English

Existentially closed fields with G-derivations

Logic 2019-05-24 v3

Abstract

We prove that the theories of fields with Hasse-Schmidt derivations corresponding to actions of formal groups admit model companions. We also give geometric axiomatizations of these model companions.

Keywords

Cite

@article{arxiv.1404.7475,
  title  = {Existentially closed fields with G-derivations},
  author = {Daniel Hoffmann and Piotr Kowalski},
  journal= {arXiv preprint arXiv:1404.7475},
  year   = {2019}
}

Comments

In version 2: new proof of (the current) Proposition 3.34

R2 v1 2026-06-22T04:02:13.452Z