arxiv.org/abs/math/0511405

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arXiv