Poisson ManifoldsΒΆ Poisson tensors PoissonTensorField hamiltonian_vector_field() poisson_bracket() sharp() PoissonTensorFieldParal Symplectic structures SymplecticForm flat() hamiltonian_vector_field() hodge_star() on_forms() poisson() poisson_bracket() restrict() sharp() volume_form() wrap() SymplecticFormParal poisson() restrict() Symplectic vector spaces StandardSymplecticSpace symplectic_form()