Curvature properties of pseudosymmetry type of some 2-quasi-Einstein manifolds

Ryszard Deszcz, Małgorzata Głogowska, Jan Jełowicki +2

Let (M,g) be a 2-quasi-Einstein non-conformally flat semi-Riemannian manifold of dimension > 3. We prove that if its Riemann-Christoffel curvature tensor R is a linear combination…