Title of article
Four-dimensional Yetter–Drinfeld module algebras over H4
Author/Authors
Hui-Xiang Chen، نويسنده , , Yinhuo Zhang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
53
From page
582
To page
634
Abstract
In this paper, we classify four-dimensional Yetter–Drinfeld module algebras over Sweedlerʹs 4-dimensional Hopf algebra H4. All H4-Azumaya algebras of dimension 4 have been given. In particular, all Yetter–Drinfeld H4-module algebra structures on the matrix algebra M2(k) are classified.
Keywords
Azumaya algebra , Module algebra , Quantum double , Brauer group
Journal title
Journal of Algebra
Serial Year
2006
Journal title
Journal of Algebra
Record number
697393
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