While I would be glad to hear a nicer proof of the Theorem,
Sorry for late answer. You can get a rather quick proof of this theorem by remarking that, in you your situation, when H is cocommutative, the comultiplication is a morphism of bi-algebras.
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Sorry for late answer. You can get a rather quick proof of this theorem by remarking that, in you situation, when H is cocommutative, the comultiplication is a morphism of algebrasbi-algebras. |
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Sorry for late answer. You can get a rather quick proof of this theorem by remarking that, in you situation, when H is cocommutative, the comultiplication is a morphism of algebras. |
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