Rectangular Heffter arrays: a reduction theorem

Fiorenza Morini, Marco Antonio Pellegrini

Let $m,n,s,k$ be four integers such that $3\le s\le n$, $3\le k\le m$ and $ms=nk$. Set $d=\gcd (s,k)$. In this paper we show how one can construct a Heffter array $H(m,n;s,k)$…