# Generalized divisors and biliaison

@inproceedings{Hartshorne2003GeneralizedDA,
title={Generalized divisors and biliaison},
author={Robin Hartshorne},
year={2003}
}
Author(s): Hartshorne, R | Abstract: We extend the theory of generalized divisors so as to work on any scheme $X$ satisfying the condition $S_2$ of Serre. We define a generalized notion of Gorenstein biliaison for schemes in projective space. With this we give a new proof in a stronger form of the theorem of Gaeta, that standard determinantal schemes are in the Gorenstein biliaison class of a complete intersection. We also show, for schemes of codimension three in ${\mathbb P}^n$, that the… CONTINUE READING

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## The G-biliaison class of symmetric determinantal schemes

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## Twenty Points in P

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