Results in Mathematics

, Volume 28, Issue 3, pp 185-194

First online:

Subgroup separable free products with cyclic amalgamation

  • Michael AabAffiliated withFachbereich Mathematik, Universität Dortmund
  • , Gerhard RosenbergerAffiliated withFachbereich Mathematik, Universität Dortmund

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Using topological methods we give a proof that the free product of two strict subgroup separable groups with infinite cyclic amalgamation is subgroup separable.

1991 Mathematics subject classification

57M07 20E07 57M10


Subgroup separability Free products with amalgamation