English

An intrinsic definition of the Rees algebra of a module

Commutative Algebra 2014-09-24 v2 Algebraic Geometry

Abstract

This paper concerns a generalization of the Rees algebra of ideals due to Eisenbud, Huneke and Ulrich that works for any finitely generated module over a noetherian ring. Their definition is in terms of maps to free modules. We give an intrinsic definition using divided powers.

Keywords

Cite

@article{arxiv.1402.3219,
  title  = {An intrinsic definition of the Rees algebra of a module},
  author = {Gustav Sædén Ståhl},
  journal= {arXiv preprint arXiv:1402.3219},
  year   = {2014}
}

Comments

16 pages. Moved sections on coherent functors to the new article "Rees algebras of modules and coherent functors"