🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsSvenska中文日本語EntityQ7616373· pop 5· linked from 25 articlesStiefel manifoldthe manifold of all orthonormal k-frames in n-dimensional Euclidean spaceConnectionsgroup actionEntityorthogonal groupEntityCategoriesDifferential geometryFiber bundlesHomogeneous spacesManifolds