Automorphisms of Categories of Free Modules, Free Semimodules, and Free Lie Modules

Yefim Katsov, Ruvim Lipyanski, Boris Plotkin

In algebraic geometry over a variety of universal algebras $\Theta$, the group $Aut({\Theta }^0)$ of automorphisms of the category ${\Theta }^0$ of finitely generated free algebras of $\Theta$ is of gre…