2 papers
math.RA2020
Object-unital groupoid graded rings, crossed products and separability
Juan Cala, Patrik Nystedt, Héctor Pinedo
We extend the classical construction by Noether of crossed product algebras, defined by finite Galois field extensions, to cover the case of separable (but not necessarily finite o…
math.RA2019
Object-unital groupoid graded modules
Juan Cala, Patrik Lundström, Héctor Pinedo
In a previous article (see \cite{CNP}), we introduced and analyzed ring-theoretic properties of object unital -graded rings , where is a groupoid. In…