On the theory of quantum groups |
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Authors: | Michel Dubois-Violette |
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Institution: | (1) Laboratoire de Physique Théorique et Hautes Energies, Université Paris XI, Batiment 211, 91405 Orsay, France |
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Abstract: | By using the results of S. L. Woronowicz, we show that for the twisted version of the classical compact matrix groups, the Hopf algebraA
h
of representative elements is isomorphic as a co-algebra to the Hopf algebraA
O
of representative functions on the classical group. As a consequence,A
h
can be identified withA
O
as a co-algebra but with an associative product, called the star-product, which is a deformation of the original commutative product ofA
O
. Furthermore, the construction of this star product from the original product is connected to the Fourier transformation in a manner which is similar to the construction of quantum mechanics from classical mechanics on phase space. In fact, we shall describe the analog of the Weyl correspondence. |
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Keywords: | 16A24 20Gxx 42A38 81Cxx |
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