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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.

169,236 papers · 148 categories

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68135203270 · May 202619922001200920182026
48 results for position stabilization

We show that if a contact open book (Σ,h)(Σ,h) on a (2n+1)(2n+1)-manifold MM (n1n\geq1) is induced by a Lefschetz fibration π:WD2π:W \to D^2, then there is a one-to-one correspondence between positive stabilizations of (Σ,h)(Σ,h) and \emph{positive stabilizations} of ππ. More precisely, any positive stabilization of (Σ,h)(Σ,h) is in…

2011-12-02abs ↗pdf ↗

Controller stabilizes spherical robot's position and line-of-sight.

problem Stabilizing a spherical robot's position and line-of-sight.
method Geometric control law with feedforward and proportional-derivative control.
result Controller performance validated through simulations.

Proves stability of gravitational instantons, proving operator positivity.

problem Stability of gravitational instantons.
method Riemannian analog of black hole mode stability for Hermitian, non-self-dual gravitational instantons.
result Teukolsky equation is a positive definite operator on Hermitian, non-self-dual gravitational instantons.

Stability of positive mass theorem for hyperbolic manifolds studied.

problem Stability of the positive mass theorem for asymptotically hyperbolic manifolds.
method Adapted intrinsic flat distance approach to show stability for a class of manifolds.
result Stability of the positive mass theorem for a class of asymptotically hyperbolic graphical manifolds.

Stability of positive mass theorem for hyperbolic graphs proven.

problem Proving stability of positive mass theorem for asymptotically hyperbolic graphs.
method Adapting ideas from previous work on asymptotically flat graphs to hyperbolic graphs.
result Stability of positive mass theorem for a class of n-dimensional asymptotically hyperbolic graphs.

The study examines rigidity and stability of gradient estimates on surfaces and manifolds.

problem Rigidity and stability of gradient estimates for positive harmonic functions and solutions to heat equations.
method Sharp gradient estimates for positive harmonic functions and solutions to heat equations on surfaces and manifolds with nonnegative curvature.
result Obtained rigidity and stability results for gradient estimates.

Paper proves stability of positive mass theorem for specific types of manifolds.

problem Stability of positive mass theorem for compact graphical manifolds.
method Used Federer--Fleming flat distance and static quasi-local Brown-York energy.
result Proved stability of positive mass theorem for compact (locally) hyperbolic graphical manifolds.

Study on stability of Positive Mass Theorem using Inverse Mean Curvature Flow.

problem Stability of Positive Mass Theorem in foliated regions with positive scalar curvature.
method Analyzes sequences of regions foliated by solutions to Inverse Mean Curvature Flow, focusing on convergence to flat annuli under specific conditions.
result Convergence of foliated regions to flat annuli under certain conditions, leading to stability of Positive Mass Theorem.

Sharp stability estimate for tensor tomography in non-positive curvature.

problem Stability estimate for tensor tomography on manifolds with non-positive curvature.
method Pestov identity with localized frequency boundary term.
result Stability estimate of the form L2HT1/2L^2\mapsto H^{1/2}_{T}.

Paper proposes a new approach to stabilize GAN training by treating generated data as unlabeled.

problem Traditional GAN training treats generated data as negative, ignoring their potential quality.
method Defines positive and unlabeled classification for GANs, treating generated data as unlabeled.
result PUGAN achieves comparable or better performance than sophisticated discriminator stabilization methods.

The paper proves stability of a quasi-local positive mass theorem for graphical hypersurfaces.

problem Stability of a quasi-local positive mass theorem for graphical hypersurfaces.
method Worked with the Brown--York quasi-local mass, considering compact n-manifolds with boundary as graphs in R^(n+1).
result If the Brown--York mass of the boundary of a compact manifold is small, then the manifold is close to a Euclidean hyperplane.

New stability criteria for vector bundles linked to Hermite-Einstein geometry.

problem Stability of higher-rank vector bundles and their moduli spaces.
method Introducing mm-positivity and a smooth function for coherent subbundles, linking to Hermite-Einstein geometry.
result Hermite-Einstein bundles are uniformly semi-stable, and new stability conditions are established.

The paper proves stability of the positive mass theorem using intrinsic flat convergence.

problem Stability of the positive mass theorem in mathematical relativity.
method Intrinsic flat convergence of points and applications to stability.
result Revisits and strengthens the stability results for graphical hypersurfaces of Euclidean space.

Stability Selection improves structured variable selection but requires careful tuning.

problem Finding a right-sized model or controlling false positives in structured selection problems.
method Stability Selection applied to group lasso and structured input-output lasso.
result Stability Selection often increases power but reduces error control reliability in structured settings.

Introduces a new equation for complex surfaces, proving stability and inequalities.

problem Stability conditions involving higher Chern forms on complex surfaces.
method Vector bundle version of the complex Monge-Ampere equation, positivity condition (MA positivity), stability and inequalities.
result Proves stability and a Kobayashi-Lubke-Bogomolov-Miyaoka-Yau type inequality for positively curved solutions.

Stability and rigidity of Ricci-flat ALE manifolds proven.

problem Stability and rigidity of Ricci-flat ALE manifolds.
method Proved stability and rigidity of ALE manifolds with a parallel spinor under Ricci flow, given initial metrics close in LpLL^p \cap L^\infty.
result Strong decay rates prove positive scalar curvature rigidity in LpL^p for each p[1,nn2)p \in [1, \frac{n}{n-2}).

