3 papers
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…
math.CO2022
Self-Similar Structure of - and Biperiodic Fibonacci Words
Darby Bortz, Nicholas Cummings, Suyi Gao +4
Defining the biperiodic Fibonacci words as a class of words over the alphabet , and two specializations the Fibonacci and classical Fibonacci words, we provide a self-…