symmetric monoidal (∞,1)-category of spectra
(also nonabelian homological algebra)
Context
Basic definitions
Stable homotopy theory notions
Constructions
Lemmas
Homology theories
Theorems
Let be a commutative ring. (or maybe any ring?)
(Lazard’s criterion)
An -module is a flat module precisely if it is a filtered colimit of free modules.
This is due to (Lazard (1964)). See at flat module for more.
Last revised on November 3, 2015 at 11:39:18. See the history of this page for a list of all contributions to it.