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arXiv research

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.

168,657 papers · 148 categories

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240479719958 · Jun 202019922001200920172026
48 results for minimal sets

Paper proves existence of area-minimizing submanifolds on almost any manifold with fractal singular sets.

problem Existence of area-minimizing submanifolds with fractal singular sets.
method Constructing and proving existence on almost any smooth manifold.
result Existence of area-minimizing submanifolds with fractal singular sets on almost any smooth manifold.

Proves a function's locally least gradient property if its level sets are minimal laminations.

problem Understanding the relationship between 1-harmonic functions and minimal laminations.
method Analyzes minimal laminations and their convergence properties, then applies to 1-harmonic functions.
result Proves a function is 1-harmonic if its level sets are minimal laminations.

The paper proves removable singularity for nonlocal minimal graphs.

problem Proving removable singularities for nonlocal minimal graphs.
method Analyzing (s,1)(s, 1)-capacity zero compact sets to ensure graphs are minimal in the entire domain.
result Nonlocal minimal graphs are removable in the entire domain if they are minimal in a set of (s,1)(s, 1)-capacity zero.

Minimal sets of moves for isotopic knots and trivalent graphs identified.

problem Identifying minimal sets of moves for isotopic knots and trivalent graphs.
method Provided and proved the existence of minimal generating sets of oriented Reidemeister moves for isotopic knots and spatial trivalent graphs.
result Twelve minimal generating sets of oriented Reidemeister moves for isotopic knots and ten for spatial trivalent graphs identified.

A mean-convex set can be regarded as a barrier for the construction of minimal surfaces. Namely, if we are given a mean-convex set and a null-homotopic Jordan curve on its boundary, then there exists an embedded minimal disk with boundary the given curve contained in the starting mean-convex set. Does a mean-convex set…

2011-12-19abs ↗pdf ↗

Proof shows smooth minimal hypersurfaces for perimeter-minimizing sets in low-dimensional Riemannian manifolds.

problem Finding sets of least perimeter in Riemannian manifolds.
method Short proof using de Giorgi and Miranda's tradition in flat space.
result Reduced boundary of least perimeter sets is a smooth minimal hypersurface in low dimensions.

Paper finds formulas for minimizing perimeter in special spaces, proving key dimensions and existence.

problem Understanding the structure of perimeter minimizing sets in specific metric spaces.
method Established a monotonicity formula and proved rigidity for perimeter minimizers in RCD(0,N) spaces.
result Sharp Hausdorff dimension estimates for singular strata and existence of blow-down cones.

Regret minimization is a powerful tool for solving large-scale problems; it was recently used in breakthrough results for large-scale extensive-form game solving. This was achieved by composing simplex regret minimizers into an overall regret-minimization framework for extensive-form game strategy spaces. In this paper…

2018-11-06abs ↗pdf ↗

The paper examines perimeter minimizing sets in curved spaces and finds conditions for their boundary to match a specific structure.

problem Conditions for perimeter minimizing sets in curved spaces to have a boundary matching a product structure.
method Analyzes Riemannian manifolds with non-negative sectional curvature and quadratic volume growth.
result The boundary of a perimeter minimizing set in such manifolds is identified with a slice in the product structure.

Perturbs area-minimizing hypersurfaces to reduce singular set's dimension.

problem Reduces the dimension of the singular set of area-minimizing hypersurfaces.
method Perturbs a smooth hypersurface to minimize the Minkowski dimension of the singular set.
result The singular set of the perturbed minimizing current has Minkowski dimension less than n-9.

Perimeter minimizers in curved spaces have a singular set no more than 5 dimensions.

problem Understanding the structure of minimizers in spaces with bounded Ricci curvature.
method Analysis of non-collapsed Ricci limit spaces with two-sided curvature bounds.
result The Hausdorff dimension of the singular set is at most \(N-5\).

The paper finds minimal generating sets and abelianizes the quasitoric braid group.

problem Understanding the structure of quasitoric braids and their subgroup properties.
method Provided two minimal generating sets and determined the abelianization.
result Minimal generating sets and abelianization of the quasitoric braid group were determined.

Study shows zero level sets of solutions to Allen-Cahn equation are minimal surfaces with zero mean curvature.

problem Understanding phase transitions through entire solutions of the Allen-Cahn equation.
method Proving minimality of the zero level set with respect to a perimeter functional with density and showing zero mean curvature.
result The zero level set of entire solutions of the Allen-Cahn equation has zero mean curvature and is minimal.

