Nonhomogeneous Riemannian 3-manifolds with distinct constant Ricci eigenvalues
Oldřich Kowalski (1993)
Commentationes Mathematicae Universitatis Carolinae
Similarity:
We extend a construction by K. Yamato [Ya] to obtain new explicit examples of Riemannian 3-manifolds as in the title. Some of these examples have an interesting geometrical interpretation.