The hopf-algebra tag has no wiki summary.
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What are the uses of Hopf algebras in physics?
Hopf algebra is nice object full of structure (a bialgebra with an antipode). To get some idea what it looks like, group itself is a Hopf algebra, considered over a field with one element ;) usual ...
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Why do string theory and Hopf algebra renormalization seem to have no intersection?
Hopf algebra appears in recent papers that systematize renormalization of quantum field theory (QFT). For example see Connes' work and citing papers or a paper referenced here on PSE:
R. E. ...
