%0 Journal Article
%T Trimming a Gorenstein ideal
%A Lars Winther Christensen
%A Oana Veliche
%A Jerzy Weyman
%J Mathematics
%D 2015
%I arXiv
%X Let Q be a regular local ring of dimension 3. We show how to trim a Gorenstein ideal in Q to obtain an ideal that defines a quotient ring that is close to Gorenstein in the sense that its Koszul homology algebra is a Poincare duality algebra P padded with a non-zero graded vector space on which P_{\ge 1} acts trivially. We explicitly construct an infinite family of such rings.
%U http://arxiv.org/abs/1512.02720v1