Results 31 to 40 of about 255,201 (317)

A survey on Inverse mean curvature flow in ROSSes

open access: yesComplex Manifolds, 2017
In this survey we discuss the evolution by inverse mean curvature flow of star-shaped mean convex hypersurfaces in non-compact rank one symmetric spaces.
Pipoli Giuseppe
doaj   +1 more source

Mean Curvature Flow of Mean Convex Hypersurfaces [PDF]

open access: yesCommunications on Pure and Applied Mathematics, 2016
In the last 15 years, White and Huisken‐Sinestrari developed a far‐reaching structure theory for the mean curvature flow of mean convex hypersurfaces. Their papers provide a package of estimates and structural results that yield a precise description of singularities and of high‐curvature regions in a mean convex flow.In the present paper, we give a ...
Robert Haslhofer, Bruce Kleiner
openaire   +3 more sources

Local Capillary Pressure Estimation Based on Curvature of the Fluid Interface – Validation with Two-Phase Direct Numerical Simulations [PDF]

open access: yesE3S Web of Conferences, 2020
With the advancement of high-resolution three-dimensional X-ray imaging, it is now possible to directly calculate the curvature of the interface of two phases extracted from segmented CT images during two-phase flow experiments to derive capillary ...
Akai Takashi   +2 more
doaj   +1 more source

Is mean curvature flow a gradient flow?

open access: yes, 2023
It is well-known that the mean curvature flow is a formal gradient flow of the perimeter functional. However, by the work of Michor and Mumford [7,8], the formal Riemannian structure that is compatible with the gradient flow structure induces a degenerate metric on the space of hypersurfaces.
openaire   +2 more sources

Ancient solutions in Lagrangian mean curvature flow

open access: yes, 2020
Ancient solutions of Lagrangian mean curvature flow in C^n naturally arise as Type II blow-ups. In this extended note we give structural and classification results for such ancient solutions in terms of their blow-down and, motivated by the Thomas-Yau ...
Lambert, Ben   +2 more
core   +2 more sources

Complete Self-Shrinking Solutions for Lagrangian Mean Curvature Flow in Pseudo-Euclidean Space

open access: yesAbstract and Applied Analysis, 2014
Let f(x) be a smooth strictly convex solution of det(∂2f/∂xi∂xj)=exp(1/2)∑i=1nxi(∂f/∂xi)-f defined on a domain Ω⊂Rn; then the graph M∇f of ∇f is a space-like self-shrinker of mean curvature flow in Pseudo-Euclidean space Rn2n with the indefinite metric ...
Ruiwei Xu, Linfen Cao
doaj   +1 more source

Some Characterizations of Generalized Null Scrolls

open access: yesMathematics, 2019
In this work, a family of ruled surfaces named generalized null scrolls in Minkowski 3-space are investigated via the defined structure functions. The relations between the base curve and the ruling flow of the generalized null scroll are revealed.
Jinhua Qian   +2 more
doaj   +1 more source

Singular perturbations of mean curvature flow

open access: yesJournal of Differential Geometry, 2007
We introduce a regularization method for mean curvature flow of a submanifold of arbitrary codimension in the Euclidean space, through higher order equations. We prove that the regularized problems converge to the mean curvature flow for all times before the first singularity.
GIOVANNI BELLETTINI   +2 more
openaire   +9 more sources

Singularity Profile in the Mean Curvature Flow [PDF]

open access: yesMethods and Applications of Analysis, 2009
In this paper we study the geometry of first time singularities of the mean curvature flow. By the curvature pinching estimate of Huisken and Sinestrari, we prove that a mean curvature flow of hypersurfaces in the Euclidean space $\R^{n+1}$ with positive mean curvature is $ $-noncollapsing, and a blow-up sequence converges locally smoothly along a ...
Sheng, Weimin, Wang, Xu-Jia
openaire   +3 more sources

Home - About - Disclaimer - Privacy