English

Real difference Galois theory

Commutative Algebra 2019-02-25 v3

Abstract

In this paper, we develop a difference Galois theory in the setting of real fields. After proving the existence and uniqueness of the real Picard-Vessiot extension, we define the real difference Galois group and prove a Galois correspondence.

Keywords

Cite

@article{arxiv.1507.02192,
  title  = {Real difference Galois theory},
  author = {Thomas Dreyfus},
  journal= {arXiv preprint arXiv:1507.02192},
  year   = {2019}
}

Comments

Final version

R2 v1 2026-06-22T10:08:06.245Z