Results 121 to 130 of about 161 (146)
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Archiv der Mathematik, 1998
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García-Río, Eduardo, Kupeli, Demir N.
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García-Río, Eduardo, Kupeli, Demir N.
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1999
In this chapter we introduce the notion of semi-Riemannian maps. Intuitively a semi-Riemannian map is a map between semi-Riemannian manifolds which is as “isometric as it can be.” Hence, as one expects, the existence of a semi-Riemannian map between semi-Riemannian manifolds enables us to compare some geometric properties of the semi-Riemannian ...
Eduardo García-Río, Demir N. Kupeli
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In this chapter we introduce the notion of semi-Riemannian maps. Intuitively a semi-Riemannian map is a map between semi-Riemannian manifolds which is as “isometric as it can be.” Hence, as one expects, the existence of a semi-Riemannian map between semi-Riemannian manifolds enables us to compare some geometric properties of the semi-Riemannian ...
Eduardo García-Río, Demir N. Kupeli
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Chen’s first inequality for Riemannian maps
Annales Polonici Mathematici, 2016Summary: We obtain a basic Chen inequality for Riemannian maps between Riemannian manifolds.
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Semi-Riemannian Transversal Maps
1999In this chapter, we generalize the notion of a semi-Riemannian map to the notion of a semi-Riemannian map with respect to a semi-Riemannian foliation on the target manifold. If this semi-Riemannian foliation is taken to be the points of the target manifold, then the definition of a semi-Riemannian map with respect to such a foliation reduces to the ...
Eduardo García-Río, Demir N. Kupeli
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2017
In this paper, we first find necessary and sufficient conditions for the total space of a Riemannian map to be an Einstein manifold and then we obtain various inequalities in terms of the scalar curvatures of the base space, fibers and images. In the equality cases of those inequalities, we obtain harmonicity and totally geodesicity of such maps.
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In this paper, we first find necessary and sufficient conditions for the total space of a Riemannian map to be an Einstein manifold and then we obtain various inequalities in terms of the scalar curvatures of the base space, fibers and images. In the equality cases of those inequalities, we obtain harmonicity and totally geodesicity of such maps.
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Conformal Riemannian Maps between Riemannian Manifolds, Their Harmonicity and Decomposition Theorems
Acta Applicandae Mathematicae, 2008Let \((M_{1}^{m}, g_{1})\) and \((M_{2}^{n}, g_{2})\) be Riemannian manifolds and \(f: (M_{1}^{m}, g_{1})\longrightarrow (M_{2}^{m}, g_{2})\) a smooth map between them.
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Conformal Slant Riemannian Maps
2022Conformal slant Riemannian maps from almost Hermitian manifolds to Riemannian manifolds are introduced. We give a non-trivial example of proper conformal slant Riemannian maps, obtain conditions for certain distributions to be integrable and find totally geodesicity conditions for leaves of distributions.
Yanan, Ş., Şahin, B.
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HARMONIC MAPPINGS OF RIEMANNIAN MANIFOLDS.
American Journal of Mathematics, 1964Eells, James jun., Sampson, J. H.
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