On partially pseudo symmetric -contact Riemannian manifolds.
Binh, T.Q., De, U.C., Tamássy, L. (2002)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Binh, T.Q., De, U.C., Tamássy, L. (2002)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Das, Bandana, Bhattacharyya, Arindam (2010)
Acta Universitatis Apulensis. Mathematics - Informatics
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Uday Chand De, Prajjwal Pal (2014)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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The object of the present paper is to study almost pseudo-Z-symmetric manifolds. Some geometric properties have been studied. Next we consider conformally flat almost pseudo-Z-symmetric manifolds. We obtain a sufficient condition for an almost pseudo-Z-symmetric manifold to be a quasi Einstein manifold. Also we prove that a totally umbilical hypersurface of a conformally flat () is a manifold of quasi constant curvature. Finally, we give an example to verify the result already obtained...
Filip Defever, Ryszard Deszcz (1993)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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Füsun Özen Zengin, S. Aynur Uysal, Sezgin Altay Demirbag (2011)
Annales Polonici Mathematici
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We prove that if the sectional curvature of an n-dimensional pseudo-symmetric manifold with semi-symmetric metric connection is independent of the orientation chosen then the generator of such a manifold is gradient and also such a manifold is subprojective in the sense of Kagan.
Hülya Bağdatlı Yilmaz (2012)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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The object of the present paper is to study decomposable almost pseudo conharmonically symmetric manifolds.
Jong Taek Cho, Jun-ichi Inoguchi, Ji-Eun Lee (2009)
Colloquium Mathematicae
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A trans-Sasakian 3-manifold is pseudo-symmetric if and only if it is η-Einstein. In particular, a quasi-Sasakian 3-manifold is pseudo-symmetric if and only if it is a coKähler manifold or a homothetic Sasakian manifold. Some examples of non-Sasakian pseudo-symmetric contact 3-manifolds are exhibited.
Ryszard Deszcz, Wiesław Grycak (1990)
Colloquium Mathematicae
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