Bigraded Lie algebras related to MZVs

Mohamad Maassarani

We prove that Goncharov's dihedral Lie coalgebra $D_{\bullet \bullet }:={\oplus }_{k\ge m\ge 1}{D}_{m,k}$ of the trivial group (${\hat{\mathcal{D}}}_{\bullet \bullet }(G)$ of (arxi…