Xiaoyu He

collaborators

2 papers

math.PR2024

The Reverse Littlewood--Offord problem of Erdős

Xiaoyu He, Tomas Juskevicius, Bhargav Narayanan +1

Let $ε_{1}, \dots, ε_{n}$ be a sequence of independent Rademacher random variables. We prove that there is a constant $c > 0$ such that for any unit vectors $v_1,\ldots,v_n\in \mathbb…

math.CO2021

Shuffle Squares and Reverse Shuffle Squares

Xiaoyu He, Emily Huang, Ihyun Nam +1

Let $SS_{k} (n)$ be the family of {\it shuffle squares} in $[k]^{2 n}$ , words that can be partitioned into two disjoint identical subsequences. Let $R SS_{k} (n)$ be th…