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Subgroup separability of graphs of abelian groups |
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| Authors: | V. Metaftsis E. Raptis |
| Affiliation: | Department of Mathematics, University of the Aegean, Karlovassi, 832 00 Samos, Greece ; Department of Mathematics, University of Athens, Panepistimiopolis, 157 84 Athens, Greece |
| 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. |
| Keywords: | Subgroup separable groups (LERF) residually finite groups HNN-extensions graphs of groups |
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