ABSTRACT

We consider a noetherian (positively) graded ring C = ⊕ m ≥ 0 C m . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429064265/27e88de8-b4c2-47de-a1e8-3cf9bc1ec436/content/unequ10_81_1.tif"/>