%0 Journal Article %T Symmetries in generalized K£¿hler geometry %A Yi Lin %A Susan Tolman %J Mathematics %D 2005 %I arXiv %R 10.1007/s00220-006-0096-z %X We define the notion of a moment map and reduction in both generalized complex geometry and generalized K\"{a}hler geometry. As an application, we give very simple explicit constructions of bi-Hermitian structures on $\C\P^n$, Hirzebruch surfaces, the blow up of $\CP^2$ at arbitrarily many points, and other toric varieties, as well as complex Grassmannians. %U http://arxiv.org/abs/math/0509069v1