Generating Residual Intersections of Determinantal Ideals
Abstract
If I is a perfect ideal in a local Cohen-Macaulay ring, the generators of ideals linked to I are well understood. However, the generators of the residual intersections of I have only been computed in a few special cases. In this paper, we show that the n-residual intersections of determinantal ideals of generic 2× n matrices are sums of links.
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