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A closure theory is developed for inhomogeneous turbulent flow, which enables a systematic derivation of the turbulence constitutive relations without relying on any empirical parameters. Renormalized-perturbation approximation is performed…

流体动力学 · 物理学 2019-06-26 Taketo Ariki

In this paper we prove uniform regularity estimates for the normalized Gauss curvature flow in higher dimensions. The convergence of solutions in $C^\infty$-topology to a smooth strictly convex soliton as $t$ approaches to infinity is…

微分几何 · 数学 2013-06-05 Pengfei Guan , Lei Ni

We study translating soliton solutions to the flow by powers of the curvature of curves in the plane. We characterize these solitons as critical curves for functionals depending on the curvature. More precisely, translating solitons to the…

微分几何 · 数学 2022-11-10 Alvaro Pampano

We consider the mean curvature flow of entire Lagrangian graphs with Lipschitz continuous initial data. Assuming only a certain bound on the Lipschitz norm of an initial entire Lagrangian graph in $\R^{2n}$, we show that the parabolic…

微分几何 · 数学 2009-02-20 Albert Chau , Jingyi Chen , Weiyong He

In this paper, we obtain several classification results of $2$-dimensional complete Lagrangian translators and lagrangian self-expanders with constant squared norm $|\vec{H}|^{2}$ of the mean curvature vector in $\mathbb{C}^{2}$ by using a…

微分几何 · 数学 2024-05-24 Zhi Li , Guoxin Wei

We consider translating solitons to flows by positive powers $\alpha$ of the Gaussian curvature -- called $K^\alpha$-flows -- in Riemannian products $M\times\mathbb R.$ We prove that, when $M$ is the Euclidean space $\mathbb R^n,$ the…

微分几何 · 数学 2021-10-05 Ronaldo Freire de Lima

A $K^\alpha$-translator is a surface in Euclidean space $\r^3$ that moves by translations in a spatial direction and under the $K^\alpha$-flow, where $K$ is the Gauss curvature and $\alpha$ is a constant. We classify all…

微分几何 · 数学 2022-01-17 Muhittin Evren Aydin , Rafael López

By carrying out refined point-wise estimates for the mean curvature, we prove better rigidity theorems of Lagrangian and symplectic translating solitons.

微分几何 · 数学 2024-12-19 Hongbing Qiu

In this article we prove that a connected and properly embedded translating soliton in $\mathbb{R}^3$ with uniformly bounded genus on compact sets which is $C^1$-asymptotic to two planes outside a cylinder, either is flat or coincides with…

微分几何 · 数学 2016-02-16 Francisco Martin , Jesus Perez-Garcia , Andreas Savas-Halilaj , Knut Smoczyk

In this paper we study the classification of ancient convex solutions to the mean curvature flow in $\R^{n+1}$. An open problem related to the classification of type II singularities is whether a convex translating solution is…

微分几何 · 数学 2010-02-08 Xu-Jia Wang

The relativistic flux tube model is an effective description of confined quarks and gluons in which the confining interaction is carried by the flux tube, a Nambu-Goto string. We first show that the relativistic flux tube model can be…

高能物理 - 唯象学 · 物理学 2009-11-05 Fabien Buisseret , Vincent Mathieu , Claude Semay

In this paper, we study self-expanding solutions to a large class of parabolic inverse curvature flows by homogeneous symmetric functions of principal curvatures in Euclidean spaces. These flows include the inverse mean curvature flow and…

微分几何 · 数学 2018-06-19 Tsz-Kiu Aaron Chow , Ka-Wing Chow , Frederick Tsz-Ho Fong

There exist rotationally symmetric translating solutions to mean curvature flow that can be written as a graph over Euclidean space. This result is well-known. Its proof uses the symmetry and techniques from partial differential equations.…

微分几何 · 数学 2025-05-23 Hakar Raji , Oliver C. Schnürer

We study planar non-topological solitons in models with nonlinear potentials that are bounded from below. These models provide consistent completion for the classical consideration at any energy scale. The properties of our solutions…

高能物理 - 理论 · 物理学 2025-11-21 Yulia Galushkina , Eduard Kim , Emin Nugaev , Yakov Shnir

It is shown that Coulomb series are to be considered within a special mode of summation so as to describe bulk properties of crystals. The translational invariance is then an explicit integral property of Coulomb series that is tantamount…

软凝聚态物质 · 物理学 2007-05-23 Eugene V. Kholopov

We classify the translators to the mean curvature flow in the three-dimensional solvable group $Sol_3$ that are invariant under the action of a one-parameter group of isometries of the ambient space. In particular we show that $Sol_3$…

微分几何 · 数学 2019-07-18 Giuseppe Pipoli

We consider an expanding flow of smooth, closed, uniformly convex hypersurfaces in (n+1)-dimensional Euclidean space with speed fu^{alpha}{sigma}_k^{beta}, where u is the support function of the hypersurface, alpha, beta are two constants,…

微分几何 · 数学 2020-04-21 Weimin Sheng , Caihong Yi

Motivated by Ilmanen's correspondence, we present an explicit solution to the prescribed Hoffman-Osserman Gauss map problem for non-minimal translators to the mean curvature flow in Euclidean 4-space. We propose a conjecture on the…

微分几何 · 数学 2012-05-22 Hojoo Lee

We characterize all ruled translating solitons in Minkowski 3-space. In contrast to the Euclidean space, we find ruled translating solitons that are not cylindrical. These surfaces appear when the vector field that defines the rulings,…

微分几何 · 数学 2021-09-14 Muhittin Evren Aydin , Rafael Lopez

We consider the reflectionless transport of sine-Gordon solitons on a line. Transparent boundary conditions for the sine-Gordon equation on a line are derived using the so-called potential approach. Our numerical implementation of these…

可精确求解与可积系统 · 物理学 2020-11-30 K. K. Sabirov , J. R. Yusupov , M. Ehrhardt , D. U. Matrasulov