Subalgebras of bigraded Koszul algebras
Commutative Algebra
2007-05-23 v2
Abstract
We show that diagonal subalgebras and generalized Veronese subrings of a bigraded Koszul algebra are Koszul. We give upper bounds for the regularity of sidediagonal and relative Veronese modules and apply the results to symmetric algebras and Rees rings.
Keywords
Cite
@article{arxiv.math/0011251,
title = {Subalgebras of bigraded Koszul algebras},
author = {Stefan Blum},
journal= {arXiv preprint arXiv:math/0011251},
year = {2007}
}
Comments
13 pages