A reciprocity on finite abelian groups involving zero-sum sequences II

Mao-Sheng Li, Hanbin Zhang

Let $G$ be a finite abelian group. For any positive integers $d$ and $m$, let ${\phi }_G(d)$ be the number of elements in $G$ of order $d$ and $\mathsf{M}(G,m)$ be the set of all zero-sum…