The contraction of SUμ(2) and its differential structures to Eκ(2)
Kosiński, P. · Maślanka, P.
Original · EN
The deformed double covering of E(2) group, denoted by Eκ(2), is obtained by contraction from the SUμ(2). The contraction procedure is then used for producing a new examples of differential calculi: 3D-left covariant calculus on both Eκ(2) and the deformed Euclidean group Eκ(2) and two different 4D-bicovariant calculi on Eκ(2) which correspond to the one 4D-bicovariant calculi on Eκ(2) described in Ref.b14.
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