Ideals with Larger Projective Dimension and Regularity

Details Ideals with Larger Projective Dimension and Regularity Ideals with Larger Projective Dimension and Regularity

2011-01-18

arxiv.org/abs/1101.3368v1

Mathematics

Commutative Algebra

10 pages. This work was completed at the MRC for Commutative Algebra in Snowbird, UT, which was generously supported by the AM

Scientific paper

We define a family of homogeneous ideals with large projective dimension and regularity relative to the number of generators and their common degree. This family subsumes and improves upon constructions given in [Cav04] and [McC]. In particular, we describe a family of three-generated homogeneous ideals in arbitrary characteristic whose projective dimension grows asymptotically as sqrt{d}^(sqrt(d) - 1).

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