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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

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48 results for Lagrangian translating solitons

Constructing translating solitons from Lagrangian Grim Reapers.

problem Creating Lagrangian translating solitons from intersections of Grim Reapers.
method Desingularizing intersections with special Lagrangian Lawlor necks.
result Constructing Lagrangian translating solitons with multiple ends and loops.

The paper examines translating solitons and their relation to Lagrangian mean curvature flows with zero Maslov class.

problem Understanding the behavior of Lagrangian translating solitons near Type II singularities.
method Analyzes necessary conditions for blow-up limits and applies to open questions.
result Provides a necessary condition for blow-up limits of Lagrangian mean curvature flows with zero Maslov class.

New Lagrangian and special Lagrangian examples found in complex space.

problem Constructing exact Lagrangian and special Lagrangian submanifolds with symmetries.
method Using an Ansatz generalizing Castro-Lerma's construction, with admissible compact and non-compact subgroups.
result Explicit examples of Lagrangian translators and special Lagrangians with various symmetries.

The paper proves rigidity theorems for Type II singularities in Lagrangian flows.

problem Understanding Type II singularities in Lagrangian flows with zero Maslov class.
method Rigidity theorems for blow-up limits of Type II singularities.
result Generalized previous results from 2D to arbitrary dimensions.

In this paper, we construct finite blow-up examples for symplectic mean curvature flows and we study properties of symplectic translating solitons. We prove that, the Kähler angle αα of a symplectic translating soliton with maxA=1\max |A|=1 satisfies that supα>π4TT+1\sup |α|>\fracπ{4}\frac{|T|}{|T|+1} where TT is the direction in…

2007-11-28abs ↗pdf ↗

In this paper, we investigate the parametric version and non-parametric version of rigidity theorem of spacelike translating solitons in pseudo-Euclidean space Rnm+n\mathbb{R}^{m+n}_{n}. Firstly, we classify mm-dimensional complete spacelike translating solitons in Rnm+n\mathbb{R}^{m+n}_{n} by affine technique and classical…

2018-04-18abs ↗pdf ↗

We prove an optimal control on the time-dependent measure of a measurable set under a reparametrized Lagrangian mean curvature flow of almost calibrated submanifolds in a Calabi-Yau manifold. Moreover we give a classification of those Lagrangian translating solitons in Cm\mathbb{C}^m that evolve by this reparametrized …

2018-01-22abs ↗pdf ↗

We consider the mean curvature flow of entire Lagrangian graphs with Lipschitz continuous initial data. Assuming only a certain bound on the Lipschitz norm of an initial entire Lagrangian graph in R2n\R^{2n}, we show that the parabolic equation \eqref{PMA} for the Lagrangian potential has a longtime solution which is sm…

2009-02-19abs ↗pdf ↗

In this paper, we construct various examples of Lagrangian mean curvature flows in Calabi-Yau manifolds, using moment maps for actions of abelian Lie groups on them. The examples include Lagrangian self-shrinkers and translating solitons in the Euclidean spaces. Moreover, our method can be applied to construct examples…

2017-02-28abs ↗pdf ↗

Classifies regularity for Lagrangian mean curvature type equations.

problem Classifying regularity for Lagrangian mean curvature type equations.
method Generalized constant rank theorem for Legendre transform, constructed convex solutions, and showed regularity conditions.
result Optimal regularity conditions for Lagrangian mean curvature type equations.

Paper proves stability and Dirichlet problem for translating hypersurfaces.

problem Stability and Dirichlet problem for translating hypersurfaces.
method Analyzes translating solitons in en+k e^{n+k}, proves stability conditions, and studies Dirichlet problem.
result Proves the infimum of mean curvature is zero for translating solitons and conditions for stability.

The paper proves nonexistence results for translating solitons in r-mean curvature flow.

problem Proving nonexistence of translating solitons in r-mean curvature flow.
method Establishing nonexistence results under suitable growth conditions on curvature and second fundamental form.
result Properly immersed translating solitons cannot be confined to certain half-spaces.

The study finds complete translating solitons for certain powers of Gaussian curvature in Riemannian products.

problem Exploring translating solitons in Riemannian products with powers of Gaussian curvature.
method Investigating KαK^α-flows in Riemannian products MimesRM imes\mathbb R for M=Rn,Sn,HFmM=\mathbb R^n, \mathbb S^n, \mathbb{H}_{\mathbb F}^m.
result Existence of complete rotational translating solitons for certain values of αα in MimesRM imes\mathbb R.

Study stabilizes translating solitons in hyperbolic space for MCF.

problem Stability of translating solitons in hyperbolic space.
method Developed theory, constructed rotationally invariant translators, used avoidance principle and maximum principle.
result Horospheres are dynamically stable as radial graphical solutions to MCF.

