On conformally recurrent Ricci-recurrent manifolds
W. Roter (1982)
Colloquium Mathematicae
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W. Roter (1982)
Colloquium Mathematicae
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R. Gerlach, V. Wünsch (1999)
Annales de l'I.H.P. Physique théorique
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Chung, Kyung Tae, Eun, Gwang Sik (1994)
International Journal of Mathematics and Mathematical Sciences
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N. Blažić, P. Gilkey, S. Nikčević, U. Simon (2005)
Banach Center Publications
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We study when the Jacobi operator associated to the Weyl conformal curvature tensor has constant eigenvalues on the bundle of unit spacelike or timelike tangent vectors. This leads to questions in the conformal geometry of pseudo-Riemannian manifolds which generalize the Osserman conjecture to this setting. We also study similar questions related to the skew-symmetric curvature operator defined by the Weyl conformal curvature tensor.
Ornea, Liviu, Romani, Giuliano (1993)
Beiträge zur Algebra und Geometrie
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M. C. Chaki, D. Ghosh (1977)
Matematički Vesnik
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Branson, Thomas P.
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W. Roter (1982)
Colloquium Mathematicae
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Andrew Swann, Henrik Pedersen (1993)
Journal für die reine und angewandte Mathematik
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