Graded change of ring
Commutative Algebra
2020-09-15 v1 Rings and Algebras
Abstract
We investigate scalar restriction, scalar extension, and scalar coextension functors for graded modules, including their interplay with coarsening functors, graded tensor products, and graded Hom functors. This leads to several characterisations of epimorphisms of graded rings.
Cite
@article{arxiv.1902.08611,
title = {Graded change of ring},
author = {Fred Rohrer},
journal= {arXiv preprint arXiv:1902.08611},
year = {2020}
}
Comments
To appear in Quaestiones Mathematicae