English

Disjointness with all minimal systems under group actions

Dynamical Systems 2024-08-12 v3

Abstract

Let GG be a countable discrete group. We give a necessary and sufficient condition for a transitive GG-system to be disjoint with all minimal GG-systems, which implies that if a transitive GG-system is disjoint with all minimal GG-systems, then it is \infty-transitive, i.e. (Xk,G)(X^k,G) is transitive for all kNk\in\N, and has dense minimal points. In addition, we show that any \infty-transitive GG-system with dense distal points are disjoint with all minimal GG-systems.

Keywords

Cite

@article{arxiv.2212.07830,
  title  = {Disjointness with all minimal systems under group actions},
  author = {Hui Xu and Xiangdong Ye},
  journal= {arXiv preprint arXiv:2212.07830},
  year   = {2024}
}

Comments

33pages

R2 v1 2026-06-28T07:36:30.444Z