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.
arXiv comment14 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