Mackey functors on compact closed categories.
More on five commutator identities.
Neue Grundlagen der Gruppen- und Substitutionentheorie.
Non-amenable finitely presented torsion-by-cyclic groups
Note on a question of Reinhold Baer on pregroups
Note on a Question of Reinhold Baer on Pregroups II
Note on generalizing pregroups.
On a generalization of Fermat's theorem in the theory of groups
On a generalization of Fermat's theorem in the theory of groups.
On a hierarchy of groups of computable automorphisms.
On Cartesian Powers of a Rational Group.
On constructive nilpotent groups.
On divisibility in definable groups
Let ℳ be an o-minimal expansion of a real closed field. It is known that a definably connected abelian group is divisible. We show that a definably compact definably connected group is divisible.
On factor coverings of groups
On groups in which idempotent reducts form a chain
On Hall's Third Definition of Group.
On homomorphisms of fuzzy groups.
On Some Classes Of Unrecognizable Properties Of Groups
On some classes of unrecognizable properties of groups.
On some elementary properties of soluble groups of derived length 2.