Maximal Cohen-Macaulay Modules over the Affine Cone of the Simple Node
classification
🧮 math.AC
math.AG
keywords
modulesaffinecohen-macaulayconemaximalnodesimplealghoritm
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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.
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