| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4589001 | Journal of Algebra | 2006 | 53 Pages |
Abstract
In this paper, we classify four-dimensional Yetter–Drinfeld module algebras over Sweedler's 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.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
