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We investigate for the first time the curve shortening flow in the metric-affine plane and prove that under simple geometric condition it shrinks a closed convex curve to a "round point" in finite time. This generalizes the classical result…

Differential Geometry · Mathematics 2020-03-24 Vladimir Rovenski

We consider the curve shortening flow applied to a class of figure-eight curves: those with dihedral symmetry, convex lobes, and a monotonicity assumption on the curvature. We prove that when (non-conformal) linear transformations are…

Analysis of PDEs · Mathematics 2024-07-17 Matei P. Coiculescu , Richard Evan Schwartz

We consider curve shortening flow of arbitrary codimension in an Euclidean background. We show that, close to a singularity, the flow is asymptotically planar, paralleling Altschuler's work in the case of space curves, and analyse the…

Differential Geometry · Mathematics 2023-04-06 Florian Litzinger

In this paper, we study curve shortening flows on rotational surfaces in $\mathbb{R}^3$. We assume that the surfaces have negative Gauss curvatures and that some condition related to the Gauss curvature and the curvature of embedded curve…

Differential Geometry · Mathematics 2022-03-02 Naotoshi Fujihara

This thesis presents three results in geometric analysis. We first analyze the curve-shortening flow on figure eight curves in the plane. Afterwards, we examine the point-wise curvature preserving flow on space curves. Lastly, we present an…

Differential Geometry · Mathematics 2025-04-03 Matei P. Coiculescu

We study the curve shortening flow on Riemann surfaces with finitely many conformal conical singularities. If the initial curve is passing through the singular points, then the evolution is governed by a degenerate quasilinear parabolic…

Differential Geometry · Mathematics 2026-05-28 Nikolaos Roidos , Andreas Savas-Halilaj

The behavior of the curve shortening flow has been extensively studied. Gage, Hamilton, and Grayson proved that, under the curve shortening flow, an embedded closed curve in the Euclidean plane becomes convex after a finite time and then…

Differential Geometry · Mathematics 2024-10-14 Naotoshi Fujihara

We formulate a uniqueness conjecture for curve shortening flow of proper curves on certain symmetric surfaces and give an example of a non-flat metric on the plane with respect to which curve shortening flow is not unique. That is, with…

Differential Geometry · Mathematics 2022-05-10 Luke Thomas Peachey

We consider embedded, smooth curves in the plane which are either closed or asymptotic to two lines. We study their behaviour under curve shortening flow with a global forcing term. Firstly, we prove an analogue to Huisken's distance…

Differential Geometry · Mathematics 2021-05-18 Friederike Dittberner

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

In this paper we consider the anisotropic curve shortening flow in the plane in the presence of an ambient force. We consider force fields in which all their derivatives are bounded in the $L^{\infty}$ sense. We prove that closed embedded…

Analysis of PDEs · Mathematics 2024-11-18 Sam Cuthbertson , Glen Wheeler , Valentina-Mira Wheeler

We show that any smooth closed immersed curve in $\mathbb R^n$ with a one-to-one convex projection onto some $2$-plane develops a Type~I singularity and becomes asymptotically circular under Curve Shortening flow in $\mathbb R^n$. As an…

Differential Geometry · Mathematics 2026-05-22 Qi Sun

Recently, there are a great deal of work done which connects the Legendrian isotopic problem with contact invariants. The isotopic problem of Legendre curve in a contact 3-manifold was studies via the Legendrian curve shortening flow which…

Differential Geometry · Mathematics 2023-06-07 Shu-Cheng Chang , Yingbo Han , Chin-Tung Wu

This article gives an alternative approach to the self-shrinking and self-expanding solutions of the curve shortening flow, which are related to singularity formation of the mean curvature flow. The motivation for the self-similar solutions…

Differential Geometry · Mathematics 2015-11-13 Márcio Rostirolla Adames

We show that under Space Curve Shortening flow any closed immersed curve in $\mathbb R^n$ whose projection onto $\mathbb{R}^2\times\{\vec{0}\}$ is convex remains smooth until it shrinks to a point. Throughout its evolution, the projection…

Differential Geometry · Mathematics 2024-10-29 Qi Sun

Space curve motion describes dynamics of material defects or interfaces, can be found in image processing or vortex dynamics. This article analyses some properties of space curves evolved by the curve shortening flow. In contrast to the…

Differential Geometry · Mathematics 2022-12-23 Jiří Minarčík , Michal Beneš

We show some results for the $L^2$ curvature flow linked by the theme of addressing collapsing phenomena. First we show long time existence and convergence of the flow for $SO(3)$-invariant initial data on $S^3$, as well as a long time…

Differential Geometry · Mathematics 2013-01-30 Jeff Streets

We consider a network in the Euclidean plane that consists of three distinct half-lines with common start points. From that network as initial condition, there exists a network that consists of three curves that all start at one point,…

Differential Geometry · Mathematics 2007-05-23 Oliver C. Schnürer , Felix Schulze

The paper studies a curvature flow linked to the physical phenomenon of wound closure. Under the flow we show that a closed, initially convex or close-to-convex curve shrinks to a round point in finite time. We also study the singularity,…

Differential Geometry · Mathematics 2018-02-13 Shuhui He , Glen Wheeler , Valentina-Mira Wheeler

In this paper, we deal with an inverse curvature flow of $\ell$-convex Legendre curves. Since the Legendre curve is a natural generalization of regular curve, the flow is a generalization of the classical inverse curvature flow of regular…

Analysis of PDEs · Mathematics 2025-10-07 Takashi Kagaya , Masatomo Takahashi
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