Submodules of the Deficiency Module
In this chapter we will define certain submodules of the first deficiency module of a closed subscheme Z of ℙ n , and see how they give a more refined measure of the failure of the ideal of Z to have certain nice properties. We then describe some applications of these submodules from the literature.
KeywordsExact Sequence Complete Intersection Minimal Generator Quadric Surface Closed Subscheme
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