References
- [1] P. Dacko, Z. Olszak, On weakly para-cosymplectic manifolds of dimension 3, J. Geom. Phys., 57 (2007), 561–570.10.1016/j.geomphys.2006.05.001
- [2] L. P. Eisenhart, Riemannian Geometry, Princeton University Press, 1949.10.1515/9781400884216
- [3] Y. Ishii, On conharmonic transformations, Tensor (N.S.), 7 (1957), 73–80.
- [4] S. Ivanov, D. Vassilev, S. Zamkovoy, Conformal paracontact curvature and the local flatness theorem, Geom. Dedicata, 144 (2010), 79–100.10.1007/s10711-009-9388-8
- [5] K. Kenmotsu, A class of almost contact Riemannian manifolds, Tohoku Math. J., 24 (1972), 93–103.10.2748/tmj/1178241594
- [6] Z. Olszak, The Schouten-van Kampen affine connection adapted to an almost (para) contact metric structure, Publ. Inst. Math. nouv. ser., 94 (108) (2013), 31–42.10.2298/PIM1308031O
- [7] G. P. Pokhariyal and R. S. Mishra, Curvature tensors and their relativistics significance II, Yokohama Math. J., 19 (1971), 97–103.
- [8] A. A. Saikh and H. Kundu, On equivalency of various geometric structures, J. Geom., DOI 10.1007/s00022-013-0200-4
- [9] I. Sato, On a structure similar to almost contact structure, Tensor (N.S.), 30 (1976), 219–224.
- [10] I. Sato and K. Matsumoto, On P-Sasakian satisfying certain conditions, Tensor (N.S.), 33 (1979), 173–178.
- [11] B. B. Sinha, K. L. Sai Prasad, A class of almost para contact metric manifolds, Bull. Cal. Math. Soc., 87 (1995), 307–312.
- [12] J. Welyczko, Slant curves in 3-dimensional normal almost paracontact metric manifolds, Mediterr. J. Math., DOI 10.1007/s00009-013-0361-2 (2013).10.1007/s00009-013-0361-2
- [13] K. Yano and S. Bochner, Curvature and Betti numbers, Annals of Math. Studies, 32, Princeton University Press, 1953.10.1515/9781400882205