Centrification of algebras and Hopf algebras

Dmitriy Rumynin, Matthew Westaway

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We investigate a method of construction of central deformations of associative algebras, which we call centrification. We prove some general results in the case of Hopf algebras and provide several examples.
Original languageEnglish
JournalCanadian Journal of Mathematics
Early online date8 Apr 2021
Publication statusE-pub ahead of print - 8 Apr 2021


  • 2-group
  • universal cover
  • group extension
  • cohomology


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