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Doubles of Quasi-Quantum Groups
Frank Hausser, Florian Nill
Drinfeld showed that any finite dimensional Hopf algebra \G extends to a quasitriangular Hopf algebra \D(\G), the quantum double of \G. Based on the construction of a so--called di…
q-alg1997
Diagonal Crossed Products by Duals of Quasi-Quantum Groups
Frank Hausser, Florian Nill
Let \G be a (weak) quasi-Hopf algebra. Using a two-sided \G-coaction on an algebra \M, we construct what we call the diagonal crossed product as a new associative algebra structure…