On the Davenport constant and on the structure of extremal zero-sum free sequences

Alfred Geroldinger, Manfred Liebmann, Andreas Philipp

Let $G=C_{n_1}\oplus ...\oplus C_{n_r}$ with $1 < n_1 \t ... \t n_r$ be a finite abelian group, ${\mathsf{d}}^{\ast }(G)=n_1+...+n_r-r$, and let $\mathsf{d}(G)$ denote the maxi…