Results 51 to 60 of about 119,565 (169)

Molecular Surface Estimation by Geometric Coupled Distance Functions

open access: yesIEEE Access, 2020
Estimating the surface from given atoms with location and size information is a fundamental task in many fields, such as molecular dynamics and protein analysis. In this paper, we present a novel method for such surface estimation. Our method is based on
Yuanhao Gong, Yong Chen
doaj   +1 more source

Precision measurement of the mean curvature

open access: yesPhysical Review D, 2006
7 pages accepted for publication in PRD. Final published version with more on how the curvature constraints depend on the technique used for measuring ...
openaire   +2 more sources

Ground state solutions for the Hénon prescribed mean curvature equation

open access: yesAdvances in Nonlinear Analysis, 2018
In this paper, we consider the analogous of the Hénon equation for the prescribed mean curvature problem in ℝN{{\mathbb{R}^{N}}}, both in the Euclidean and in the Minkowski spaces. Motivated by the studies of Ni and Serrin [W. M. Ni and J.
Azzollini Antonio
doaj   +1 more source

Spectral Prescribed Mean Curvature

open access: yesCoRR
We consider prescribed mean curvature equations whose solutions are minimal surfaces, constant mean curvature surfaces, or capillary surfaces. We consider both Dirichlet boundary conditions for Plateau problems and nonlinear Neumann boundary conditions for capillary problems and we consider domains in $\mathbf{R}^2$ to be rectangles, disks, or annuli.
Jonas Haug, Rachel Jewell, Ray Treinen
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Skew mean curvature flow

open access: yesCommunications in Contemporary Mathematics, 2019
The skew mean curvature flow (SMCF), which origins from the study of fluid dynamics, describes the evolution of a codimension two submanifold along its binormal direction. We study the basic properties of the SMCF and prove the existence of a short-time solution to the initial value problem of the SMCF of compact surfaces in Euclidean space [Formula ...
Song, Chong, Sun, Jun
openaire   +2 more sources

Cosmological meaning of geometric curvatures

open access: yesFilomat, 2020
In this paper, we analyzed the physical meaning of scalar curvatures for a generalized Riemannian space. It is developed the Madsen?s formulae for pressures and energy-densities with respect to the corresponding energy-momentum tensors. After that, the energy-momentum tensors, pressures, energy-densities and state-parameters are analyzed ...
openaire   +3 more sources

Rotational Hypersurfaces in S3(r)R Product Space

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2017
We consider rotational hypersurfaces in S3(r) R product space of five dimensional Euclidean space E5. We calculate the mean curvature and the Gaussian curvature, and give some results.
Erhan Güler, Ömer Kişi
doaj   +1 more source

Graphs with Parallel Mean Curvature [PDF]

open access: yesProceedings of the American Mathematical Society, 1989
We prove that if the graph Γ
openaire   +1 more source

Totally real surfaces in CP2 with parallel mean curvature vector

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1992
It has been shown that a totally real surface in CP2 with parallel mean curvature vector and constant Gaussian curvature is either flat or totally geodesic.
M. A. Al-Gwaiz, Sharief Deshmukh
doaj   +1 more source

Solutions to mean curvature equations in weighted standard static spacetimes

open access: yesElectronic Journal of Differential Equations, 2020
In this article, we study the solutions for the mean curvature equation in a weighted standard static spacetime, $\mathbb{P}_f^n\times_\rho\mathbb{R}_1$, having a warping function $\rho$ whose weight function f does not depend on the parameter $t\in ...
Henrique F. de Lima   +2 more
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