On Additive Combinatorics of Permutations of \mathbb{Z}_n

L. Sunil Chandran, Deepak Rajendraprasad, Nitin Singh

Let ${\mathbb{Z}}_n$ denote the ring of integers modulo $n$. In this paper we consider two extremal problems on permutations of ${\mathbb{Z}}_n$, namely, the maximum size of a collecti…