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Öğe Reproducing kernel Hilbert space method based on reproducing kernel functions for investigating boundary layer flow of a Powell–Eyring non-Newtonian fluid(Journal of Taibah University for Science, 2019-08-08) Akgül, Ali…Öğe Inequalities for scalar curvature of pseudo-Riemannian submanifolds(Journal of Geometry and Physics, 2017) Tripathi, Mukut Mani; Gülbahar, Mehmet; Kılıç, Erol; Keleş, SadıkSome basic inequalities, involving the scalar curvature and the mean curvature, for a pseudo-Riemannian submanifold of a pseudo-Riemannian manifold are obtained. We also find inequalities for spacelike submanifolds. Equality cases are also discussed.Öğe SCREEN ISOTROPIC LEAVES ON LIGHTLIKE HYPERSURFACES OF A LORENTZIAN MANIFOLD(Bullettin of the Korean Mathematical Society, 2017) Gülbahar, MehmetIn the present paper, screen isotropic leaves on lightlike hypersurfaces of a Lorentzian manifold are introduced and studied which are inspired by the definition of isotropic immersions in the Riemannian context. Some examples of such leaves are mentioned. Furthermore, some relations involving curvature invariants are obtained.