A covariant functor from the category of the complex tori to the category
of the Effros-Shen algebras is constructed. The functor maps isomorphic
complex tori to the stably isomorphic Effros-Shen algebras.
Our construction is based on the Teichmüller theory of
the Riemann surfaces.
Partially supported by NSERC
Fields Institute for Mathematical Sciences, Toronto, ON, Canada firstname.lastname@example.org Current Address: 101-315 Holmwood Ave., Ottawa, ON, Canada, K1S 2R2