Three Dimensional Quasi-Para-Sasakian Manifolds Satisfying Certain Curvature Conditions

The object of the present paper is to study some classes of 3-dimensional quasi-para-Sasakian manifolds

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  • [1] Bejan, C. L. and Crasmareanu M., Second order parallel tensors and Ricci solitons in 3-dimensional normal paracontact geometry, Ann. Global Anal. Geom. 46(2) (2014), 117–127.
  • [2] Besse, A. L., Einstein manifolds, Springer-verlag, Berlin-Heidelberg (1987).
  • [3] Blair, D. E., The theory of quasi-Sasakian structures, J. Differential Geom. 1 (1967), 331–345.
  • [4] Blair, D. E., Riemannian Geometry of Contact and Symplectic Manifolds, Progress in Mathematics Vol. 203, Birkhäuser, Boston, 2002.
  • [5] Cappelletti-Montano, B., Küpeli Erken, I. and Murathan, C., Nullity conditions in paracontact geometry, Diff. Geom. Appl. 30 (2012), 665–693.
  • [6] Dacko, P., On almost para-cosymplectic manifolds, Tsukuba J. Math. 28 (2004), 193–213.
  • [7] Deszcz, R., Verstraelen L. and Yaprak S.,Warped products realizing a certain conditions of pseudosymmetry type imposed on theWeyl curvature tensor, Chin. J. Math. 22(1994), 139-157.
  • [8] Erdem, S., On almost (para)contact (hyperbolic) metric manifolds and harmonicity of ('; '0)- holomorphic maps between them, Houston J. Math. 28 (2002), 21–45.
  • [9] Kanemaki, S., Quasi-Sasakian manifolds, Tohoku Math. J. 29 (1977), 227–233.
  • [10] Kaneyuki, S. and Williams, F. L., Almost paracontact and parahodge structures on manifolds, Nagoya Math. J 1985; 99: 173–187.
  • [11] Küpeli Erken, I., Some classes of 3-dimensional normal almost paracontact metric manifolds, Honam Math. J. 37, no. 4 (2015), 457-468.
  • [12] Küpeli Erken, I., On normal almost paracontact metric manifolds of dimension 3, Facta Univ. Ser. Math. Inform. 30, no. 5 (2015), 777-788.
  • [13] Küpeli Erken, I., Dacko, P., Murathan, C. Almost ? paracosymplectic manifolds, J. Geom. Phys. 88, (2015), 30-51.
  • [14] Majhi, P. and Ghosh, G., On a classification of parasasakian manifolds, Facta Univ. Ser. Math. Inform. 32, No 5 (2017), 781-788.
  • [15] Olszak, Z., Curvature properties of quasi-Sasakian manifolds, Tensor 38 (1982), 19–28.
  • [16] Olszak, Z., Normal almost contact metric manifolds of dimension three, Ann. Polon. Math. XLVII (1986), 41–50.
  • [17] Soos, G., Über die geodätischen Abbildungen von Riemannaschen R äumen auf projektiv symmetrische Riemannsche Räume, Acta. Math. Acad. Sci. Hungar. Tom 9 (1958) 359-361.
  • [18] Tanno, S., Quasi-Sasakian structures of rank 2p + 1, J. Differential Geom. 5 (1971), 317–324.
  • [19] Wełyczko, J., On basic curvature identities for almost (para)contact metric manifolds. Available in Arxiv: 1209.4731 [math. DG].
  • [20] Welyczko, J., On Legendre Curves in 3-Dimensional Normal Almost Paracontact Metric Manifolds, Result. Math. 54 (2009), 377–387.
  • [21] Yano, K., Concircular geometry I, Concircular transformations, Proc. Imp. Acad. Tokyo, 16 (1940) 195-200.
  • [22] Yano, K. and Bochner, S., Curvature and Betti numbers, Annals of mathematics studies, 32, Princeton university press,1953.
  • [23] Zamkovoy, S., Canonical connections on paracontact manifolds, Ann. Glob. Anal. Geom. 36 (2009), 37–60.