Basics of Elimination

We consider a noetherian (positively) graded ring C = ⊕ m ≥ 0 C m . https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9780429064265/c3969f1f-00ca-4e1d-a8e4-12dce1f567fb/content/unequ10_81_1.tif"/>