Su Gao

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math.CO2025

Borel Combinatorics of Schreier Graphs of $Z$ -actions

Su Gao, Yingying Jiang, Tianhao Wang

In this paper we consider the Borel combinatorics of Schreier graphs of $Z$ -actions with arbitrary finite generating sets. We formulate the Borel combinatorics in terms of…

math.CO2022

Self-Similar Structure of $k$ - and Biperiodic Fibonacci Words

Darby Bortz, Nicholas Cummings, Suyi Gao +4

Defining the biperiodic Fibonacci words as a class of words over the alphabet ${0, 1}$ , and two specializations the $k -$ Fibonacci and classical Fibonacci words, we provide a self-…

Borel Combinatorics of Schreier Graphs of Z-actions

Self-Similar Structure of k- and Biperiodic Fibonacci Words

Borel Combinatorics of Schreier Graphs of $Z$ -actions

Self-Similar Structure of $k$ - and Biperiodic Fibonacci Words