Geometric characterization of flat modules
classification
🧮 math.AG
math.AC
keywords
flatmoduleaffinealgebraicvarietiescharacterizationcommutativedirect
read the original abstract
Let $R$ be a commutative ring. Roughly speaking, we prove that an $R$-module $M$ is flat iff it is a direct limit of $R$-module affine algebraic varieties, and $M$ is a flat Mittag-Leffler module iff it is the union of its $R$-submodule affine algebraic varieties.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.