Title of article :
Subgroup Separability and Conjugacy 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 characterizations for certain HNN extensions of polycyclic-by-finite groups with central associated subgroups to be subgroup separable and conjugacy separable. We shall do this by showing the equivalence of subgroup separability and conjugacy separability in this type of HNN extensions
Keywords :
HNN extensions , Polycyclic , by , finite groups , Subgroup separable , Conjugacy separable , Residually finite
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
