Abstract
We show that the differential complex Ω B over the braided matrix algebra BM q (N) represents a covariant comodule with respect to the coaction of the Hopf algebra Ω A which is a differential extension of GL q (N). On the other hand, the algebra Ω A is a covariant braided comodule with respect to the coaction of the braided Hopf algebra Ω B . Geometrical aspects of these results are discussed.
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Isaev, A.P. Interrelations between quantum groups and reflection equation (braided) algebras. Lett Math Phys 34, 333–341 (1995). https://doi.org/10.1007/BF00750065
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DOI: https://doi.org/10.1007/BF00750065