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Related papers: Uniqueness of Lagrangian Self-Expanders

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We construct new examples of special Lagrangian submanifolds $Y\subset \mathbf{C}^{n+1}$, $n\geq 3$ in a neighborhood of the origin, with an isolated singularity, but with cylindrical tangent cone $C\times\mathbf{R}$. Moreover,…

Differential Geometry · Mathematics 2026-04-24 Guoran Ye

We prove that a real Lagrangian submanifold in a closed symplectic manifold is unique up to cobordism. We then discuss the classification of real Lagrangians in $\mathbb{C} P^2$ and $S^2\times S^2$. In particular, we show that a real…

Symplectic Geometry · Mathematics 2020-03-19 Joontae Kim

We prove two main results: (a) Suppose $L$ is a closed, embedded, exact special Lagrangian $m$-fold in ${\mathbb C}^m$ for $m\ge 3$ asymptotic at infinity to the union $\Pi_1\cup\Pi_2$ of two transverse special Lagrangian planes…

Symplectic Geometry · Mathematics 2016-04-06 Yohsuke Imagi , Dominic Joyce , Joana Oliveira dos Santos

Let SO(n) act in the standard way on C^n and extend this action in the usual way to C^{n+1}. It is shown that a nonsingular special Lagrangian submanifold L in C^{n+1} that is invariant under this SO(n)-action intersects the fixed line C in…

Differential Geometry · Mathematics 2008-01-01 Robert L. Bryant

We construct many self-similar and translating solitons for Lagrangian mean curvature flow, including self-expanders and translating solitons with arbitrarily small oscillation on the Lagrangian angle. Our translating solitons play the same…

Differential Geometry · Mathematics 2010-02-03 Dominic Joyce , Yng-Ing Lee , Mao-Pei Tsui

We show that if an exact special Lagrangian $N\subset \mathbb{C}^n$ has a multiplicity one, cylindrical tangent cone of the form $\mathbb{R}^{k}\times \mathbf{C}$ where $\mathbf{C}$ is a special Lagrangian cone with smooth, connected link,…

Differential Geometry · Mathematics 2022-08-05 Tristan C. Collins , Yang Li

Let $C$ be an $m$-dimensional cone immersed in $\mathbb{R}^{n+m}$. In this paper, we show that if $F:M^m \rightarrow \mathbb{R}^{n+m}$ is a properly immersed mean curvature flow self-shrinker which is smoothly asymptotic to $C$, then it is…

Differential Geometry · Mathematics 2023-06-21 Ilyas Khan

We establish an $h$-principle for exact Lagrangian immersions with transverse self-intersections and the minimal, or near-minimal number of double points. One corollary of our result is that any orientable closed 3-manifold admits an exact…

Symplectic Geometry · Mathematics 2013-07-03 Tobias Ekholm , Yakov Eliashberg , Emmy Murphy , Ivan Smith

We present a new and simpler proof of the fact that any Lagrangian $\mathbb{R}P^2$ in $T^*\mathbb{R}P^2$ is Hamiltonian isotopic to the zero section. Our proof mirrors the one given by Li and Wu for the Hamiltonian uniqueness of Lagrangians…

Symplectic Geometry · Mathematics 2024-01-09 Nikolaos Adaloglou

In this paper, we obtain a classification theorem of $2$-dimensional complete Lagrangian self-expanders with constant squared norm of the second fundamental form in $\mathbb C^{2}$.

Differential Geometry · Mathematics 2023-12-07 Zhi Li , Guoxin Wei

Solutions to special Lagrangian equations near infinity, with supercritical phases or with semiconvexity on solutions, are known to be asymptotic to quadratic polynomials for dimension $n\ge 3$, with an extra logarithmic term for $n=2$. Via…

Analysis of PDEs · Mathematics 2025-01-09 Qing Han , Ilya Marchenko

Given a Lagrangian sphere in a symplectic 4-manifold $(M, \omega)$ with $b^+=1$, we find embedded symplectic surfaces intersecting it minimally. When the Kodaira dimension $\kappa$ of $(M, \omega)$ is $-\infty$, this minimal intersection…

Symplectic Geometry · Mathematics 2016-01-20 Tian-Jun Li , Weiwei Wu

We study special Lagrangian cones in $\C^n$ with isolated singularities. Our main result constructs an infinite family of special Lagrangian cones in $\C^3$ each of which has a toroidal link. We obtain a detailed geometric description of…

Differential Geometry · Mathematics 2007-05-23 Mark Haskins

We show that, up to Lagrangian isotopy, there is a unique Lagrangian torus inside each of the following uniruled symplectic four-manifolds: the symplectic vector space $\mathbb{R}^4$, the projective plane $\mathbb{C}P^2$, and the monotone…

Symplectic Geometry · Mathematics 2016-11-08 Georgios Dimitroglou Rizell , Elizabeth Goodman , Alexander Ivrii

Given a compact smooth totally real immersed $n$-submanifold $M\subset\mathbb C^n$ with only finitely many transverse double points, it is known that if $M$ is Lagrangian with respect to some K{\"a}hler form on $\mathbb C^n$, then it is…

Complex Variables · Mathematics 2025-11-20 Purvi Gupta , Rudranil Sahu

Mironov, Panov and Kotelskiy studied Hamiltonian-minimal Lagrangians inside $\mathbb{C}^n$. They associated a closed embedded Lagrangian $L$ to each Delzant polytope $P$. In this paper we develop their ideas and prove that $L$ is monotone…

Symplectic Geometry · Mathematics 2022-09-07 Vardan Oganesyan

For a broad class of symplectic manifolds of dimension at least six, we find the following new phenomenon: there exist local exotic Lagrangian tori. More specifically, let $X$ be a geometrically bounded symplectic manifold of dimension at…

Symplectic Geometry · Mathematics 2024-12-17 Joé Brendel

Given a smooth compact Riemannian manifold $M$ and a Hamiltonian $H$ on the cotangent space $T^*M$, strictly convex and superlinear in the momentum variables, we prove uniqueness of certain ergodic invariant Lagrangian graphs within a given…

Dynamical Systems · Mathematics 2010-12-13 Albert Fathi , Alessandro Giuliani , Alfonso Sorrentino

In this paper we prove a conjecture regarding the form of the Born-Infeld Lagrangian with a U(1)^2n gauge group after the elimination of the auxiliary fields. We show that the Lagrangian can be written as a symmetrized trace of Lorentz…

High Energy Physics - Theory · Physics 2009-10-31 Paolo Aschieri , Daniel Brace , Bogdan Morariu , Bruno Zumino

We construct families of imaginary special Lagrangian cylinders near transverse Maslov index $0$ or $n$ intersection points of positive Lagrangian submanifolds in a general Calabi-Yau manifold. Hence, we obtain geodesics of open positive…

Symplectic Geometry · Mathematics 2026-05-05 Jake P. Solomon , Amitai M. Yuval
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