Doubly-weighted zero-sum constants

Krishnendu Paul, Shameek Paul

Let $A,B\subseteq {\mathbb{Z}}_n$ be given and $S=(x_1,\dots ,x_k)$ be a sequence in ${\mathbb{Z}}_n$. We say that $S$ is an $(A,B)$-weighted zero-sum sequence if there exist $a_1,\ldots…