Multigraded regularity and the Koszul property

Abstract

We give a criterion for the section ring of an ample line bundle to be Koszul in terms of multigraded regularity. We discuss an application to polytopal semigroup rings.

8 pages

References in corpus (2)

• Syzygies, multigraded regularity and toric varieties
• Koszul Property and Frobenius Splitting of Schubert Varieties

Cited by in corpus (1)

• Some Koszul Rings from Geometry