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Hamiltonian stationary Lagrangians are Lagrangian submanifolds that are critical points of the volume functional under Hamiltonian deformations. They can be considered as a generalization of special Lagrangians or Lagrangian and minimal…

Differential Geometry · Mathematics 2010-01-22 Yng-Ing Lee

In this paper, we investigate the mean curvature flow of submanifolds of arbitrary codimension in $\mathbb{C}\mathbb{P}^m$. We prove that if the initial submanifold satisfies a pinching condition, then the mean curvature flow converges to a…

Differential Geometry · Mathematics 2016-05-26 Li Lei , Hongwei Xu

By the integral method we prove that any space-like entire graphic self-shrinking solution to Lagrangian mean curvature flow in $\R^{2n}_{n}$ with the indefinite metric $\sum_i dx_idy_i$ is flat. This result improves the previous ones in…

Differential Geometry · Mathematics 2011-12-13 Qi Ding , Y. L. Xin

An Anosov flow on a smooth three-manifold $M$ gives rise to a Liouville structure on $\mathbb{R} \times M$ by a construction of Mitsumatsu. In a recent paper, Cieliebak, Lazarev, Massoni and Moreno ask whether an embedded torus $\Sigma…

Dynamical Systems · Mathematics 2025-08-27 Francesco Ruscelli

We construct smooth mean curvature flows with surgery that approximate weak mean curvature flows with only spherical and neck-pinch singularities. This is achieved by combining the recent work of Choi-Haslhofer-Hershkovits, and…

Differential Geometry · Mathematics 2022-10-18 Joshua Daniels-Holgate

In this paper, we introduce and study the conformal mean curvature flow of submanifolds of higher codimension in the Euclidean space $\bbr^n$. This kind of flow is a special case of a general modified mean curvature flow which is of various…

Differential Geometry · Mathematics 2018-02-13 Xingxiao Li , Di Zhang

This is the second part of a series of papers analyzing the long-time behaviour of 3 dimensional Ricci flows with surgery. We generalize the methods developed in the first part and use them to treat cases in which the initial manifold…

Differential Geometry · Mathematics 2012-10-08 Richard H. Bamler

We study properly immersed ancient solutions of the codimension one mean curvature flow in $n$-dimensional Euclidean space, and classify the convex hulls of the subsets of space reached by any such flow. In particular, it follows that any…

Differential Geometry · Mathematics 2019-02-27 Francesco Chini , Niels Martin Møller

Inspired by the work of Leung-Wan, we study the mean curvature flow in hyperk\"ahler manifolds starting from hyper-Lagrangian submanifolds, a class of middle dimensional submanifolds, which contains the class of complex Lagrangian…

Differential Geometry · Mathematics 2020-05-06 Keita Kunikawa , Ryosuke Takahashi

In this survey, we will focus on the mean curvature flow theory with sphere theorems, and discuss the recent developments on the convergence theorems for the mean curvature flow of arbitrary codimension inspired by the Yau rigidity theory…

Differential Geometry · Mathematics 2020-04-29 Li Lei , Hong-Wei Xu

Via considerations of symplectic reduction, monodromy, mirror symmetry and Chern-Simons functionals, a conjecture is proposed on the existence of special Lagrangians in the hamiltonian deformation class of a given Lagrangian submanifold of…

Differential Geometry · Mathematics 2007-05-23 R. P. Thomas

Let $X$ be a toric variety and $u$ be a normalized symplectic potential of the corresponding polytope $P$. Suppose that the Riemannian curvature is bounded by 1 and $ \int_{\partial P} u ~ d \sigma < C_1, $ then there exists a constant…

Differential Geometry · Mathematics 2012-07-26 Hongnian Huang

We use bifurcation theory to show the existence of infinite sequences isometric embeddings of tori with constant mean curvature (CMC) in Euclidean spheres that are not isometrically congruent to the CMC Clifford tori, and accumulating at…

Differential Geometry · Mathematics 2010-11-25 Luis J. Alias , Paolo Piccione

We establish the longtime existence and convergence results of the mean curvature flow of entire Lagrangian graphs in Pseudo-Euclidean space which is related to Logarithmic gradient flow.

Analysis of PDEs · Mathematics 2010-03-12 R. L. Huang

We consider a class of Lagrangian sections $L$ contained in certain Calabi-Yau Lagrangian fibrations (mirrors of toric weak Fano manifolds). We prove that a form of the Thomas-Yau conjecture holds in this case: $L$ is Hamiltonian isotopic…

Differential Geometry · Mathematics 2025-05-22 Jacopo Stoppa

We prove a necessary and sufficient condition in terms of the barycenters of a collection of polytopes for existence of coupled K\"ahler-Einstein metrics on toric Fano manifolds. This confirms the toric case of a coupled version of the…

Differential Geometry · Mathematics 2019-10-30 Jakob Hultgren

Under mean radius of curvature flow, a closed convex surface in Euclidean space is known to expand exponentially to infinity. In the 3-dimensional case we prove that the oriented normals to the flowing surface converge to the oriented…

Differential Geometry · Mathematics 2021-01-21 Brendan Guilfoyle , Wilhelm Klingenberg

We show Bernstein type results for the entire self-shrinking solutions to Lagrangian mean curvature flow in $(\mathbb{R}^n\times\mathbb{R}^n, g_\tau)$. The proofs rely on a priori estimates and barriers construction.

Differential Geometry · Mathematics 2019-04-17 Rongli Huang , Qianzhong Ou , Wenlong Wang

In this article we reduce the geometric stability conjecture for the scalar torus rigidity theorem to the conformal case via the Yamabe problem. Then we are able to prove the case where a sequence of Riemannian manifolds is conformal to a…

Differential Geometry · Mathematics 2021-06-29 Brian Allen

We define an simple invariant of an embedded nullhomologous Lagrangian torus and use this invariant to show that many symplectic 4-manifolds have infinitely many pairwise symplectically inequivalent nullhomologous Lagrangian tori. We…

Symplectic Geometry · Mathematics 2014-11-11 Ronald Fintushel , Ronald J Stern
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