A Stiefel manifold $V_k\bold R^n$ is the set of orthonormal $k$-frames in $\bold R^n$, and it is diffeomorphic to the homogeneous space $SO(n)/SO(n-k)$. We study $SO(n)$-invariant Einstein metrics on this space. We determine when the standard metric on $SO(n)/SO(n-k)$ is Einstein, and we give an explicit solution to the Einstein equation for the space $V_2\bold R^n$.
@article{118869, author = {Andreas Arvanitoyeorgos}, title = {Homogeneous Einstein metrics on Stiefel manifolds}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {37}, year = {1996}, pages = {627-634}, zbl = {0881.53042}, mrnumber = {1426927}, language = {en}, url = {http://dml.mathdoc.fr/item/118869} }
Arvanitoyeorgos, Andreas. Homogeneous Einstein metrics on Stiefel manifolds. Commentationes Mathematicae Universitatis Carolinae, Tome 37 (1996) pp. 627-634. http://gdmltest.u-ga.fr/item/118869/
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