Displaying similar documents to “Projectivity and flatness over the colour endomorphism ring of a finitely generated graded comodule.”

Weak dimension of group-graded rings.

Angel del Río (1990)

Publicacions Matemàtiques

Similarity:

We study the weak dimension of a group-graded ring using methods developed in [B1], [Q] and [R]. We prove that if R is a G-graded ring with G locally finite and the order of every subgroup of G is invertible in R, then the graded weak dimension of R is equal to the ungraded one.