The Balance of Tor.
The -topology is not completable
The -topology on abelian -groups
The construction of -solvable Abelian groups
The Functor Bext under the Negation of CH.
The idempotent lifting theorem for almost completely decomposable abelian groups
The size of an annihilator in a factorization.
The splitting length of mixed Abelian groups of rank one
The splitting of the tensor product of two mixed abelian groups of rank one
Two problems on varieties of groups generated by wreath products.