On Sárközy-Sós Theorem related to representation functions

Jin-Hui Fang, Sándor Z. Kiss, Wei Niu +1

Let ${\mathbb{N}}_0$ be the set of all nonnegative integers. For a nonempty set $\mathcal{A}\subseteq {\mathbb{N}}_0$ and integers $n,h\ge 2$, let $r_h(\mathcal{A},n)$ be the number…