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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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83166248331 · Jun 202019922001200920172026
48 results for Min-Max Property

This study reveals a Min-Max property in LeNet's convolutional layers, enhancing adversarial robustness.

problem Uncertainty in the connection weights of convolutional layers in neural networks.
method Demonstrates the Min-Max property through back propagation-based training and a simplified convolution formulation.
result The Min-Max property improves adversarial robustness, indicating a stronger uncertainty in the model parameters.

A new method for fair PCA ensures balanced error across groups.

problem Balancing approximation error across different groups in multi-group data.
method Iterative method to compute fair principal components minimizing max group-wise reconstruction error.
result Preserves the containment property of standard PCA and reduces to standard PCA for single-group data.

In this work we prove the existence of embedded closed minimal hypersurfaces in non-compact manifolds containing a bounded open subset with smooth and strictly mean-concave boundary and a natural behavior on the geometry at infinity. For doing this, we develop a modified min-max theory for the area functional following…

2014-05-14abs ↗pdf ↗

The study counts minimal surfaces in 3-manifolds with positive Ricci curvature.

problem Counting minimal surfaces in 3-manifolds with positive Ricci curvature.
method An enumerative min-max theorem linking surface counts to topological properties.
result Every 3-sphere of positive Ricci curvature contains at least 4 embedded minimal surfaces of genus 2.

Optimizes solving complex min-max problems with stochastic and nonconvex elements.

problem Min-max problems with stochastic and nonconvex elements.
method Combines conic nonexpansiveness, refined inexact Halpern iteration, and multilevel Monte Carlo estimator.
result Optimal or best-known complexity guarantees for $ρ< rac{1}{L}$, improving previous results.

Wasserstein distributionally robust optimization estimators are obtained as solutions of min-max problems in which the statistician selects a parameter minimizing the worst-case loss among all probability models within a certain distance (in a Wasserstein sense) from the underlying empirical measure. While motivated by…

2019-06-04abs ↗pdf ↗

Proposes an efficient alternative to nonconvex-nonconcave min-max optimization.

problem Min-max optimization challenges in nonconvex-nonconcave settings.
method Introduces ε-greedy adversarial equilibrium model and proves its existence.
result Existence of ε-greedy adversarial equilibrium for smooth bounded functions.

Study proves properties of constant mean curvature hypersurfaces in high-dimensional spaces.

problem Properties of constant mean curvature hypersurfaces in high-dimensional spaces.
method Proves properties of constant mean curvature hypersurfaces using min-max procedure and surgery.
result Every tangent cone at each isolated singularity is area-minimising.

Equity-Transformer solves NP-hard min-max routing problems efficiently.

problem Min-max routing problems with multiple agents and large-scale applications.
method Sequential planning approach with Transformer and equitable workload distribution inductive biases.
result Significant runtime and cost reductions in min-max mTSP and min-max mPDP tasks.

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 2π22π^2 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 2π22π^2 and 8π.

Adaptive momentum method solves non-convex min-max problems.

problem Non-convex min-max optimization problems in training generative adversarial networks.
method Proposes an adaptive momentum algorithm for non-convex min-max optimization.
result Establishes non-asymptotic convergence rates for the proposed algorithm.

New methods solve min-max problems on manifolds using Riemannian Hamiltonians.

problem Min-max optimization on Riemannian manifolds.
method Riemannian Hamiltonian methods (RHM) to minimize the Hamiltonian function.
result RHM leads to correct search directions and global optimality in min-max problems.

Study properties of Black-Scholes equation solutions for puttable bonds with credit risk.

problem Properties of solutions to Black-Scholes equation for puttable bonds with credit risk.
method Solution representation, min-max estimation, gradient estimates, strict monotonicity analysis.
result Derivation of analytical pricing formulae for puttable bonds with credit risk.

We prove that in a closed manifold of dimension between 3 and 7 with a bumpy metric, the min-max minimal hypersurfaces associated with the volume spectrum introduced by Gromov, Guth, Marques-Neves, are two-sided and have multiplicity one. This confirms a conjecture by Marques-Neves. We prove that in a bumpy metric each…

2019-01-04abs ↗pdf ↗

We study global variational properties of the space of solutions to ε2Δu+W(u)=0-\varepsilon^2Δu + W'(u)=0 on any closed Riemannian manifold MM. Our techniques are inspired by recent advances in the variational theory of minimal hypersurfaces and extend a well-known analogy with the theory of phase transitions. First, we show t…

2016-08-23abs ↗pdf ↗

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.

