Yazar "Ghosh, Sujit" seçeneğine göre listele

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    A note on almost quasi Yamabe solitons and gradient almost quasi Yamabe solitons
    (Hacettepe Univ, Fac Sci, 2021) Ghosh, Sujit; De, Uday Chand; Yildiz, Ahmet
    In this article, we characterize almost quasi-Yamabe solitons and gradient almost quasiYamabe solitons in context of three dimensional Kenmotsu manifolds. It is proven that if the metric of a three dimensional Kenmotsu manifold admits an almost quasi-Yamabe soliton with soliton vector field W then the manifold is of constant sectional curvature -1, but the converse is not true has been shown by a concrete example, under the restriction phi W not equal 0. Next we consider gradient almost quasi-Yamabe solitons in a three dimensional Kenmotsu manifold.
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    ON A CLASS OF N(k)-CONTACT METRIC MANIFOLDS
    (Editura Acad Romane, 2014) De, Uday Chand; Yildiz, Ahmet; Ghosh, Sujit
    The object of the present paper is to study xi-concircularly flat and phi-concircularly flat N(k)-contact metric manifolds. Beside these, we also study N(k)-contact metric manifolds satisfying Z(xi, X).S = 0. Finally, we construct an example to verify some results.