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On the first end invariant of an exact sequence

Published online by Cambridge University Press:  26 February 2010

F. E. A. Johnson
F. E. A. Johnson
Affiliation:
Department of Mathematics, University College, London.. Gower Street, London WCIE 6BT.
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The notion of stability at infinity for an infinite finitely presented group with one end was introduced in [14], and for groups stable at infinity, the end invariant e was defined and studied for some (non-trivial) direct products. In this paper we study the corresponding problem for extensions.

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Type
Research Article
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Mathematika , Volume 22 , Issue 1 , June 1975, pp. 60 - 70
Copyright
Copyright © University College London 1975

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