Geodesic
Semi-Slant Lightlike Submanifolds of Golden Semi-Riemannian Manifolds
Kragujevac Journal of Mathematics, Tome 49 (2025) no. 1, p. 141

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The aim of our paper is to introduce the notion of semi-slant lightlike submanifolds of golden semi-Riemannian manifolds. We give non-trivial examples of semi-slant lightlike submanifolds and provide a characterization theorem of such submanifolds. Further, we obtain necessary and sufficient conditions for integrability of the distributions and investigate the geometry of the leaves of the foliation determined by the distributions. We also obtain a necessary and sufficient condition for the induced connection to be a metric connection. Finally, we obtain necessary and sufficient condition for mixed-geodesic semi-slant lightlike submanifold of golden semi-Riemannian manifold.
Classification : 53C50, 53C40, 53C15
Keywords: Golden structure, golden semi-Riemannian manifolds, gauss and weingarten formulae, lightlike submanifolds 
Sachin Kumar; Akhilesh Yadav. Semi-Slant Lightlike Submanifolds of Golden Semi-Riemannian Manifolds. Kragujevac Journal of Mathematics, Tome 49 (2025) no. 1, p. 141 . http://geodesic.mathdoc.fr/item/KJM_2025_49_1_a11/
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     title = {Semi-Slant {Lightlike} {Submanifolds} of {Golden} {Semi-Riemannian} {Manifolds}},
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     url = {http://geodesic.mathdoc.fr/item/KJM_2025_49_1_a11/}
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