Subgroup separability of graphs of abelian groups

Metaftsis, V.; Raptis, E.

doi:10.1090/S0002-9939-03-07287-3

Subgroup separability of graphs of abelian groups
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Proc. Amer. Math. Soc. 132 (2004), 1873-1884 Request permission

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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