What are all primitive elements in a tensor algebra?

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http://ift.tt/eA8V8J

Let H H be a Hopf algebra and V V a Yetter-Drinfeld module over H H . Then there is a braiding Ψ:V⊗V→V⊗V Ψ : V ⊗ V → V ⊗ V given by ...

from Algebra

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