The horocyclic flow on geometrically infinite surfaces shows recurrent irregular orbits or non-minimal closures.

problem Complex dynamics of horocyclic flow on geometrically infinite surfaces.
method Analyzing the recurrence and minimality of irregular orbits.
result Irregular orbits are recurrent or have non-hRh_{\mathbb{R}} minimal closures.

Paper solves the minimal generating set problem for singular Reidemeister moves.

problem Determine minimal generating sets of oriented singular Reidemeister moves.
method Introduced new invariant for singular links to detect type IV moves and provide obstructions.
result Proved exactly 96 distinct inclusion-minimal generating sets for singular moves.

Optimal decision-making using prediction sets to minimize risk.

problem Using prediction sets optimally for decision-making in uncertain scenarios.
method Decision-theoretic framework that seeks to minimize expected loss against a worst-case distribution.
result ROCP algorithm reduces critical mistakes compared to baselines, especially in costly out-of-set errors.

Optimal regularity theory for stable minimal hypersurfaces with small singular set.

problem Optimal regularity of stable minimal hypersurfaces with small singular set.
method Analysis of stable minimal hypersurfaces in a specific domain with small singular set.
result Optimal size assumption on the non-immersed singular set guarantees optimal regularity.

A behavior of extreme networks under deformations of their boundary sets is investigated. It is shown that analyticity of a deformation of boundary set guarantees preservation of the networks types for minimal spanning trees, minimal fillings and so-called stable shortest trees in the Euclidean space.

2015-06-23abs ↗pdf ↗

Some elementary considerations are presented concerning Catenoids and their stability, separable minimal hypersurfaces, minimal surfaces obtainable by rotating shapes, determinantal varieties, minimal tori in S3, the minimality in Rnk of the ordered set of k orthogonal equal-length n-vectors, and U(1)-invariant minimal…

2019-03-28abs ↗pdf ↗

The main result of this paper is a characterization of the minimal surface hull of a compact set KK in R3\mathbb R^3 by sequences of conformal minimal discs whose boundaries converge to KK in the measure theoretic sense, and also by 22-dimensional minimal currents which are limits of Green currents supported by conf…

2014-09-24abs ↗pdf ↗

New limits of minimal surface systems have surprising large interior parts.

problem Minimal surface system limits with large interior vertical and non-minimal portions.
method Construction of limits with smallest possible dimension and codimension.
result Limits of minimal surface systems can have surprising large interior parts.

The paper proves prevalent existence and partially determines moduli space of area-minimizing surfaces with fractal singular sets.

problem Existence and moduli space of area-minimizing surfaces with fractal singular sets.
method Proof of prevalent existence, determination of moduli space, refinement of strata.
result Sharp results on moduli space and refinement of strata, showing fractal singularities do not completely dissolve under generic perturbations.

Smooth minimizing hypersurfaces in 11D are generic, with singularities in higher dimensions.

problem Finding smooth minimizing hypersurfaces in high dimensions.
method Analyzing the Plateau problem and area minimization in integral homology.
result Smooth minimizing hypersurfaces are generic in 11D, with singularities in higher dimensions.

Polyak proved that the set {Ω1a,Ω1b,Ω2a,Ω3a}\{\Omega1a,\Omega1b,\Omega2a,\Omega3a\} is a minimal generating set of oriented Reidemeister moves. One may distinguish between forward and backward moves, obtaining 3232 different types of moves, which we call directed oriented Reidemeister moves. In this article we prove that the set of $…

2016-01-04abs ↗pdf ↗

DPSM minimizes prediction set size by integrating conformal principles into deep classifier training.

problem Large prediction sets from standard conformal methods are impractical.
method Formulates conformal training as bilevel optimization, proposing DPSM algorithm.
result Significantly reduces prediction set size compared to prior methods.

In this paper we develop methods to extend the minimal hypersurface approach to positive scalar curvature problems to all dimensions. This includes a proof of the positive mass theorem in all dimensions without a spin assumption. It also includes statements about the structure of compact manifolds of positive scalar cu…

2017-04-18abs ↗pdf ↗

This paper determines a minimal generating set and abelianization of a specific subgroup of SL(n,Z).

problem Understanding the structure of the level d principal congruence subgroup of SL(n,Z).
method Direct computation and theorems about the subgroup without relying on previous results.
result A minimal generating set and abelianization of the level d principal congruence subgroup of SL(n,Z).

New method improves smoothness of minimizing currents near singular points.

problem Improving smoothness of minimizing currents near singular points.
method New method to estimate the full singular set of the foliation by minimizers and proof of superlinear decay of closeness.
result Generic smoothness of minimizers improved to n9εnn-9-\varepsilon_n for n11n \geq 11.