Surveying stability of klt singularities with new solutions.
problem Stability of klt singularities.
method Survey and solution of the stable degeneration conjecture.
result Solution to the stable degeneration conjecture.
Study shows minimizing the norm of the ERM solution stabilizes kernel ridge-less regression.
problem Stability of kernel ridge-less regression.
method Minimizing the norm of the ERM solution to minimize CV stability.
result Interpolating solution with minimum norm minimizes CV stability.
Stability inequalities for specific solutions in high dimensions.
problem Stability of solutions to the one-phase Bernoulli problem.
method Proving strict stability inequalities for cohomogeneity one solutions with bi-orthogonal symmetry.
result Strict stability for cohomogeneity one solutions in dimensions 7 and above.
Stability and Hölder continuity of solutions to complex Monge-Ampère equations on compact Hermitian manifolds.
problem Establishing Hölder continuity of solutions to complex Monge-Ampère equations.
method Stability result for solutions in L p L^p L p space, Hölder continuity proof. result Solutions are Hölder continuous with the same exponent as in the Kähler case.
Paper addresses stability in multi-asset American option pricing.
problem Stability in multi-asset American option pricing problems.
method Semi-discretization approach followed by full discretization.
result Stability conditions found for numerical solution.
Stable saddle solutions found for specific dimensions of the Allen-Cahn equation.
problem Stability of saddle solutions for the Allen-Cahn equation in specific dimensions.
method Analyzing the Simons cone and energy functional to confirm saddle solutions' stability.
result Stable saddle solutions found for m = 4 , 5 , 6 m=4,5,6 m = 4 , 5 , 6 . Study on linear stability of Schwarzschild spacetime using harmonic gauge.
problem Linear stability of Schwarzschild spacetime in harmonic gauge.
method Analysis of odd solution of linearized Einstein equation using Regge-Wheeler quantities.
result Solution decays at rate τ^(-1+δ) to a linearized Kerr solution.
We study existence, uniqueness and stability of radial solutions of the Lane-Emden-Fowler equation − Δ g u = ∣ u ∣ p − 1 u -Δ_g u=|u|^{p-1}u − Δ g u = ∣ u ∣ p − 1 u in a class of Riemannian models ( M , g ) (M,g) ( M , g ) of dimension n ≥ 3 n\ge 3 n ≥ 3 which includes the classical hyperbolic space H n \mathbb H^n H n as well as manifolds with sectional curvatures unbounded below. Sign properties…
We study constant mean curvature Lorentzian hypersurfaces of R 1 , d + 1 \mathbb{R}^{1,d+1} R 1 , d + 1 from the point of view of its Cauchy problem. We completely classify the spherically symmetric solutions, which include among them a manifold isometric to the de Sitter space of general relativity. We show that the spherically symmetric s…
Stability results for complex Monge-Ampère equations in various classes.
problem Stability of solutions to complex Monge-Ampère equations.
method Weak stability results followed by C k , α \mathcal{C}^{k,α} C k , α stability proofs. result Proves stability of solutions in relative full mass classes and on quasi-projective varieties.
Study geometric flow on curves with positive torsion, finding stationary solutions and their stability.
problem Analyzing geometric flow on curves with positive torsion.
method Evolution equation X t = 1 τ e x t b f B X_{t}=\frac{1}{\sqrtτ} extbf{B} X t = τ 1 e x t b f B , studying stationary solutions and linear stability. result Explicit formula for stationary solutions of helices with constant curvature and torsion, proving stability.
We consider graphical solutions to mean curvature flow and obtain a stability result for homothetically expanding solutions coming out of cones of positive mean curvature: If another solution is initially close to the cone at infinity, then the difference to the homothetically expanding solution becomes small for large…
We establish various stability results for solutions of complex Monge-Ampère equations in big cohomology classes, generalizing results that were known to hold in the context of Kähler classes.
Paper presents a novel method to assess boundedness and stability of nonlinear systems with variable delays.
problem Challenges in assessing boundedness and stability of vector nonlinear systems with variable delays and coefficients.
method Develops a novel framework to evaluate the evolution of solution norms in such systems by constructing scalar counterparts.
result Introduces new criteria for boundedness and stability and estimates the radii of containing balls for history functions.
reval package selects best clustering solutions via stability-based validation.
problem Challenges in determining best clustering solutions due to lack of validation methods.
method Stability-based relative clustering validation methods.
result Determines best clustering solutions that generalize to unseen data.
Schwarzschild black hole stability proven using a new gauge.
problem Linear stability of Schwarzschild black holes to gravitational perturbations.
method Proved stability by imposing a generalised wave gauge.
result Uniform boundedness and polynomial decay of solutions.
We prove stability of rotationally symmetric translating solutions to mean curvature flow. For initial data that converge spatially at infinity to such a soliton, we obtain convergence for large times to that soliton without imposing any decay rates.
Study on self-similar solutions of supercritical Fujita equation, proving entropy and energy gap.
problem Characterization and stability of solutions to supercritical Fujita equation.
method Introduction of F F F -functional, F F F -stability, and entropy; use of mean curvature flows. result Constant solution has lowest entropy among bounded positive self-similar solutions.
Derives interior estimates for solutions of a generalized Abreu Equation in polytopes.
problem Interior regularity of solutions to a generalized Abreu Equation.
method Derives interior estimates under uniform K-stability assumption.
result Interior estimates for solutions of the generalized Abreu Equation.
Stability of specific solitons proven in higher dimensions.
problem Stability of homothetically shrinking Yang-Mills solitons in higher dimensions.
method Heat flow for Yang-Mills connections, small equivariant perturbations, general framework for spectral problems.
result Nonlinear asymptotic stability of the Weinkove solution in higher dimensions.
