Extensions of group retractions.

We characterize the solvable groups without infinite properly ascending chains of non-BFC subgroups and prove that a non-BFC group with a descending chain whose factors are finite or abelian is a Cernikov group or has an infinite properly descending chain of non-BFC subgroups.

Abelian subgroup separability of some one-relator groups.

Tieudjo, D. (2005)

International Journal of Mathematics and Mathematical Sciences

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Group theory based at any point.

Albar, M.A., Huq, S.A. (2001)

International Journal of Mathematics and Mathematical Sciences

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A note on the torsion elements in the centralizer of a finite index subgroup.

Dekimpe, Karel (1996)

Bulletin of the Belgian Mathematical Society - Simon Stevin

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