A cocycle for the comultiplication on the quantum SU(2) group
Abstract
For the family Deltaq, q in [0,1), of the SUq(2)-comultiplications on the C*-algebra A C(SUq(2)), we show that there exist unitary operators Omegaq such that Deltaq(x)=Omegaq Delta0(x) (Omegaq)* for x in A.
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