Abstract
The classic Zipper lemma of Wielandt on subnormal subgroups is generalized. An application is a new proof of a theorem of Bartels which describes the subnormal closure of a subgroup.
| Original language | English |
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| Pages (from-to) | 263-266 |
| Journal | Bulletin of the London Mathematical Society |
| Volume | 42 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 9 Feb 2010 |