English

A note on factorial $\mathbb{A}^1$-forms with retractions

Commutative Algebra 2020-02-07 v1

Abstract

Let kk be a field. In this paper we will show that any factorial A1\mathbb{A}^1-form AA over any kk-algebra RR is trivial, if AA has a retraction to RR.

Cite

@article{arxiv.2002.02124,
  title  = {A note on factorial $\mathbb{A}^1$-forms with retractions},
  author = {Prosenjit Das},
  journal= {arXiv preprint arXiv:2002.02124},
  year   = {2020}
}

Comments

4 pages

R2 v1 2026-06-23T13:32:43.282Z