Ascent properties for derived functors
Commutative Algebra
2013-02-19 v1
Abstract
Given a flat local ring homomorphism R\to S, and two finitely generated R-modules M and N, we describe conditions under which the modules Tor^i(M,N) and Ext^i(M,N) have S-module structures that are compatible with their R-module structures.
Cite
@article{arxiv.1302.4151,
title = {Ascent properties for derived functors},
author = {Sean Sather-Wagstaff},
journal= {arXiv preprint arXiv:1302.4151},
year = {2013}
}
Comments
6 pages