Parallel and totally geodesic hypersurfaces of non-reductive homogeneous four-manifolds
arXiv:1809.06631
Abstract
We classify totally geodesic and parallel hypersurfaces of four-dimensional non-reductive homogeneous pseudo-Riemannian manifolds.
arXiv:1809.06631
We classify totally geodesic and parallel hypersurfaces of four-dimensional non-reductive homogeneous pseudo-Riemannian manifolds.