Geodesic
Embedding the Hopf Automorphism Group into the Brauer Group
Canadian mathematical bulletin, Tome 41 (1998) no. 3, pp. 359-367

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DOI

Let $H$ be a faithfully projective Hopf algebra over a commutative ring $k$ . In [8, 9] we defined the Brauer group $\text{BQ}(k,H)$ of $H$ and an homomorphism $\pi $ from Hopf automorphism group $\text{Au}{{\text{t}}_{\text{Hopf}}}(H)$ to $\text{BQ}(k,H)$ . In this paper, we show that the morphism $\pi $ can be embedded into an exact sequence.
DOI : 10.4153/CMB-1998-048-8
Mots-clés : 16W30, 13A20 
Oystaeyen, Fred Van; Zhang, Yinhuo. Embedding the Hopf Automorphism Group into the Brauer Group. Canadian mathematical bulletin, Tome 41 (1998) no. 3, pp. 359-367. doi: 10.4153/CMB-1998-048-8
@article{10_4153_CMB_1998_048_8,
     author = {Oystaeyen, Fred Van and Zhang, Yinhuo},
     title = {Embedding the {Hopf} {Automorphism} {Group} into the {Brauer} {Group}},
     journal = {Canadian mathematical bulletin},
     pages = {359--367},
     year = {1998},
     volume = {41},
     number = {3},
     doi = {10.4153/CMB-1998-048-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1998-048-8/}
}
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