The study proves stability of the positive mass theorem for Kähler manifolds.

problem Stability of the positive mass theorem for Kähler manifolds.
method Integral inequality and stability results for ADM mass on AE Kähler manifolds.
result Stability of the positive mass theorem for Kähler manifolds under certain conditions.

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.

The paper proves stability for Einstein metrics with special twisted spinors.

problem Stability of Einstein metrics with specific spinor conditions.
method Proves linear semi-stability for a class of Einstein metrics with non-positive scalar curvature.
result Linear semi-stability for Einstein metrics carrying a parallel twisted spinr^r spinor.

Oil prices affect Russian banks' stability, with negative impacts from decreases.

problem The impact of international oil prices on Russian public banks' financial stability.
method Data from 17 Russian public banks (2008-2016), Pool Mean Group (PMG) estimator.
result An increase in international oil prices and price to book value ratio positively affects Russian public banks' stability in the long run, while negative shocks have the opposite effect.

Geometric interpretation of Fock-Goncharov positivity and disk stabilization in symmetric space.

problem Understanding Fock-Goncharov positivity and its geometric implications.
method Geometric interpretation and bending deformations of Fuchsian representations.
result Stabilization of a uniform Finsler quasi-convex disk in the symmetric space.

The paper analyzes harmonic maps to flat model spaces to prove geometric stability of the positive mass theorem.

problem Geometric stability of the positive mass theorem and related conjectures.
method Analysis of harmonic maps to flat model spaces under integral curvature bounds.
result Upgrading harmonic maps to diffeomorphisms when conditions are met, proving quantitative closeness to model spaces.

The study examines stability and instability of Poincaré-Einstein metrics using Ricci flow.

problem Stability and instability of Poincaré-Einstein metrics.
method Variant of expander entropy for asymptotically hyperbolic manifolds, local positive mass theorem, volume comparison.
result Characterization of stability and instability in terms of local positive mass theorem and volume comparison.

Stability of black holes proven in full subextremal range with positive cosmological constant.

problem Stability of Kerr-de Sitter black holes in the full subextremal range.
method Similar to previous proof in slowly rotating case, with implementation of constraint damping and verification of subprincipal symbol condition.
result Stability of Kerr-de Sitter black holes proven in the full subextremal range.

Extends classical stability results to new geometric settings.

problem Stability of holomorphic vector bundles on complex manifolds.
method Introduces (ω,Ω)(ω,Ω)-Hermite-Einstein and (ω,Ω)(ω,Ω)-stable conditions.
result Generalised Hermite-Einstein condition implies (ω,Ω)(ω,Ω)-semi-stability.

Study on stability of quaternion-Kähler manifolds using eigenvalue estimates.

problem Stability problem for positive quaternion-Kähler manifolds.
method Description of infinitesimal Einstein deformations and destabilising directions in terms of Laplace eigenfunctions and symmetric 2-tensors. Improved eigenvalue estimates for the Hodge-Laplacian on 2-forms.
result Sharp lower bound for the first non-zero eigenvalue on the parallel subbundle Sym^2 E of the 2-form bundle.

Let L\mathcal{L} be a knot with a fixed positive crossing and Ln\mathcal{L}_n the link obtained by replacing this crossing with nn positive twists. We prove that the knot Floer homology HFK^(Ln)\widehat{\text{HFK}}(\mathcal{L}_n) `stabilizes' as nn goes to infinity. This categorifies a similar stabilization phenomenon of …

2016-08-05abs ↗pdf ↗

Stability of the utility maximization problem with random endowment and indifference prices is studied for a sequence of financial markets in an incomplete Brownian setting. Our novelty lies in the nonequivalence of markets, in which the volatility of asset prices (as well as the drift) varies. Degeneracies arise from …

2014-10-03abs ↗pdf ↗

Paper defines new stability and metrics for complex spaces.

problem Stability and metrics for complex spaces with big cohomology classes.
method Introduces slope stability and Hermitian-Einstein metrics for big cohomology classes.
result Kobayashi Hitchin correspondence and Bogomolov Gieseker inequality proved.

We show that any non-minimal bridge decomposition of a torus knot is stabilized and that nn-bridge decompositions of a torus knot are unique for any integer nn. This implies that a knot in a bridge position is a torus knot if and only if there exists a torus containing the knot such that it intersects the bridge sphe…

2010-06-05abs ↗pdf ↗

Study stability of pseudo-Kähler and neutral Calabi-Yau manifolds, finding stability in 2D but failing in higher dimensions.

problem Stability of compact pseudo-Kähler and neutral Calabi-Yau manifolds.
method Analysis of stability through deformation theory and construction of counterexamples.
result Stability of compact pseudo-Kähler surfaces but failure in higher dimensions.

Minimal Lagrangians in certain curved spaces are stable under specific flows.

problem Stability of minimal Lagrangians in Kähler-Einstein manifolds of non-positive curvature.
method Proved stability under Lagrangian mean curvature flow.
result Equivalence between linear and dynamical stability for C1C^1-close Lagrangians.