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Generalized Complex Hamiltonian Torus Actions: Examples And Constraints, Thomas Baird, Yi Lin
Generalized Complex Hamiltonian Torus Actions: Examples And Constraints, Thomas Baird, Yi Lin
Department of Mathematical Sciences Faculty Publications
Consider an effective Hamiltonian torus action T×M→M on a topologically twisted,generalized complex manifold M of dimension 2n. We prove that the rank(T)≤n−2 and that the topological twisting survives Hamiltonian reduction. We then construct a large new class of such actions satisfying rank(T)=n−2, using a surgery procedure on toric manifolds.