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math.DS2026
On the denseness of distal points
Su Gao, Hanfeng Li, Ruiwen Li
We give an answer to a question of Xu and Ye (Disjointness with all minimal systems under group actions, to appear in Israel J. Math., arxiv:2212.07830) on the denseness of distal…
math.DS2026
Orbit equivalence of Cantor minimal systems
Su Gao, Ruiwen Li, Yiming Sun
In this paper we study the descriptive complexity of the topological orbit equvalence relation for some Borel classes of Cantor minimal systems. Specifically, we study the Borel cl…