Rees algebras of modules and coherent functors
Commutative Algebra
2016-11-04 v2 Algebraic Geometry
Abstract
We show that several properties of the theory of Rees algebras of modules become more transparent using the category of coherent functors rather than working directly with modules. In particular, we show that the Rees algebra is induced by a canonical map of coherent functors.
Cite
@article{arxiv.1409.6464,
title = {Rees algebras of modules and coherent functors},
author = {Gustav Sædén Ståhl},
journal= {arXiv preprint arXiv:1409.6464},
year = {2016}
}
Comments
15 pages. This is an extended part of an old version of arXiv:1402.3219 - v2: Clarified some statements and made minor notation changes