Lie bialgebra structures on the Lie algebra   $\widetilde{\frak{sl}_2(C_q[x,y])}$
  In the present paper we shall investigate the Lie bialgebra structures on the Lie algebra $\widetilde{\frak{sl}_2(C_q[x,y])}$, which are shown to be triangular coboundary. 
Ying Xu, Junbo Li, Wei Wang
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