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We prove global existence of solutions to the initial value problem for a third order dispersive flow into compact locally Hermitian symmetric spaces. The equation we consider generalizes two-sphere-valued completely integrable systems…

Analysis of PDEs · Mathematics 2009-06-18 Eiji Onodera

We present a fully discrete convergent finite difference scheme for the Q-tensor flow of liquid crystals based on the energy-stable semi-discrete scheme by Zhao, Yang, Gong, and Wang (Comput. Methods Appl. Mech. Engrg. 2017). We prove…

Numerical Analysis · Mathematics 2022-05-27 Varun M. Gudibanda , Franziska Weber , Yukun Yue

We study the global existence and stability of surface diffusion flow (the normal velocity is given by the Laplacian of the mean curvature) of smooth boundaries of subsets of the $n$--dimensional flat torus. More precisely, we show that if…

Analysis of PDEs · Mathematics 2025-10-07 Antonia Diana , Nicola Fusco , Carlo Mantegazza

We revisit the well-known Curve Shortening Flow for immersed curves in the $d$-dimensional Euclidean space. We exploit a fundamental structure of the problem to derive a new global construction of a solution, that is, a construction that is…

Analysis of PDEs · Mathematics 2023-12-01 Patrick Guidotti

The famous thresholding scheme by Merriman, Bence, and Osher (Motion of multiple junctions: A level set approach. Journal of Computational Physics 112.2 (1994): 334-363.) proved itself as a very efficient time discretization of mean…

Analysis of PDEs · Mathematics 2025-08-13 Fabius Krämer

We prove that a complete, two-sided, stable minimal immersed hypersurface in $\mathbf{R}^{4}$ is flat.

Differential Geometry · Mathematics 2023-05-02 Otis Chodosh , Chao Li

In this work, we discuss the stability of Donaldson's flow of surfaces in a hyperk\"ahler 4-manifold. In \cite{WT2}, Wang and Tsai proved a uniqueness theorem and $C^1$ dynamic stability theorem of the mean curvature flow for minimal…

Differential Geometry · Mathematics 2026-01-07 Kuan-Hui Lee

The recent work of Morini-Oronzio-Spadaro and the third author shows that, in three dimensions, a flat-flow solution of the volume-preserving mean curvature flow that converges to a single ball, which is the case for instance when the…

Analysis of PDEs · Mathematics 2026-03-26 Vedansh Arya , Seongmin Jeon , Vesa Julin

We study a volume/area preserving curvature flow of hypersurfaces that are convex by horospheres in the hyperbolic space, with velocity given by a generic positive, increasing function of the mean curvature, not necessarly homogeneous. For…

Differential Geometry · Mathematics 2017-01-24 Maria Chiara Bertini , Giuseppe Pipoli

We define a new geometric flow, which we shall call the $K$-flow, on 3-dimensional Riemannian manifolds; and study the behavior of Thurston's model geometries under this flow both analytically and numerically. As an example, we show that an…

Differential Geometry · Mathematics 2023-11-02 Kezban Tasseten , Bayram Tekin

In this paper, we propose a new notion of Brakke inequality for volume preserving mean curvature flow. We show the existence of integral varifolds solving the flow globally-in-time in the corresponding Brakke sense using the phase field…

Analysis of PDEs · Mathematics 2025-05-30 Andrea Chiesa , Keisuke Takasao

On each compact, connected, orientable surface of genus greater than one we construct a class of flows without self-similarities.

Dynamical Systems · Mathematics 2011-06-03 Joanna Kułaga

We consider the Willmore flow equation for complete, properly immersed surfaces in Rn. Given bounded geometry on the initial surface, we extend the result by Kuwert and Sch\"atzle in 2002 and prove short time existence and uniqueness of the…

Differential Geometry · Mathematics 2024-01-25 Long-Sin Li

We are interested in simulating blood flow in arteries with variable elasticity with a one dimensional model. We present a well-balanced finite volume scheme based on the recent developments in shallow water equations context. We thus get a…

Numerical Analysis · Mathematics 2012-04-10 Olivier Delestre , Pierre-Yves Lagrée

We consider compressible fluid flow on an evolving surface with a piecewise Lipschitz-continuous boundary from an energetic point of view. We employ both an energetic variational approach and the first law of thermodynamics to make a…

Mathematical Physics · Physics 2022-12-20 Hajime Koba

We consider a diffused interface version of the volume-preserving mean curvature flow in the Euclidean space, and prove, in every dimension and under natural assumptions on the initial datum, exponential convergence towards single "diffused…

Analysis of PDEs · Mathematics 2024-07-29 Matteo Bonforte , Francesco Maggi , Daniel Restrepo

In this paper, we construct a well-balanced, positivity preserving finite volume scheme for the shallow water equations based on a continuous, piecewise linear discretization of the bottom topography. The main new technique is a special…

Numerical Analysis · Mathematics 2014-12-12 Andreas Bollermann , Guoxian Chen , Alexander Kurganov , Sebastian Noelle

In this paper we first obtain the existence of smooth solutions to Orlicz-Aleksandrov problem via a Gauss-like curvature flow.

Differential Geometry · Mathematics 2021-11-29 Bin Chen , Peibiao Zhao

We construct conservative analytic flows of zero metric entropy which satisfy the classical central limit theorem.

Dynamical Systems · Mathematics 2022-10-20 Dmitry Dolgopyat , Bassam Fayad , Adam Kanigowski

In this paper, we study 4-dimensional complete non-compact manifold with its curvature operator in $\mathfrak{C}_{\eta,\mu}$ via Ricci flow. We obtain topological and geometric gap theorems assuming such manifold has maximal volume growth.…

Differential Geometry · Mathematics 2026-05-12 Hongting Ding , Shaochuang Huang , Zhuo Peng