Paper develops min-max theory for CMC hypersurfaces.
problem Constructing constant mean curvature hypersurfaces.
method Min-max theory applied to arbitrary closed manifolds.
result Existence of nontrivial, smooth, closed, almost embedded CMC hypersurfaces.
New proof of Smale conjecture for RP^3 and lens spaces using min-max theory.
problem Proving the Smale conjecture for specific spaces.
method Minimal surfaces and min-max theory.
result New proof of Smale conjecture for RP3 and lens spaces. Proves multiplicity one for min-max minimal hypersurfaces in specific manifolds.
problem Proving multiplicity one for min-max minimal hypersurfaces in specific manifolds.
method Using min-max theory for hypersurfaces with prescribed mean curvature and approximating min-max values.
result Confirms a conjecture by Marques-Neves for min-max minimal hypersurfaces in bumpy metrics.
The paper solves min-max widths on a 3-sphere and strengthens multiplicity theorems.
problem Which min-max widths of the unit 3-sphere lie between 2π2 and 8π? method Homological min-max theory and stronger versions of multiplicity one theorems.
result Proves the 10th to 13th min-max widths of the unit 3-sphere lie between 2π2 and 8π. New Morse index bounds for min-max minimal hypersurfaces solved multiplicity problem.
problem Finding Morse index bounds for min-max minimal hypersurfaces.
method Advanced Min-max Theory for the area functional, including new Morse index bounds.
result First general Morse index bounds for min-max minimal hypersurfaces.
This research proves that two min-max theories for hypersurfaces are equivalent.
problem Comparing two min-max theories for hypersurfaces.
method Developed and proved the equivalence of Almgren-Pitts and Allen-Cahn min-max theories.
result The Almgren-Pitts widths and Allen-Cahn widths are equivalent.
The study proves a generic multiplicity one theorem for G-invariant minimal hypersurfaces.
problem Proving a generic multiplicity one theorem for G-invariant minimal hypersurfaces. method Equivariant min-max theory and analysis of G-homology classes. result Shows a generic multiplicity one theorem for G-invariant minimal hypersurfaces. Develops equivariant min-max theory for minimal surfaces in S^3.
problem Finding minimal surfaces in S^3 with specific symmetries.
method Equivariant min-max theory as proposed by Pitts-Rubinstein.
result Produces new and known minimal surfaces in S^3.
Proves min-max theory for constant geodesic curvature curves on closed surfaces.
problem Prescribing mean curvature on surfaces with constant geodesic curvature.
method Min-max theory applied to classify blowups and ensure almost embedded solutions.
result Produces a solution with constant geodesic curvature c on closed surfaces. Proves multiplicity one for boundary minimal hypersurfaces in compact manifolds.
problem Proving multiplicity one for min-max free boundary minimal hypersurfaces in compact manifolds with boundary.
method Developed existence and regularity theory for free boundary hypersurfaces with prescribed mean curvature, including Morse index bounds.
result Proved multiplicity one theorem for min-max free boundary minimal hypersurfaces in compact manifolds with boundary.
Paper improves Morse index bound for hypersurfaces.
problem Improving Morse index bound for hypersurfaces.
method Construction of hierarchical deformations and restrictive min-max theory.
result Generalizes a result by X. Zhou for 3≤n+1≤7. Constructs cmc doublings of minimal surfaces via min-max theory.
problem Construct cmc doublings of minimal surfaces.
method Uses min-max theory and catenoid estimate.
result Constructs ε-cmc doublings of Σ for small ε > 0.
Theory for capillary surfaces in 3-manifolds with smooth boundary.
problem Existence and multiplicity of capillary surfaces with given mean curvature and contact angle.
method Min-max theory applied to capillary surfaces in 3-manifolds.
result Existence of nontrivial, smooth, almost properly embedded surfaces with constant mean curvature and contact angle.
Generic min-max theory proves existence of hypersurfaces with specific mean curvature.
problem Proving existence of hypersurfaces with prescribed mean curvature for generic functions.
method Generic min-max theory applied to smooth prescription functions.
result Existence of nontrivial, smooth, closed hypersurfaces with specific mean curvature.
Theory proves existence of hypersurfaces with prescribed curvature.
problem Existence of hypersurfaces with prescribed mean curvature in noncompact manifolds.
method Developed min-max theory for noncompact manifolds.
result Proved existence of closed and finite area hypersurfaces.
Study confirms a 2-sphere metric with three geodesics of minimal length.
problem Understanding the systolic, width, and Gromov-Guth metrics on a 2-sphere.
method Classical min-max and hyperbolic geometry tools.
result Figure-eight geodesics achieve the systolic, width, and Gromov-Guth metrics on a 2-sphere.
