Results 21 to 30 of about 3,286,440 (286)

A DDVV INEQUALITY FOR SUBMANIFOLDS OF WARPED PRODUCTS [PDF]

open access: yesBulletin of the Australian Mathematical Society, 2017
We prove a DDVV inequality for submanifolds of warped products of the form $I\times _{a}\mathbb{M}^{n}(c)$ , where
Roth, J., Roth, Julien
core   +6 more sources

Curvature Estimates for Submanifolds in Warped Products [PDF]

open access: yesResults in Mathematics, 2011
We give estimates on the intrinsic and the extrinsic curvature of manifolds that are isometrically immersed as cylindrically bounded submanifolds of warped products. We also address extensions of the results in the case of submanifolds of the total space of a Riemannian submersion.
Alías, L. J.   +3 more
openaire   +4 more sources

Warped products with special Riemannian curvature

open access: yesBoletim da Sociedade Brasileira de Matem�tica, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bertola, M., Gouthier, D.
openaire   +3 more sources

Geometry of warped products [PDF]

open access: yes, 1999
This is a survey on the geometry of warped products, without, or essentially with only soft, calculation. Somewhere in the paper, the goal was to give a synthetic account since existing approaches are rather analytic. Somewhere else, we have interpreted statements, especially by means of a physical terminology.
Zeghib, Abdelghani
core   +5 more sources

A RIGIDITY RESULT FOR SLICES IN WARPED PRODUCTS

open access: yesBulletin of the Australian Mathematical Society
Abstract We prove a new characterisation of slices embedded into some warped products in terms of higher-order mean curvatures.
JULIEN ROTH
openaire   +3 more sources

On Landsberg Warped Product Metrics [PDF]

open access: yesZurnal matematiceskoj fiziki, analiza, geometrii, 2021
In the present paper the authors discuss the Finsler warped product metrics. They study the Berwald curvature of Finsler warped product metrics. They characterize the Finsler warped product metrics of isotropic Berwald curvature and deduce that they are Randers metrics (Theorem 1.2).
Gabrani, Mehran   +2 more
openaire   +2 more sources

Some results on the geometry of warped product CR-submanifolds in quasi-Sasakian manifold

open access: yesCubo, 2022
The present paper deals with a study of warped product submanifolds of quasi-Sasakian manifolds and warped product CR-submanifolds of quasi-Sasakian manifolds.
Shamsur Rahman
doaj   +1 more source

Sequential Warped Products and Their Applications

open access: yesInternational Electronic Journal of Geometry, 2021
In this paper, we study the sequential warped product manifolds, which are the natural generalizations of singly warped products. Many spacetime models that characterize the universe and the solutions of Einstein's field equations are known to have this new structure.
Güler, Sinem, Güler, Sinem
openaire   +5 more sources

Warped product space-times [PDF]

open access: yesClassical and Quantum Gravity, 2017
Abstract Many classical results in relativity theory concerning spherically symmetric space-times have easy generalizations to warped product space-times, with a two-dimensional Lorentzian base and arbitrary dimensional Riemannian fibers. We first give a systematic presentation of the main geometric constructions, with emphasis on the
Xinliang An, Willie Wai Yeung Wong
openaire   +2 more sources

Pseudo-projective tensor on sequential warped products [PDF]

open access: yes, 2023
The main objective of this paper is to study pseudo-projective tensor on sequential warped products and then to obtain necessary and sufficient conditions for a sequential warped product to be pseudo-projectively flat.
Ünal, Bülent   +4 more
core   +1 more source

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