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Subgroup separability of graphs of abelian groups

Authors: V. Metaftsis and E. Raptis
Journal: Proc. Amer. Math. Soc. 132 (2004), 1873-1884
MSC (2000): Primary 20E05, 20E06, 20E26
Published electronically: November 26, 2003
MathSciNet review: 2053956
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Abstract: In the present paper we give necessary and sufficient conditions for the subgroup separability of the fundamental group of a finite graph of groups with finitely generated abelian vertex groups.

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Additional Information

V. Metaftsis
Affiliation: Department of Mathematics, University of the Aegean, Karlovassi, 832 00 Samos, Greece

E. Raptis
Affiliation: Department of Mathematics, University of Athens, Panepistimiopolis, 157 84 Athens, Greece

Keywords: Subgroup separable groups (LERF), residually finite groups, HNN-extensions, graphs of groups
Received by editor(s): February 18, 2002
Received by editor(s) in revised form: March 7, 2003
Published electronically: November 26, 2003
Communicated by: Stephen D. Smith
Article copyright: © Copyright 2003 American Mathematical Society

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