References
- D. E. Blair, Riemannian Geometry of Contact and Symplectic Manifolds, Second edition, Progr. Math. 203, Birkhauser Boston, Inc., Boston, MA, 2010.
- E. Boeckx, J. T. Cho, and S. H. Chun, Flow-invariant structures on unit tangent bundles, Publ. Math. Debrecen 70 (2007), no. 1-2, 167-178.
- E. Boeckx and L. Vanhecke, Characteristic reflections on unit tangent sphere bundles, Houston J. Math. 23 (1997), no. 3, 427-448.
- J. T. Cho and S. H. Chun, On the classification of contact Riemannian manifolds satisfying the condition (C), Glasg. Math. J. 45 (2003), no. 3, 475-492. https://doi.org/10.1017/S0017089503001393
- J. T. Cho and J.-I. Inoguchi, Pseudo-symmetric contact 3-manifolds, J. Korean Math. Soc. 42 (2005), no. 5, 913-932. https://doi.org/10.4134/JKMS.2005.42.5.913
- P. Dombrowski, On the geometry of the tangent bundle, J. Reine Angew. Math. 210 (1962), 73-88.
- P. Gilkey, A. Swann, and L. Vanhecke, Isoparametric geodesic spheres and a conjecture of Osserman concerning the Jacobi operator, Quart. J. Math. Oxford Ser. (2) 46 (1995), no. 183, 299-320. https://doi.org/10.1093/qmath/46.3.299
- A. Gray, Classification des varietes approximativement kahleriennes de courbure sectionelle holomorphe constante, J. Reine Angew. Math. 279 (1974), 797-800.
- O. Kowalski, Curvature of the induced Riemannian metric on the tangent bundle of a Riemannian manifold, J. Reine Angew. Math. 250 (1971), 124-129.
- Y. Nikolayevsky, Osserman manifolds of dimension 8, Manuscr. Math. 115 (2004), no. 1, 31-53. https://doi.org/10.1007/s00229-004-0480-y
-
Y. Nikolayevsky, Osserman conjecture in dimension n
${\neq}$ 8, 16, Math. Ann. 331 (2005), no. 3, 505-522. https://doi.org/10.1007/s00208-004-0580-8 - Y. Nikolayevsky, On Osserman manifolds of dimension 16, Contemporary geometry and related topics, 379-398, Univ. Belgrade Fac. Math., Belgrade, 2006.
- L. Vanhecke and T. J. Willmore, Interactions of tubes and spheres, Math. Anal. 21 (1983), no. 1, 31-42.
- K. Yano and S. Ishihara, Tangent and Cotangent Bundles, M. Dekker Inc., 1973.