English

Trace map and regularity of finite extensions of a DVR

Commutative Algebra 2017-01-30 v2 Algebraic Geometry

Abstract

We interpret the regularity of a finite and flat extension of a discrete valuation ring in terms of the trace map of the extension.

Keywords

Cite

@article{arxiv.1506.04264,
  title  = {Trace map and regularity of finite extensions of a DVR},
  author = {Fabio Tonini},
  journal= {arXiv preprint arXiv:1506.04264},
  year   = {2017}
}

Comments

9 pages, final version