English

Iterated polynomials are dense

Algebraic Geometry 2025-11-27 v1

Abstract

For any infinite field k and any positive integer r, we show constructively that the map sending each polynomial P \in k[x] to its r-th iterate is dominant in various inductive limit topologies on the space of all polynomials.

Keywords

Cite

@article{arxiv.2511.21241,
  title  = {Iterated polynomials are dense},
  author = {Pascal Autissier and Jean-Philippe Furter and Egor Yasinsky},
  journal= {arXiv preprint arXiv:2511.21241},
  year   = {2025}
}
R2 v1 2026-07-01T07:55:55.722Z