Title of article :
The Cyclic Subgroup Separability of Certain HNN Extensions
Author/Authors :
Wong, P.C. university of malaya - Institute of Mathematical Sciences, Malaysia , Wong, K.B. university of malaya - Institute of Mathematical Sciences, Malaysia
Abstract :
In this note we give characterisations for certain HNN extensions with central associated subgroups to be cyclic subgroup separable. We then apply our results to HNN extensions of polycyclic-by-finite groups and Fuchsian groups.
Keywords :
HNN extensions , cyclic subgroup separable , polycyclicby , finite groups , free , by , finie groups , Fuchsian groups , abelian groups
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
