Lorentzian geometry in the large

John Beem

Displaying similar documents to “Lorentzian geometry in the large”

Geodesics on a central symmetric warped product manifold.

Ben Youssif, N.M. (2004)

Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]

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Geodesic reflections in semi-Riemannian geometry

Eduardo García-Río, M. Elena Vázquez-Abal (1993)

Czechoslovak Mathematical Journal

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On the geometry at infinity of the universal covering of $S l (2, ℝ)$

Marcos Salvai (2000)

Rendiconti del Seminario Matematico della Università di Padova

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On properties of geodesic $η$ -preinvex functions.

Ahmad, I., Iqbal, Akhlad, Ali, Shahid (2009)

Advances in Operations Research

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Some properties of geodesic semi E-b-vex functions

Adem Kiliçman, Wedad Saleh (2015)

Open Mathematics

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In this study, we introduce a new class of function called geodesic semi E-b-vex functions and generalized geodesic semi E-b-vex functions and discuss some of their properties.

Characterizations of complex space forms by means of geodesic spheres and tubes

J. Gillard (1996)

Colloquium Mathematicae

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We prove that a connected complex space form ( $M^{n}$ ,g,J) with n ≥ 4 can be characterized by the Ricci-semi-symmetry condition ${\tilde{R}}_{X Y} \cdot \tilde{ϱ} = 0$ and by the semi-parallel condition ${\tilde{R}}_{X Y} \cdot σ = 0$ , considering special choices of tangent vectors $X, Y$ to small geodesic spheres or geodesic tubes (that is, tubes about geodesics), where $\tilde{R}$ , $\tilde{ϱ}$ and $σ$ denote the Riemann curvature tensor, the corresponding Ricci tensor of type (0,2) and the second fundamental form of the spheres or tubes and where ${\tilde{R}}_{X Y}$ acts as a derivation.