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Transactions of the American Mathematical Society

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Subgroups of free products with amalgamated subgroups: A topological approach

Author: J. C. Chipman
Journal: Trans. Amer. Math. Soc. 181 (1973), 77-87
MSC: Primary 20E30; Secondary 55A05
MathSciNet review: 0417294
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Abstract: The structure of an arbitrary subgroup of the limit of a group system is shown to be itself the limit of a group system, the elements of which can be described in terms of subgroups of the original group system.

References [Enhancements On Off] (What's this?)

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Keywords: Group system, fundamental group, covering space, tree product, HNN group, generalized free product
Article copyright: © Copyright 1973 American Mathematical Society

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