Manoj Kumar

Let $R$ be an integral domain and let $A$ be a finitely generated free abelian group. An elliptic net is a map $W \colon A\longrightarrow R$ with $W(0)=0$, and such that for all $p,q,r,s \in A$, \begin{multline*} W(p+q+s) \, W(p-q) \, W(r+s) \, W(r)\...