Floer cohomologies of non-torus fibers of the Gelfand–Cetlin system

Yuichi Nohara, Kazushi Ueda
2016 The Journal of Symplectic Geometry  
The Gelfand-Cetlin system has non-torus Lagrangian fibers on some of the boundary strata of the moment polytope. We compute Floer cohomologies of such non-torus Lagrangian fibers in the cases of the 3-dimensional full flag manifold and the Grassmannian of 2-planes in a 4-space.
doi:10.4310/jsg.2016.v14.n4.a9 fatcat:k5h4ibqymfc4hpxwawmftwcjgq