An example of Riemannian manifolds satisfying $R(X,\,Y)\cdot R=0$ but not $\nabla R=0$

Hitoshi Takagi

doi:10.2748/tmj/1178241595

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Home > Journals > Tohoku Math. J. (2) > Volume 24 > Issue 1 > Article

1972 An example of Riemannian manifolds satisfying $R(X,\,Y)\cdot R=0$ but not $\nabla R=0$

Hitoshi Takagi

Tohoku Math. J. (2) 24(1): 105-108 (1972). DOI: 10.2748/tmj/1178241595

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Tohoku Math. J. (2)

Vol.24 • No. 1 • 1972

Tohoku University, Mathematical Institute

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Hitoshi Takagi "An example of Riemannian manifolds satisfying $R(X,\,Y)\cdot R=0$ but not $\nabla R=0$," Tohoku Mathematical Journal, Tohoku Math. J. (2) 24(1), 105-108, (1972)

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