The restricted sumsets in ${\mathbb{Z}}_n$

Min Tang, Meng-Ting Wei

Let $h\ge 2$ be a positive integer. For any subset $\mathcal{A}\subset {\mathbb{Z}}_n$, let $h^{\wedge }\mathcal{A}$ be the set of the elements of ${\mathbb{Z}}_n$ which are sums of $h…