Homological Methods Applied to the Derived Series of Groups
Infinite Soluble Groups with Engel Cycles; a Finiteness Condition.
Infinite Soluble Groups with the Bell Property: A Finiteness Condition.
-nacci sequences in finite triangle groups.
Matrix theoretic interpretation of the classical Markoff theory. (L'interprétation matricielle de la théorie de Markoff classique.)
Metabelian Representations and the Isomorphism Problem.
More on five commutator identities.
Normal subgroups as ideals
Normalteiler ganzzahliger Spingruppen.
On a theorem of Schur.
On commuting elemts of groups acting on trees
On Connected Transversals in Finite Groups.
On cyclic commutator subgroups.
On cyclic commutator subgroups. (Short Communication).
On exact power margin groups
On Isoclinic Groups.
On mutual commutants of generalized carpet subgroups.
On normal subgroups of compact groups
Among compact Hausdorff groups whose maximal profinite quotient is finitely generated, we characterize those that possess a proper dense normal subgroup. We also prove that the abstract commutator subgroup is closed for every closed normal subgroup of .
On subgroups of GL (n, A) which are generated by commutators. II.
On the commutator lengths of certain classes of finitely presented groups.