In this paper, we study the shape of the min-max minimal hypersurface produced by Almgren-Pitts-Schoen-Simon \cite{AF62, AF65, P81, SS81} in a Riemannian manifold (Mn+1,g)(M^{n+1}, g) of positive Ricci curvature for all dimensions. The min-max hypersurface has a singular set of Hausdorff codimension 77. We characterize the …

2015-04-04abs ↗pdf ↗

The study proves a generic multiplicity one theorem for GG-invariant minimal hypersurfaces.

problem Proving a generic multiplicity one theorem for GG-invariant minimal hypersurfaces.
method Equivariant min-max theory and analysis of GG-homology classes.
result Shows a generic multiplicity one theorem for GG-invariant minimal hypersurfaces.

New Gaussian min-max theorem extends classical results to non-i.i.d. Gaussian matrices.

problem Extending classical Gaussian min-max theorems to non-i.i.d. Gaussian matrices.
method Identifying a new pair of Gaussian processes that satisfy comparison inequalities.
result New Gaussian min-max and convex Gaussian min-max theorems with applications in multi-source Gaussian regression and binary classification.

Generic density of equivariant min-max hypersurfaces in Riemannian manifolds.

problem Finding generic density of equivariant min-max hypersurfaces in Riemannian manifolds.
method Weyl asymptotic law for GG-equivariant volume spectrum, generic density result.
result Generic density of equivariant min-max hypersurfaces in Riemannian manifolds.

We characterize the Zoll Riemannian metrics on a given simply connected spin closed manifold as those Riemannian metrics for which two suitable min-max values in a finite dimensional loop space coincide. We also show that on odd dimensional Riemannian spheres, when certain pairs of min-max values in the loop space coin…

2018-09-23abs ↗pdf ↗

New geometric invariant from min-max width of spheres on Riemannian 2-spheres.

problem Understanding the min-max width of spheres associated to distance functions.
method Application of min-max methods to pairs of points on Riemannian 2-spheres.
result The min-max width does not always equal half the length of a simple closed geodesic.

Given a Riemannian manifold and a closed submanifold, we find a geodesic segment with free boundary on the given submanifold. This is a corollary of the min-max theory which we develop in this article for the free boundary variational problem. In particular, we develop a modified Birkhoff curve shortening process to ac…

2015-04-04abs ↗pdf ↗

In this paper, we develop a min-max theory for the construction of constant mean curvature (CMC) hypersurfaces of prescribed mean curvature in an arbitrary closed manifold. As a corollary, we prove the existence of a nontrivial, smooth, closed, almost embedded, CMC hypersurface of any given mean curvature cc. Moreover…

2017-07-25abs ↗pdf ↗

The study finds anisotropic minimal surfaces in 3-manifolds with smooth boundaries.

problem Finding smooth anisotropic minimal surfaces in closed 3-manifolds.
method Min-max construction with elliptic integrands, uniform upper bound for density ratios.
result Obtains a smooth anisotropic minimal surface in a closed 3-manifold.

In this paper, we study the shape of the min-max minimal hypersurface produced by Almgren-Pitts in \cite{A2}\cite{P} corresponding to the fundamental class of a Riemannian manifold (Mn+1,g)(M^{n+1}, g) of positive Ricci curvature with 2n62\leq n\leq 6. We characterize the Morse index, area and multiplicity of this min-max hyp…

2012-10-07abs ↗pdf ↗

We show that the sum of the Morse indices of the Willmore spheres realising the width of Willmore type sweep-outs is bounded by the number of the parameters of the min-max. As an application, we deduce that among the true Willmore spheres realising the min-max sphere eversion, at most one of them one has index 1, while…

2018-08-23abs ↗pdf ↗

Improved algorithms for convex-concave min-max optimization and monotone variational inequalities.

problem Efficiently solving constrained convex-concave min-max problems and monotone variational inequalities.
method Higher-order methods achieving iteration complexities of O(1/T^{ rac{p+1}{2}}) for p-th order derivatives.
result Achieved improved convergence rates for min-max and monotone variational inequalities.