1. Morse-Bott theory and equivariant cohomology;Austin,1995
2. An extrinsic look at the Riemannian Hessian;Absil,2013
3. Morse functions and cohomology of homogeneous spaces;Duan,2005
4. Functions, flows and oscillatory integrals on flag manifolds and conjugacy classes in real semisimple Lie groups;Duistermaat;Compos. Math.,1983
5. Integrable gradient flows and Morse theory;Veselov;St. Petersburg Math. J.,1997