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Original Articles

Torsion-Free Groups with All Subgroups 4-Subnormal

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Pages 4567-4585 | Received 23 Aug 2004, Published online: 01 Feb 2007
 

ABSTRACT

Let G be a torsion-free group with all subgroups subnormal of defect at most 4. We show that G is nilpotent of class at most 4.

Mathematics Subject Classification:

ACKNOWLEDGMENT

The first author is grateful to the Department of Mathematics at the Lund Institute of Technology for its hospitality.

Communicated by M. Dixon.

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