
In this article, we completely determine the group of algebra automorphisms for the two-parameter Hopf algebra . As a result, the group of Hopf algebra automorphisms is determined for as well. We further characterize all the derivations of the subalgebra and calculate its first degree Hochschild cohomology group.
Algebra automorphisms, Hopf algebra automorphisms, Derivations, 510, 620
Algebra automorphisms, Hopf algebra automorphisms, Derivations, 510, 620
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