On the Quasi-Hopf structure of deformed double Yangians

Abstract

We construct universal twists connecting the centrally extended double Yangian DY(sl(2))_c with deformed double Yangians DY_r(sl(2))_c, thereby establishing the quasi-Hopf structures of the latter.

arXiv comment11 pages

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Cited by in corpus (1)

• Yangian and quantum universal solutions of Gervais--Neveu--Felder equations