Warped Product Submanifolds of Kenmotsu Manifolds with Slant Fiber

被引:4
|
作者
Naghi, Monia Fouad [1 ]
Uddin, Siraj [1 ]
Al-Solamy, Falleh R. [1 ]
机构
[1] King Abdulaziz Univ, Dept Math, Fac Sci, Jeddah 21589, Saudi Arabia
关键词
Warped products; slant submanifolds; pseudo-slant submanifolds; mixed totally geodesic; Kenmotsu manifolds; CR-SUBMANIFOLDS; KAEHLER MANIFOLDS; IMMERSIONS; GEOMETRY;
D O I
10.2298/FIL1806115N
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Recently, we have discussed the warped product pseudo-slant submanifolds of the type M theta x(f)M(perpendicular to) of Kenmotsu manifolds. In this paper, we study other type of warped product pseudo-slant submanifolds by reversing these two factors in Kenmotsu manifolds. The existence of such warped product immersions is proved by a characterization. Also, we provide an example of warped product pseudo-slant submanifolds. Finally, we establish a sharp estimation such as parallel to h parallel to(2) >= 2p cos(2) theta (parallel to(del) over arrow(ln f)parallel to(2) - 1 for the squared norm of the second fundamental form parallel to h parallel to(2), in terms of the warping function f, where (del) over arrow (ln f) is the gradient vector of the function ln f. The equality case is also discussed.
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页码:2115 / 2126
页数:12
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