On a certain type of warped-twisted product submanifolds

Authors: SİBEL GERDAN AYDIN, HAKAN METE TAŞTAN

Abstract: We introduce a certain type of warped-twisted product submanifolds which is called warped-twisted product hemislant submanifolds of the form $_{f_2}M^{\bot}\times_{f_1}M^{\theta}$ with warping function $f_2$ on $M^\theta$ and twisting function $f_1$, where $M^\bot$ is a totally real and $M^\theta$ is a slant submanifold of a globally conformal Kaehler manifold. We prove that a warped-twisted product hemislant submanifold of a globally conformal Kaehler manifold is a locally doubly warped product. Then we establish a general inequality for doubly warped product mixed geodesic hemislant submanifolds and get some results for such submanifolds by using the equality sign of the general inequality.

Keywords: Twisted product, warped product, totally real distribution, slant distribution, hemislant submanifold, globally conformal Kaehler manifold

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