Hamiltonian symmetries and reduction in generalized geometry

Shengda Hu

A closed 3-form $H\in {\Omega }_0^3(M)$ defines an extension of $\Gamma (TM)$ by ${\Omega }_0^2(M)$. This fact leads to the definition of the group of $H$-twisted Hamiltonian symmetries $\Ham(M, \JJ; H…