Tressages des groupe de Poisson formels à dual quasitriangulaire

Fabio Gavarini, Gilles Halbout

Let $\mathfrak{g}$ be a quasitriangular Lie bialgebra over a field $K$ of characteristic zero, and let ${\mathfrak{g}}^{\ast }$ be its dual Lie bialgebra. We prove that the formal Po…