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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.

168,742 papers · 148 categories

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242485727969 · Jun 202019922001200920172026
48 results for stability problem

This paper analyzes stability and generalization of Markov chain stochastic gradient methods.

problem Analyzing stability and generalization of Markov chain stochastic gradient methods.
method Algorithmic stability in statistical learning theory.
result Established optimal generalization bounds for both smooth and non-smooth cases.

Solves Tian's stabilization problem for toric Fano manifolds.

problem Tian's stabilization problem for equivariant global log canonical thresholds.
method Expressed complex singularity exponents in terms of support and gauge functions from convex geometry.
result First general result on Tian's problem.

Paper shows stability of metric reconstruction for orbifolds from spectral data.

problem Determining the metric structure of collapsing orbifolds from spectral data.
method Improved quantitative unique continuation for wave operator on Riemannian manifolds.
result Quantitative stability of inverse problem for Riemannian orbifolds.

The study examines stability of Sobolev inequalities on manifolds with Ricci bounds.

problem Stability of Sobolev inequalities on Riemannian manifolds with Ricci curvature lower bounds.
method Combines techniques from smooth and non-smooth geometry, focusing on direct strategies.
result Effective methods revealed for stability of Sobolev inequalities on manifolds with non-negative Ricci curvature and Euclidean volume growth.

The paper presents a new method to create exotic 4-manifolds and surfaces that remain exotic after stabilization.

problem Stabilization of exotic 4-dimensional phenomena and knotted surfaces.
method Elementary approach to constructing exotic 4-manifolds and surfaces, including examples in closed, simply connected 4-manifolds.
result The construction yields exotic surfaces in the 4-ball that remain exotic after stabilization, detected by Khovanov homology.

This work explores the trade-offs between stability and accuracy in statistical estimation.

problem Understanding the statistical cost of algorithmic stability.
method Statistical decision-theoretic perspective, focusing on worst-case and average-case stability.
result Optimal stable estimators for mean estimation and regression settings are developed, revealing trade-offs between stability and accuracy.

The paper proves stability of Wulff shapes using anisotropic curvature functionals.

problem Stability of Wulff shapes under anisotropic curvature.
method Estimates distance to Wulff shape using LpL^{p}-norm of traceless FF-Hessian of a foliating function.
result Quantitative stability results for anisotropic inequalities and problems.

Study on stability of free boundary Willmore problem using new gradient inequality.

problem Stability of free boundary Willmore problem.
method New Łojasiewicz-Simon gradient inequality for functionals on infinite dimensional manifolds.
result Existence and convergence of solutions for the free boundary Willmore flow.

The paper analyzes stability and convergence rates of entropic and Sinkhorn potentials.

problem Stability and convergence rates of entropic and Sinkhorn potentials.
method Semiconcavity properties of entropic potentials and Schrödinger bridges.
result Exponential convergence rates for gradient and Hessian of Sinkhorn iterates.

Study stability of Einstein manifolds with boundary.

problem Stability of Einstein manifolds with geometric boundary conditions.
method Using Ricci flow and calculus of variations, analyze stability with respect to the Einstein-Hilbert action.
result Introduce a new subspace of tensors (TVg tensors) for stability condition due to boundary constraints.

Derives stability for curvature measure near constant density, proving dual Minkowski problem solutions.

problem Stability of curvature measure near constant density
method Derives stability result for curvature measure, proves existence and uniqueness of solutions to dual Minkowski problem.
result Existence and uniqueness of solutions to dual Minkowski problem for positive indices, stability result for curvature measure.

Investigates stability of Epstein-Zin problem under market distortions.

problem Stability of Epstein-Zin problem in incomplete markets.
method Analyzes perturbations in returns and volatility, and interest rate; proves convergence of optimal solutions.
result Proves convergence of optimal consumption streams and value functions in the limit of model perturbations.

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.

Paper analyzes stability and generalization of SCO algorithms.

problem Understanding how SCO algorithms perform on unseen data.
method Algorithmic stability analysis in statistical learning theory.
result Derives dimension-independent excess risk bounds for SCGD and SCSC.

