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Journal of Group Theory

Editor-in-Chief: Parker, Christopher W.

Managing Editor: Wilson, John S. / Khukhro, Evgenii I. / Kramer, Linus


IMPACT FACTOR 2018: 0.470
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CiteScore 2018: 0.53

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Source Normalized Impact per Paper (SNIP) 2018: 1.047

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Online
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1435-4446
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Volume 15, Issue 6

Issues

Inverse limits of finite rank free groups

Gregory R. Conner / Curtis Kent
Published Online: 2012-11-01 | DOI: https://doi.org/10.1515/jgt-2012-0019

Abstract.

We will show that the inverse limit of finite rank free groups with surjective connecting homomorphism is isomorphic either to a finite rank free group or to a fixed universal group. In other words, any inverse system of finite rank free groups which is not equivalent to an eventually constant system has the universal group as its limit. This universal inverse limit is naturally isomorphic to the first shape group of the Hawaiian earring. We also give an example of a homomorphic image of the Hawaiian earring group which lies in the inverse limit of free groups but is neither a free group nor isomorphic to the Hawaiian earring group.

About the article

Received: 2011-04-20

Revised: 2012-06-07

Published Online: 2012-11-01

Published in Print: 2012-11-01


Citation Information: Journal of Group Theory, Volume 15, Issue 6, Pages 823–829, ISSN (Online) 1435-4446, ISSN (Print) 1433-5883, DOI: https://doi.org/10.1515/jgt-2012-0019.

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© 2012 by Walter de Gruyter Berlin Boston.Get Permission

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[1]
Gregory Conner and Curtis Kent
Advances in Mathematics, 2019, Volume 347, Page 384

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