Sum of Hamiltonian manifolds

Bohui Chen, Hai-Long Her, Bai-Ling Wang

For any compact connected Lie group $G$, we study the Hamiltonian sum of two compact Hamiltonian group $G$-manifolds $(X^{+},{\omega }^{+},{\mu }^{+})$ and $(X^{-},{\omega }^{-},{\mu }^{-})$ with a common codimension 2…