Displaying similar documents to “Ball-Homogeneous and Disk-Homogeneous Riemannian Manifolds.”

Four-dimensional curvature homogeneous spaces

Kouei Sekigawa, Hiroshi Suga, Lieven Vanhecke (1992)

Commentationes Mathematicae Universitatis Carolinae

Similarity:

We prove that a four-dimensional, connected, simply connected and complete Riemannian manifold which is curvature homogeneous up to order two is a homogeneous Riemannian space.