English

Separating domains from algebraic domains

General Topology 2025-04-09 v2 Logic in Computer Science

Abstract

We prove that every domain that fails to be algebraic admits the unit interval [0,1][0, 1] as its Scott-continuous retract. As a result, every countable domain is algebraic.

Cite

@article{arxiv.2504.04189,
  title  = {Separating domains from algebraic domains},
  author = {Xiaodong Jia and Qingguo Li and Wei Luan},
  journal= {arXiv preprint arXiv:2504.04189},
  year   = {2025}
}
R2 v1 2026-06-28T22:48:08.244Z