The Hopf algebraic automorphism group of quantum double of 8-dimensional Radford Hopf algebra
Let R2,2(-1)be the 8-dimensional Radford Hopf algebra,andD(R2,2(-1))the quantum double of R2,2(-1),it is proved that the Hopf algebraic automorphism group of D(R2,2(-1))is isomorphic to Klein four-group.
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