Classification of Warped Product Submanifolds in Kenmotsu Space Forms Admitting Gradient Ricci Solitons Article Swipe

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Submanifold Product (mathematics) Mathematics Einstein Manifold (fluid mechanics) Pure mathematics Space (punctuation) Curvature Space form Ricci curvature Second fundamental form Mathematical analysis Mean curvature Computer science Geometry Mathematical physics Engineering Operating system Mechanical engineering

Ali H. Alkhaldi , Akram Ali ·

YOU? · · 2019 · Open Access · · DOI: https://doi.org/10.3390/math7020112 · OA: W2912495810

The purpose of this article is to obtain geometric conditions in terms of gradient Ricci curvature, both necessary and sufficient, for a warped product semi-slant in a Kenmotsu space form, to be either CR-warped product or simply a Riemannian product manifold when a basic inequality become equality. The next purpose of this paper to find the necessary condition admitting gradient Ricci soliton, that the warped product semi-slant submanifold of Kenmotsu space form, is an Einstein warped product. We also discuss some obstructions to these constructions in more detail.