On the Quasi-Hopf structure of deformed double Yangians

D. Arnaudon , J. Avan , L. Frappat , E. Ragoucy , M. Rossi

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keywords doubledeformedquasi-hopfyangianscentrallyconnectingconstructestablishing

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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.

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On the Quasi-Hopf structure of deformed double Yangians

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