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We prove that every entire self-shrinking solution on $\mathbb{C}^n$ to the K\"{a}hler-Ricci flow with strictly real convex potential must be quadratic. The very same argument also gives a pointwise proof for the rigidity of entire…

Differential Geometry · Mathematics 2016-10-31 Wenlong Wang

We show that (a) any entire graphic self-shrinking solution to the Lagrangian mean curvature flow in ${\mathbb C}^{m}$ with the Euclidean metric is flat; (b) any space-like entire graphic self-shrinking solution to the Lagrangian mean…

Differential Geometry · Mathematics 2010-03-18 Albert Chau , Jingyi Chen , Yu Yuan

We show that every entire self-shrinking solution on $\mathbb{C}^1$ to the K\"ahler-Ricci flow must be generated from a quadratic potential.

Differential Geometry · Mathematics 2016-10-25 Wenlong Wang

We show that every complete entire self-shrinking solution on complex Euclidean space to the Kahler-Ricci flow must be generated from a quadratic potential.

Differential Geometry · Mathematics 2013-06-03 Gregory Drugan , Peng Lu , Yu Yuan

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

In this paper, we obtain a rigidity result of $2$-dimensional complete lagrangian self-shrinkers with constant squared norm $|\vec{H}|^{2}$ of the mean curvature vector in the Euclidean space $\mathbb{R}^{4}$. The same idea is also used to…

Differential Geometry · Mathematics 2024-12-03 Zhi Li , Ruixin Wang , Guoxin Wei

The authors prove that the logarithmic Monge-Amp\`{e}re flow with uniformly bound and convex initial data satisfies uniform decay estimates away from time $t=0$. Then applying the decay estimates, we conclude that every entire classical…

Analysis of PDEs · Mathematics 2012-03-16 RongLi Huang , ZhiZhang Wang

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 paper, we prove some rigidity theorems for the entire 2-convex solutions of 2-Hessian equation in Euclidean space. As an application, we obtain a Bernstein type theorem for global special Lagrangian graphs.

Analysis of PDEs · Mathematics 2018-11-20 Li Chen , Ni Xiang

We prove rigidity of any properly immersed noncompact Lagrangian shrinker with single valued Lagrangian angle for Lagrangian mean curvature flows. Our pointwise approach also provides an ele- mentary proof to the known rigidity results for…

Analysis of PDEs · Mathematics 2017-09-19 Dongsheng Li , Yingfeng Xu , Yu Yuan

We prove that convex viscosity solutions to the quadratic Hessian inequality $\sigma_2(D^2u) \geq 1$ are strictly $2$-convex. As a consequence we obtain short proofs of smoothness and interior $C^2$ estimates for convex viscosity solutions…

Analysis of PDEs · Mathematics 2020-06-11 Connor Mooney

In this paper, employing a new inequality, we show that under certain curvature pinching condition, the strictly convex closed smooth self-similar solution of $\sigma_k^{\alpha}$-flow must be a round sphere. We also obtain a similar result…

Differential Geometry · Mathematics 2016-11-24 Shanze Gao , Hui Ma

This paper studies rigidity for immersed self-shrinkers of the mean curvature flow of surfaces in the three-dimensional Euclidean space $\mathbb{R}^3.$ We prove that an immersed self-shrinker with finite $L$-index must be proper and of…

Differential Geometry · Mathematics 2022-05-02 Hilário Alencar , Gregório Silva Neto , Detang Zhou

In this paper we prove rigidity results for two-dimensional, closed, immersed, non-necessarily convex, self-similar solutions of a wide class of fully non-linear parabolic flows in $\mathbb{R}^3$. We show this self-similar solutions are the…

Differential Geometry · Mathematics 2020-09-23 Hilário Alencar , Gregório Silva Neto , Detang Zhou

We prove that a complete solution to the Ricci flow on $M\times [-T, 0)$ which has quadratic curvature decay on some end of $M$ and converges locally smoothly to the end of a cone on that neighborhood as $t\nearrow 0$ must be a gradient…

Differential Geometry · Mathematics 2024-01-02 Brett Kotschwar

The purpose of this paper is to study complete self-shrinkers of mean curvature flow in Euclidean spaces. In the paper, we give a complete classification for 2-dimensional complete Lagrangian self-shrinkers in Euclidean space $\mathbb R^4$…

Differential Geometry · Mathematics 2018-05-10 Qing-Ming Cheng , Hiroaki Hori , Guoxin Wei

Self-shrinkers model singularities of the mean curvature flow; they are defined as the special solutions that contract homothetically under the flow. Colding-Ilmanen-Minicozzi showed that cylindrical self-shrinkers are rigid in a strong…

Differential Geometry · Mathematics 2019-08-06 Qiang Guang , Jonathan J. Zhu

It is our purpose to study complete self-shrinkers in Euclidean space. By introducing a generalized maximum principle for $\mathcal{L}$-operator, we give estimates on supremum and infimum of the squared norm of the second fundamental form…

Differential Geometry · Mathematics 2012-02-09 Qing-Ming Cheng , Yejuan Peng

In this paper, we study the deformed Hermitian-Yang-Mills equation on compact K\"ahler manifold with non-negative orthogonal bisectional curvature. We prove that the curvatures of deformed Hermitian-Yang-Mills metrics are parallel with…

Differential Geometry · Mathematics 2019-09-20 Xiaoli Han , Xishen Jin

We show that every general semiconvex entire solution to the sigma-2 equation is a quadratic polynomial. A decade ago, this result was shown for almost convex solutions.

Analysis of PDEs · Mathematics 2021-08-03 Ravi Shankar , Yu Yuan
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