Multiplication Groups of Abelian Torsion-Free Groups of Finite Rank

Ekaterina Kompantseva, Askar Tuganbaev

For an Abelian group $G$, any homomorphism $\mu :G\otimes G\to G$ is called a \textsf{multiplication} on $G$. The set $\text{Mult}G$ of all multiplications on an Abeli…