Anisotropic min-max theory constructs stable minimal surfaces in 3-manifolds.
problem Constructing stable anisotropic minimal surfaces in 3-manifolds.
method Anisotropic min-max theory, removable singularity theorems.
result Constructs stable anisotropic minimal surfaces in 3-manifolds without singularities.
The paper develops a new min-max theory for minimal disks with free boundary.
problem Constructing minimal disks with free boundary in Riemannian manifolds.
method Develops a min-max theory using harmonic replacement and energy convexity.
result Established an effective version of partial Morse theory for minimal disks with free boundary.
Study min-max theory for hypersurfaces with boundary constraints.
problem Finding minimal hypersurfaces with boundary constraints.
method Schoen-Simon-type regularity result for integral varifolds, proving existence of closed hypersurfaces with specific properties.
result Existence of a closed C1,1 hypersurface with codimension ≥7 singular set in the interior. Extends phase transition theory to embedded minimal hypersurfaces.
problem Existence of embedded minimal hypersurfaces in compact manifolds.
method PDE-based min-max theory, borrowing ideas from minimal hypersurfaces theory.
result Proof of Almgren-Pitts theorem on embedded minimal hypersurfaces.
Study min-max hypersurface in positive Ricci curvature manifolds.
problem Characterize the properties of min-max hypersurface in positive Ricci curvature manifolds.
method Apply Almgren-Pitts-Schoen-Simon min-max theory, discretization theorem, and Morse theory.
result The min-max hypersurface is either orientable with Morse index one or a double cover of a non-orientable stable minimal hypersurface.
Sharp catenoid estimate prevents multiplicity in min-max theory.
problem Preventing multiplicity in min-max theory for catenoids.
method Proving a sharp area estimate for catenoids.
result The width of three-manifolds with positive Ricci curvature is realized by an orientable minimal surface.
In 1965, T. J. Willmore conjectured that the integral of the square of the mean curvature of a torus immersed in Euclidean three-space is at least 2π^2. We prove this conjecture using the min-max theory of minimal surfaces.
Investigates max width of unit volume 3-spheres in conformal classes.
problem Maximizing width of 3-spheres with fixed volume and conformal class.
method Simon-Smith min-max theory applied to Riemannian 3-spheres.
result Characterizes maximising metrics and how they change with conformal class.
Find geodesics with free boundary on submanifolds.
problem Finding geodesics with free boundary on submanifolds of Riemannian manifolds.
method Developed a modified Birkhoff curve shortening process and min-max theory for free boundary variational problems.
result Strong min-max approximation result for free boundary geodesics.
Freedman, He, and Wang, conjectured in 1994 that the Mobius energy should be minimized, among the class of all nontrivial links in Euclidean space, by the stereographic projection of the standard Hopf link. We prove this conjecture using the min-max theory of minimal surfaces.
The paper generalizes free boundary min-max theory to equivariant settings.
problem Existence of minimal hypersurfaces with free boundary in manifolds with boundary.
method Free boundary min-max theory generalized to equivariant settings.
result Existence of nontrivial smooth almost properly embedded G-invariant minimal hypersurfaces with free boundary. In this paper, we build up a min-max theory for minimal surfaces using sweepouts of surfaces of genus g≥2. We develop a direct variational methods similar to the proof of the famous Plateau problem by J. Douglas and T. Rado. As a result, we show that the min-max value for the area functional can be achieved by a …
Proves entropy conjecture for closed surfaces, improving on previous results.
problem Entropy of closed surfaces and its relation to self-shrinking surfaces.
method Min-max theory applied to Gaussian area functional in R^3.
result Entropy of all closed embedded 2-spheres is at least that of the self-shrinking two-sphere.
Paper proves Morse index of certain minimal hypersurfaces equals their homology class dimension.
problem Developing Morse theory for area functional.
method Proves Morse index of multiplicity one, smooth, min-max minimal hypersurfaces equals homology class dimension.
result Morse index equals homology class dimension generically.
The paper characterizes gaps in minimal foliations on tori using energy criteria.
problem Characterizing gaps in minimal foliations on tori.
method Introduced an energy to study min-max theory and applied it to Almgren-Pitts min-max theory.
result For a generic metric, if a lamination contains a gap, there exists a non-area-minimizing minimal hypersurface inside the gap.
Paper develops algorithms for solving non-convex non-concave problems with applications in GAN training.
problem Solving non-convex non-concave min-max saddle-point problems.
method Inexact proximal point method with strongly monotone mappings.
result First-order convergence to a nearly stationary solution of the original min-max problem.
Paper proves finiteness and Morse index estimates for equivariant min-max hypersurfaces.
problem Existence and finiteness of G-invariant minimal hypersurfaces. method Equivariant min-max theory, compactness theorem, bumpy metrics theorem.
result Generalization of Morse index estimates to equivariant setting.
