Centralizers of normal subsystems revisited

Ellen Henke

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)
6 Downloads (Pure)


In this paper we revisit two concepts which were originally introduced by Aschbacher and are crucial in the theory of saturated fusion systems: Firstly, we give a new approach to defining the centra-lizer of a normal subsystem. Secondly, we revisit the construction of the product of two normal subsystems which centralize each other.
Original languageEnglish
Pages (from-to)364-387
Number of pages24
JournalJournal of Algebra
Early online date30 Jun 2018
Publication statusPublished - 1 Oct 2018

Bibliographical note

This work was partially supported by EPSRC first grant EP/R010048/1.


  • fusion systems


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