Results 81 to 90 of about 23,555 (114)

Shape and Scale in Quantifying Aortic Morphology Evolution and Chronicity. [PDF]

open access: yesCardiovasc Eng Technol
Pugar JA, Jiang D, Kim J, Pocivavsek L.
europepmc   +1 more source

The geometric evolution of aortic dissections: Predicting surgical success using fluctuations in integrated Gaussian curvature. [PDF]

open access: yesPLoS Comput Biol
Khabaz K   +16 more
europepmc   +1 more source

Optimal inequalities involving Casorati curvatures along Riemannian maps and Riemannian submersions for quaternionic space form

open access: yes
In this paper, we establish Casorati inequalities for Riemannian maps and Riemannian submersions involving quaternionic space forms, and we provide geometric characterisations of their equality cases. First, we derive Casorati inequalities for Riemannian maps to quaternionic space forms and describe the corresponding equality cases, showing that the ...
openaire   +2 more sources

Inequalities for the Casorati Curvatures of Slant Submanifolds in Quaternionic Space Forms [PDF]

open access: yesJournal of Inequalities and Applications, 2014
Abstract In this paper we prove two sharp inequalities that relate the normalized scalar curvature with the Casorati curvature for a slant submanifold in a quaternionic space form. Moreover, we show that in both cases, the equality at all points characterizes the invariantly quasi-umbilical submanifolds.
Gabriel-Eduard Vilcu   +2 more
exaly   +4 more sources

Optimal Inequalities for the Casorati Curvatures of Submanifolds in Generalized Space Forms Endowed With Semi-Symmetric Non-Metric Connections [PDF]

open access: yesSymmetry, 2016
In this paper, we prove some optimal inequalities involving the intrinsic scalar curvature and the extrinsic Casorati curvature of submanifolds in a generalized complex space form with a semi-symmetric non-metric connection and a generalized Sasakian space form with a semi-symmetric non-metric connection.
Hairong Liu, Guoqing He
exaly   +3 more sources

Inequalities for the Casorati Curvatures of Real Hypersurfaces in Some Grassmannians

open access: yesTaiwanese Journal of Mathematics, 2018
In this paper we obtain two types of optimal inequalities consisting of the normalized scalar curvature and the generalized normalized $δ$-Casorati curvatures for real hypersurfaces of complex two-plane Grassmannians and complex hyperbolic two-plane Grassmannians. We also find the conditions on which the equalities hold.
Kwang-Soon Park
exaly   +5 more sources

Inequalities for Casorati Curvatures of Submanifolds in Real Space Forms [PDF]

open access: yesAdvances in Geometry, 2016
Abstract Using Oprea’s optimization methods on submanifolds, we give another proof of the inequalities relating the normalized δ-Casoraticurvature δ ^
Zhang, Pan, Zhang, Liang
exaly   +3 more sources
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Inequalities for Riemannian Submersions Involving Casorati Curvatures: A New Approach

6th International Students Science Congress Proceedings Book, 2022
For surfaces in a Euclidean 3-space Casorati [4] introduced a new curvature in 1890 what is today called the Casorati curvature. This curvature was preferred by Casorati over Gauss curvature because Gauss curvature may vanish for surfaces that look intuitively curved, while Casorati curvature only vanishes at the planer points. The Casorati curvature
Gülistan Polat   +2 more
openaire   +1 more source

On $$\delta $$-Casorati curvature invariants of Lagrangian submanifolds in quaternionic Kähler manifolds of constant q-sectional curvature

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas, 2023
This article is about \(\delta\)-Casorati curvature invariants of Lagrangian submanifolds of quaternionic space forms. Let us explain these terms one by one, in reverse order. Let \((M,g,\mathcal Q)\) be a quaternionic Kähler manifold, where \(\mathcal Q\subset \mathrm{End}\,(TM)\) is the quaternionic structure bundle.
Mohd Aquib   +3 more
openaire   +1 more source

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