Résumé : Kontsevich proved that the Lie homology of symplectic Hamiltonians can be encoded as the homology of a Hopf bialgebra of graph complex attached to the commutative world. In this talk we will see some generalisation of this theorem : commutative world being replaced by operad, symplectic by a classical group, and we can consider Lie homology or its lifting to Leibniz homology.

Dernière modification : Thursday 21 November 2024

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