Browsing Artículos by Subject "biGalois object"
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Invertible bimodule categories over the representation category of a Hopf algebra
(2014-02-12)For any finite-dimensional Hopf algebra H we construct a group homomorphism BiGal (H) → BrPic(Rep(H)), from the group of equivalence classes of H-biGalois objects to the group of equivalence classes of invertible exact ...