Geodesic
On coproducts of quasi-triangular Hopf algebras
Algebra i analiz, Tome 6 (1994) no. 4, pp. 204-222 
S. Parmentier. On coproducts of quasi-triangular Hopf algebras. Algebra i analiz, Tome 6 (1994) no. 4, pp. 204-222. http://geodesic.mathdoc.fr/item/AA_1994_6_4_a7/
@article{AA_1994_6_4_a7,
     author = {S. Parmentier},
     title = {On coproducts of quasi-triangular {Hopf} algebras},
     journal = {Algebra i analiz},
     pages = {204--222},
     year = {1994},
     volume = {6},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_1994_6_4_a7/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

We introduce two classes of coassociative comultiplications on quasi-triangular Hopf algebras. Specializing to quantum universal envelopes, these coproducts are shown to provide a universal quantization of the modified Poisson brackets on Lie groups associated with the parabolic and Iwasawa families of non-skew solutions of the modified classical Yang–Baxter equation.