Extended and Reshetikhin Twists for sl(3)

Details Extended and Reshetikhin Twists for sl(3) Extended and Reshetikhin Twists for sl(3)

1999-03-11

arxiv.org/abs/math/9903065v1

Mathematics

Quantum Algebra

14 pages, LaTeX 209

Scientific paper

10.1088/0305-4470/32/28/312

The properties of the set {L} of extended jordanian twists for algebra sl(3) are studied. Starting from the simplest algebraic construction --- the peripheric Hopf algebra U_ P'(0,1)(sl(3)) --- we construct explicitly the complete family of extended twisted algebras {U_ E(\theta)(sl(3))} corresponding to the set of 4-dimensional Frobenius subalgebras {L(\theta)} in sl(3). It is proved that the extended twisted algebras with different values of the parameter \theta are connected by a special kind of Reshetikhin twist. We study the relations between the family {U_E(\theta)(sl(3))} and the one-dimensional set {U_DJR(\lambda)(sl(3))} produced by the standard Reshetikhin twist from the Drinfeld--Jimbo quantization U_DJ(sl(3)). These sets of deformations are in one-to-one correspondence: each element of {U_E(\theta)(sl(3))} can be obtained by a limiting procedure from the unique point in the set {U_DJR(\lambda)(sl(3))}.

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