The Dedekind-Mertens formula and determinantal rings

Author:

Bruns Winfried,Guerrieri Anna

Abstract

We give a combinatorial proof of the Dedekind–Mertens formula by computing the initial ideal of the content ideal of the product of two generic polynomials. As a side effect we obtain a complete classification of the rank 1 1 Cohen–Macaulay modules over the determinantal rings K [ X ] / I 2 ( X ) K[X]/I_2(X) .

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference11 articles.

1. D. Bayer and M. Stillman. Macaulay: a system for computation in algebraic geometry and commutative algebra. Available by anonymous ftp from zariski.harvard.edu.

2. G. Boffi, W. Bruns, and A. Guerrieri. On the jacobian ideal of a trilinear form. Preprint.

3. Cambridge Studies in Advanced Mathematics;Bruns, Winfried,1993

4. Lecture Notes in Mathematics;Bruns, Winfried,1988

5. On the Hilbert function of determinantal rings and their canonical module;Conca, Aldo;Proc. Amer. Math. Soc.,1994

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