I will talk about my recent work with Fernando Marques where we used Almgren-Pitts Min-max Theory to settle some open questions in Geometry: The Willmore conjecture, the Freedman-He-Wang conjecture for links (jointly with Ian Agol), and the existence of infinitely many minimal hypersurfaces in manifolds of positive Ric…
The paper finds infinitely many half-volume CMC hypersurfaces on generic or Ricci-positive manifolds.
problem Finding infinitely many half-volume constant mean curvature (CMC) hypersurfaces on manifolds.
method Developed a min-max theory for non-local functionals to prove the existence of these hypersurfaces.
result Infinitely many geometrically distinct CMC hypersurfaces enclosing half the volume of a manifold.
The paper constructs critical points of area using min-max method with penalization and viscosity.
problem Constructing critical points of minimal surface area using relaxed functional.
method Min-max construction with penalization and viscosity method.
result Critical points converge to smooth minimal immersions under entropy condition.
New minimal hypersphere found in 4-sphere solving Bernstein problem.
problem Spherical Bernstein problem in S4 method Equivariant min-max theory for G-invariant minimal hypersurfaces result Construction of embedded non-equatorial minimal hypersphere
The study finds a way to create minimal surfaces with specific shapes in 3-manifolds.
problem Creating minimal surfaces with prescribed genus in 3-manifolds with positive Ricci curvature.
method Develops a min-max theory and shows deformability of surfaces in a generic metric.
result Establishes a theorem for producing minimal surfaces with prescribed genus.
New self-expander found between two given asymptotic ones.
problem Finding new self-expanders between given asymptotic ones.
method Developed a min-max theory for asymptotically conical self-expanders of mean curvature flow.
result Existence of a new asymptotically conical self-expander trapped between two given ones.
Proves existence of Yamabe metrics on conical 4-manifolds using min-max method.
problem Existence of Yamabe metrics on conical 4-manifolds with singular points.
method Min-max scheme adapted to singular setting, leveraging recent positive mass theorems.
result Existence of Yamabe metrics on conical 4-manifolds with finitely-many singular points.
The paper bounds the min-max width of embedded circles on spheres and manifolds.
problem Bounding the min-max width of embedded circles on spheres and manifolds.
method Inducing a sweepout by pairs of points in embedded circles from a given sweepout of the sphere by closed curves.
result Lower bounds for the Birkhoff min-max invariant of a Riemannian sphere in terms of the min-max width of its embedded circles.
5 minimal tori found in 3-spheres with positive Ricci curvature.
problem Existence of at least 5 embedded minimal tori in 3-spheres with positive Ricci curvature.
method Combination of min-max theory and mean curvature flow heuristics.
result Confirms B. White's conjecture for positive Ricci curvature.
This paper proves the existence of smooth embedded minimal hypersurfaces with free boundary in compact manifolds with boundary.
problem Finding minimal hypersurfaces with free boundary in compact manifolds with boundary.
method Min-max theory, applied to compact manifolds with nonempty boundary.
result Existence of smooth embedded minimal hypersurfaces with free boundary in any compact smooth Euclidean domain.
New insights into gradient descent and ascent dynamics in min-max optimization.
problem Understanding the convergence and limit points of gradient descent and ascent methods in min-max optimization problems.
method Characterization of limit points using dynamical systems perspective for GDA and OGDA.
result Both GDA and OGDA dynamics avoid unstable critical points and have a superset of local min-max solutions.
The paper proves existence of special surfaces in 3D manifolds with constant curvature.
problem Existence of surfaces with constant anisotropic mean curvature.
method Min-max theory applied to elliptic integrands in 3D Riemannian manifolds.
result Existence of smooth surfaces with at most one singular point.
This paper proves infinitely many minimal hypersurfaces in closed manifolds.
problem Existence of infinitely many minimal hypersurfaces in closed manifolds.
method Min-max theory and methods developed by F. C. Marques and A. Neves.
result Proves a conjecture of S.-T. Yau about infinitely many smoothly embedded closed minimal hypersurfaces.
The study finds minimal hypersurfaces in wedge-shaped manifolds with boundary.
problem Finding minimal hypersurfaces in wedge-shaped manifolds with boundary.
method Developed a min-max theory for locally wedge-shaped manifolds with boundary.
result Proved existence of smooth free boundary minimal hypersurfaces in wedge-shaped manifolds.
The paper finds closed hypersurfaces with prescribed mean curvature in non-compact manifolds.
problem Finding closed hypersurfaces with prescribed mean curvature in non-compact manifolds.
method One-parameter prescribed mean curvature min-max theory.
result Closed hypersurfaces with prescribed mean curvature are found in certain non-compact manifolds.