Paper explores stability, regularization, and gradient flows for stochastic inverse problems.

problem Recovering random probability distributions from measurements.
method Direct inversion, variational formulation with regularization, and optimization via gradient flows.
result The choice of metric impacts stability and properties of the optimizer.

Stability result for a popular algorithm in optimal transport.

problem Stability of the Iterative Proportional Fitting Procedure in time and metric.
method Uniform stability analysis in the 1-Wasserstein metric.
result Quantitative stability result for entropy-regularized Optimal Transport and Schrödinger bridges.

We introduce the idea of *representation stability* (and several variations) for a sequence of representations V_n of groups G_n. A central application of the new viewpoint we introduce here is the importation of representation theory into the study of homological stability. This makes it possible to extend classical t…

2010-08-07abs ↗pdf ↗

Study stability of contingent claim solutions under probabilistic perturbations.

problem Stability of solutions to discrete-time contingent-claim problems under uncertainty.
method Use Rockafellian perturbations to analyze stability of solutions.
result Establishes convergence of dual problems and shadow prices.

Study stabilizes adversarial training in neural networks over infinite-dimensional spaces.

problem Stability issues in adversarial training of neural networks.
method Functional analysis of minimax optimization over infinite-dimensional spaces of continuous functions and probability measures.
result Convergence property of minimax problems under certain conditions, interpreted as stabilization techniques.

The paper examines stability of Yamabe boundary problem under perturbations.

problem Stability of Yamabe boundary problem under perturbations of mean curvature and scalar curvature.
method Analyzes stability of the Yamabe boundary problem with respect to perturbations of mean curvature and scalar curvature.
result The stability of the Yamabe boundary problem is proven under perturbations from below, but not from above.

Paper addresses travel time tomography stability and statistical inversion.

problem Determining conformal factors of metrics from geodesic lengths.
method Established forward and inverse stability estimates; applied to Bayesian statistical inversion.
result Consistency of statistical inversion technique for travel time tomography.

An introduction is provided to some current research trends in stability in geometric invariant theory and the problem of Kaehler metrics of constant scalar curvature. Besides classical notions such as Chow-Mumford stability, the emphasis is on several new stability conditions, such as K-stability, Donaldson's infinite…

2008-01-28abs ↗pdf ↗

Study on stability of geodesic maps in non-isotropic manifolds.

problem Stability of totally geodesic wave maps in non-isotropic manifolds.
method Factorization property, PDE system in geodesic normal coordinates, global existence result via hyperboloidal foliation.
result Established global existence for small initial data, leading to geometric stability.

Study on combustion theory solutions, proving nondegeneracy and stability in limit.

problem One-phase singular perturbation problem in combustion theory.
method Introduce density condition to preserve nondegeneracy, classify stable solutions.
result Global stable solutions have flat level sets in dimensions ≤ 4.

Study tackles inverse problems on low-dimensional manifolds, proving stability and proposing a reconstruction algorithm.

problem Inverse problems in infinite-dimensional spaces with nonlinear and ill-posed nature.
method Assumption of low-dimensional manifold, proving stability, proposing Landweber-type algorithm.
result Global convergence of the proposed algorithm, Lipschitz stability for specific inverse problems.

Study examines stability of image-reconstruction algorithms using variational regularization.

problem Stability and robustness of image-reconstruction algorithms in medical imaging.
method Review and novel stability results for p\ell_p-regularized linear inverse problems, focusing on p(1,)p\in(1,\infty).
result Guarantees Lipschitz continuity for small pp and Hölder continuity for larger pp in Lp(Ω)L_p(Ω) function spaces.

The paper studies K-stability of spherical varieties and their degenerations.

problem Understanding K-stability and degenerations of polarized spherical varieties.
method Reduction to a variational problem on the moment polytope, convexity constraint, and solving the HMA equation.
result Determines strict semistability and polystable degenerations for Fano spherical varieties of rank two.

Study shows stability of Schrödinger operator spectral data on a manifold.

problem Determining a manifold and potential function from spectral data.
method Approximation of spectral data on a subset to determine manifold and potential.
result Quantitative stability estimate for Schrödinger operator inverse problem.