The paper shows translating solitons in R4\mathbb{R}^4 have SO(2)SO(2) symmetry.

problem Understanding the symmetry of translating solitons in R4\mathbb{R}^4.
method Analyzing the blow-up limits of embedded, mean convex mean curvature flow.
result Translating solitons in R4\mathbb{R}^4 have SO(2)SO(2) symmetry.

The paper proves convexity of certain solitons and expanders in high dimensions.

problem Proving convexity of specific solitons and expanders in Rn+1\mathbb{R}^{n+1}.
method Inspired by Spruck-Xiao and Derdziński, the paper uses geometric analysis to prove convexity.
result The paper proves the convexity of complete 2-convex translating and expanding solitons and expanders in Rn+1\mathbb{R}^{n+1} for n3n\geq 3.

Paper provides a formula for translating solitons and singular minimal surfaces.

problem Representing translating solitons and singular minimal surfaces in 3D space.
method Develops a Weierstrass representation formula.
result Solves a general Cauchy problem for the class of surfaces.

In this paper, we study entire spacelike translating solitons in Minkowski space. By constructing convex spacelike solutions to (1.3) in bounded convex domains, we obtain many entire smooth convex strictly spacelike translating solitons by prescribing boundary data at infinity.

2012-04-09abs ↗pdf ↗

In this paper, we prove a monotonicity formula and some Bernstein type results for translating solitons of hypersurfaces in $\re^{n+1}$, giving some conditions under which a trantranslating soliton is a hyperplane. We also show a gap theorem for the translating soliton of hypersurfaces in Rn+kR^{n+k}, namely, if the $L^n…

2014-05-13abs ↗pdf ↗

The paper studies minimal surface flow and translating solitons, proving global solutions and convergence.

problem Finding global solutions and convergence of minimal surface flow and translating solitons.
method Evolved surfaces over convex planar domains evolving by minimal surface flow, proving a priori estimates for translating solitons.
result Global solutions of minimal surface flow converge to translating solitons under suitable conditions.

Paper finds convexity in translating solitons for concave flows.

problem Understanding convexity in translating solitons for concave extrinsic flows.
method Analyzes convexity estimates for translating solitons evolving under concave functions in Rn+1\mathbb{R}^{n+1}.
result Establishes convexity estimates for translating solitons of concave extrinsic geometric flows.

Study classifies minimal surfaces and solitons in hyperbolic 3-space as translation surfaces.

problem Classifying minimal surfaces and solitons in hyperbolic 3-space.
method Investigates minimal surfaces and solitons to the mean curvature flow in hyperbolic three-space using specific product forms of curves.
result Provides classification results for minimal surfaces, hyperbolic translators, and conformal solitons.

The study classifies translating and self-expanding solitons in 3D space.

problem Characterizing the topology and index of solitons in mean curvature flow.
method Analyzing the spectrum and index of expanding and translating solitons in R3\mathbb{R}^3.
result Translating and self-expanding solitons have finite topology under certain conditions.

The paper classifies ruled surfaces in a specific space that move in a special way.

problem Understanding how surfaces move in a special space.
method Classifying ruled surfaces as translating solitons of inverse mean curvature flow.
result Existence of non-cylindrical ruled translating solitons.

The paper classifies special solitons and shrinkers in Euclidean space.

problem Characterizing special solitons and shrinkers in Euclidean space.
method Analyzing λλ-translating solitons and λλ-shrinkers with constant mean curvature.
result Planes, spheres, and circular cylinders are the only λλ-shrinkers and λλ-translating solitons with constant mean curvature.

Ancient solutions and translators identified for Lagrangian flow.

problem Characterizing ancient solutions and translators of Lagrangian mean curvature flow.
method Analyzing almost calibrated, exact, ancient solutions with specific geometric properties.
result All ancient solutions with entropy less than 3 are special Lagrangian, planes, or translators in \(\mathbb{C}^2\).

We study volume growth, entropy and stability for translating solitons of mean curvature flow. First, we prove that every complete properly immersed translator has at least linear volume growth. Then, by using Huisken's monotonicity formula, we compute the entropy of the grim reaper and the bowl solitons. We also give …

2016-12-15abs ↗pdf ↗

The paper classifies certain types of Lagrangian translators and self-expanders in complex 2-space.

problem Classifying Lagrangian translators and self-expanders in complex 2-space.
method Using a new Omori-Yau type maximum principle proved by Chen and Qiu.
result Several classification results of 2-dimensional complete Lagrangian translators and self-expanders.

The paper proves rigidity and vanishing theorems for translating solitons.

problem Understanding the properties of translating solitons in geometry.
method Using Sobolev inequalities and LqL^q-norms, the paper proves rigidity and vanishing theorems.
result Translating solitons are shown to be hypersurfaces under certain conditions.

Study classifies translating solitons in Minkowski 3-space, revealing singularities.

problem Classifying translating solitons in Minkowski 3-space.
method Introduced the concept of translating solitons on a light-like direction, classified them into graphical and invariant families.
result All time-like examples are incomplete and some have singularities.