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In this article we consider the Lagrangian mean curvature flow of compact, circle-invariant, almost calibrated Lagrangian surfaces in hyperk\"ahler 4-manifolds with circle symmetry. We show that this Lagrangian mean curvature flow can be…

微分几何 · 数学 2024-12-23 Jason D. Lotay , Goncalo Oliveira

In his paper `Conjectures on Bridgeland Stability', Joyce asked if one can desingularise the transverse intersection point of an immersed Lagrangian using JLT expanders such that one gets a Lagrangian mean curvature flow via the…

微分几何 · 数学 2025-09-16 Spandan Ghosh

We study singularities of Lagrangian mean curvature flow in $\C^n$ when the initial condition is a zero-Maslov class Lagrangian. We start by showing that, in this setting, singularities are unavoidable. More precisely, we construct…

微分几何 · 数学 2009-11-11 Andre' Neves

This article studies the mean curvature flow of Lagrangian submanifolds. In particular, we prove the following global existence and convergence theorem: if the potential function of a Lagrangian graph in T^{2n} is convex, then the flow…

微分几何 · 数学 2016-09-07 Knut Smoczyk , Mu-Tao Wang

Let $L_t$ be a zero Maslov, rational Lagrangian mean curvature flow in a compact Calabi-Yau surface, and suppose that at the first singular time a tangent flow is given by the static union of two transverse planes. We show that in this case…

微分几何 · 数学 2022-08-24 Jason D. Lotay , Felix Schulze , Gábor Székelyhidi

In this paper we study the short time existence problem for the (generalized) Lagrangian mean curvature flow in (almost) Calabi--Yau manifolds when the initial Lagrangian submanifold has isolated conical singularities modelled on stable…

微分几何 · 数学 2014-01-23 Tapio Behrndt

We review some recent results on the mean curvature flows of Lagrangian submanifolds from the perspective of geometric partial differential equations. These include global existence and convergence results, characterizations of first-time…

微分几何 · 数学 2011-04-19 Mu-Tao Wang

We prove regularity, global existence, and convergence of Lagrangian mean curvature flows in the two-convex case. Such results were previously only known in the convex case, of which the current work represents a significant improvement.…

微分几何 · 数学 2023-12-22 Chung-Jun Tsai , Mao-Pei Tsui , Mu-Tao Wang

Given any embedded Lagrangian on a four dimensional compact Calabi-Yau, we find another Lagrangian in the same Hamiltonian isotopy class which develops a finite time singularity under mean curvature flow. This contradicts a weaker version…

微分几何 · 数学 2012-05-09 André Neves

In this paper we investigate the singularities of Lagrangian mean curvature flows in $\mathbf{C}^m$ by means of smooth singularity models. Type I singularities can only occur at certain times determined by invariants in the cohomology of…

微分几何 · 数学 2015-05-11 Andrew A. Cooper

We prove the mean curvature flow of the graph of a symplectomorphism between Riemann surfaces converges smoothly as time approaches infinity.

微分几何 · 数学 2007-05-23 Mu-Tao Wang

We study the formation of singularities for the mean curvature flow of monotone Lagrangians in $\C^n$. More precisely, we show that if singularities happen before a critical time then the tangent flow can be decomposed into a finite union…

微分几何 · 数学 2007-05-23 Andre' Neves

We prove a Thomas--Yau-type conjecture for monotone Lagrangian tori satisfying a symmetry condition in the complex projective plane $\mathbb{CP}^2$. We show that such tori exist for all time under Lagrangian mean curvature flow with…

微分几何 · 数学 2022-02-15 Christopher G. Evans

In this paper, we construct solutions of Lagrangian mean curvature flow which exist and are embedded for all time, but form an infinite-time singularity and converge to an immersed special Lagrangian as $t\to\infty$. In particular, the flow…

微分几何 · 数学 2024-05-02 Wei-Bo Su , Chung-Jun Tsai , Albert Wood

We obtain explicit solutions of the mean curvature flow in some submanifolds of the Euclidean space. We give particularly an explicit solution of the flow of a hypersurface in the Lagrangian self-expander $L$ which is constructed in the…

微分几何 · 数学 2015-03-10 Hiroshi Nakahara

We consider the evolution by mean curvature flow of Lagrangian submanifolds of the complex projective space CP^n. We prove that, if the initial value satisfies a suitable pinching condition, then the flow exists for all times and the…

微分几何 · 数学 2013-12-09 Giuseppe Pipoli , Carlo Sinestrari

As part of his work on special Lagrangian (sLag) submanifolds with isolated conical singularities, Joyce proved a criterion for the existence of sLag smoothings, along a small variation of complex structure, for the union of two connected,…

微分几何 · 数学 2026-03-04 Jacopo Stoppa

We prove the existence of the flow by curvature of regular planar networks starting from an initial network which is non-regular. The proof relies on a monotonicity formula for expanding solutions and a local regularity result for the…

偏微分方程分析 · 数学 2018-02-21 Tom Ilmanen , André Neves , Felix Schulze

We establish a convergence result for the mean curvature flow starting from a totally real submanifold which is "almost minimal" in a precise, quantitative sense. This extends, and makes effective, a result of H. Li for the Lagrangian mean…

微分几何 · 数学 2024-05-21 Tristan C. Collins , Adam Jacob , Yu-Shen Lin

In this paper, we prove interior a priori estimates for singularities of the Lagrangian mean curvature flow assuming the Lagrangian phase is supercritical. We prove a Jacobi inequality that holds good when the Lagrangian phase is critical…

偏微分方程分析 · 数学 2025-04-25 Arunima Bhattacharya , Jeremy Wall
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