Anticanonical modules of Segre products
arXiv:1707.00305
Abstract
We compute the anticanonical module of the Segre product of standard graded -algebras and determine its depth.
14 pages. v2: strengthens the requirements for Theorem 1.6, changed Example 1.2 and added Remark 2.2, fixed some misprints. Comments are welcome! To appear in the Bull. Math. Soc. Sci. Math. Roumanie, special issue honoring Dorin Popescu