3 papers
math.LO2026
On regulated partitions
Su Gao, Steve Jackson
This paper considers the combinatorics of continuous and Borel rectangular partitions of free actions of on -dimensional Polish spaces, specifically the free part…
math.CO2025
Borel Combinatorics of Schreier Graphs of -actions
Su Gao, Yingying Jiang, Tianhao Wang
In this paper we consider the Borel combinatorics of Schreier graphs of -actions with arbitrary finite generating sets. We formulate the Borel combinatorics in terms of…
math.LO2025
Strong marker sets and applications
Su Gao, Tianhao Wang
We prove the existence of clopen marker sets with some strong regularity property. For each and any integer , we show that there are a positive integer and a…