Results 131 to 140 of about 2,959 (165)

MF-Net: multi-scale feature extraction-integration network for unsupervised deformable registration. [PDF]

Front Neurosci
Li A, Ying Y, Gao T, Zhang L, Zhao X, Zhao Y, Song G, Zhang H.   +7 more
europepmc   +1 more source

Doubly warped product and the periodicity of geodesics

, 1994
openaire   +2 more sources

Doubly Warped Products

Differential Geometry and Its Applications, 2001
The author studies the completeness of Lorentzian doubly warped products with metrics of the form \(-f^2 dt^2\oplus b^2g_F\) for positive functions \(f\) on a Riemannian manifold \(F\), \(b\) on an interval \((c,d)\).
exaly   +2 more sources

Warped Poisson Brackets on Warped Products

Journal of Geometric Mechanics, 2014
In this paper, we generalize the geometry of the product pseudo-Riemannian manifold equipped with the product Poisson structure (\cite{Nas2}) to the geometry of a warped product of pseudo-Riemannian manifolds equipped with a warped Poisson structure. We construct three bivector fields on a product manifold and show that each of them lead under certain ...
Amrane, Yacine Aït, Nasri, Rafik, Zeglaoui, Ahmed   +2 more
exaly   +3 more sources

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Riemannian Warped Product Submersions

Results in Mathematics, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
İrem Küpeli Erken, Cengizhan Murathan
openaire   +4 more sources

Riemannian Warped Product Maps

Results in Mathematics
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Hemangi Madhusudan Shāh, Bayram Şahin, Kiran Meena   +2 more
exaly   +2 more sources

A note on warped products

Journal of Mathematical Analysis and Applications, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Josué Meléndez, Mario Hernández
openaire   +1 more source

A curvature condition for a twisted product¶to be a warped product

manuscripta mathematica, 2001
Given two pseudo-Riemannian manifolds \((B, g_B)\) and \((F, g_F)\), the product \(M = B\times F\) can be equipped with a metric \(g_M = f^2g_B \oplus b^2g_F\), where \(f, b:M\to\mathbb R\). Then, \((M, g_M)\) is called a double twisted product. If \(f = 1\), \((M, g_M)\) is just a twisted product.
Fernández-López, M., García-Río, E., Kupeli, D. N., Ünal, B.   +3 more
openaire   +2 more sources

Hypersurfaces in Warped Products

2016
A classical result of Alexandrov [10] states that a compact hypersurface with constant mean curvature embedded in Euclidean space must be a round sphere. The original proof is based on a clever use of the maximum principle for elliptic partial differential equations.
Luis J. Alías, Paolo Mastrolia, Marco Rigoli   +2 more
openaire   +1 more source

On warped product immersions

Journal of Geometry, 2005
In this paper the author studies some geometric properties of warped product immersions proving some geometric inequalities.
openaire   +2 more sources