Future stability of FLRW solutions in expanding 3D space is shown for compact perturbations.
problem Future stability of expanding FLRW solutions with spatial topology R^3.
method Nonlinear stability analysis of spherically symmetric perturbations.
result Decay rates of energy momentum tensor components compared to Minkowski space.
Paper develops a new geometric framework for Kerr stability.
problem Uniform decay properties of Kerr solutions.
method Geometric framework for Teukolsky equation in nonlinear Kerr spacetime.
result First nonlinear version of Chandrasekhar transformation.
Paper proves stability of solutions for specific hyperbolic systems.
problem Stability of solutions to 2 i m e s 2 2 imes 2 2 im es 2 hyperbolic conservation laws. method Proof of generic structural stability using differential topology.
result Riemann solutions are preserved under perturbations of flux, left, and right states.
We consider a modified Ricci flow equation whose stationary solutions include Einstein and Ricci soliton metrics, and we study the linear stability of those solutions relative to the flow. After deriving various criteria that imply linear stability, we turn our attention to left-invariant soliton metrics on (non-compac…
Develops harmonic metrics for Hull-Strominger system stability.
problem Existence of solutions to the Hull-Strominger system with balanced class.
method Uses non-Hermitian Yang-Mills connections and holomorphic Courant algebroids, introduces harmonic metrics.
result Expected existence of a numerical stability condition for generic families of solutions.
Stability of singularity formation in Yang-Mills fields in higher dimensions.
problem Stability of self-similar blowup profiles for Yang-Mills equations in ( 1 + d ) (1+d) ( 1 + d ) -dimensions. method Analysis of explicitly known equivariant self-similar blowup solution and small equivariant perturbations.
result Global-in-space asymptotic stability of the self-similar blowup solution for Yang-Mills equations in ( 1 + d ) (1+d) ( 1 + d ) -dimensions for d ≥ 5 d \geq 5 d ≥ 5 . The paper introduces a new method to assess system stability using torsion of state trajectories.
problem Stability assessment of linear time-invariant systems.
method Using the torsion τ ( t ) τ(t) τ ( t ) of the state trajectory to determine stability. result Conditions for stability and asymptotic stability are established based on the behavior of torsion.
Analytic solutions found for a financial market model with traders.
problem Analyzing stability and price dynamics in a financial market model.
method Developed a continuous-time financial market model with two types of traders and proved stability conditions.
result Analytic formulae derived for price dynamics and trader profitability.
Proves stability of charged black holes with small charge.
problem Linear stability of Reissner-Nordström spacetime for small charge.
method Proves stability of Reissner-Nordström family of charged black holes using linearized Einstein-Maxwell equations and geodesic null foliations.
result Solutions decay to a linearized Kerr-Newman metric, proving stability.
We prove stability of solutions of the complex Monge-Ampère equation on compact Hermitian manifolds, when the right hand side varies in a bounded set in L p , p > 1 L^p, p>1 L p , p > 1 and it is bounded away from zero. Such solutions are shown to be Hölder continuous. As an application we extend a recent result of Székelyhidi and Tosatti o…
In this paper, we formulate the notion of the F \mathcal{F} F -stability of self-shrinking solutions to mean curvature flow in arbitrary codimension. Then we give some classifications of the F \mathcal{F} F -stable self-shrinkers in arbitrary codimension, in codimension one case, our results reduce to Colding-Minicozzi's res…
Modeling financial systemic risk with optimal control theory for stability.
problem Analyzing and stabilizing systemic risk in interconnected financial entities.
method Developed a theoretical model using optimal control theory, including steps for synthesizing stabilizing controllers.
result The model ensures that the H ∞ H^{\infty} H ∞ norms of the mappings from disturbance to output are less than a predefined constant, stabilizing the system. Important models for immortal solutions of Ricci flow that collapse with bounded curvature come from locally G-invariant solutions on principal bundles, where G is a nilpotent Lie group. In this paper, we establish convergence and asymptotic stability, modulo smooth finite-dimensional center manifolds, of certain R^{N}…
Paper solves PDEs for optimal investment strategies in volatile markets.
problem Finding optimal investment strategies in volatile markets.
method Numerical methods using time-changed Bessel bridges.
result Solves PDEs for relative arbitrage opportunities in volatility-stabilized markets.
The paper proves rigidity of a specific 4D Ricci flow solution.
problem Proving rigidity of a particular type of Ricci flow solution.
method Generalizing neck-stability theorem to special four-dimensional solutions.
result Rigidity of the standard cylinder S 3 i m e s R \mathbb{S}^3 imes\mathbb{R} S 3 im es R as the asymptotic shrinker. 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 on stability and continuity of solutions to complex Monge-Ampère equations on compact Hermitian manifolds.
problem Stability and continuity of solutions to degenerate complex Monge-Ampère equations.
method Analysis of Hölder continuity and global continuity of solutions.
result Established uniform diameter bound for the twisted Chern-Ricci flow.
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.
Study on future stability of FLRW spacetime solutions with decelerated expansion.
problem Stability of solutions to Einstein equations coupled with a nonlinear scalar field.
method Decomposition of metric and scalar field perturbations into spatial averages and oscillatory remainders.
result Future-stability of FLRW spacetime solutions for 1 / 3 < p < 1 1/3 < p < 1 1/3 < p < 1 . Stability of Minkowski space-time in higher dimensions proven for arbitrary small perturbations.
problem Stability of Minkowski space-time solution to Einstein-Yang-Mills equations in higher dimensions.
method Global stability proof for arbitrary small perturbations using wave coordinates and gauge invariant norms.
result Global stability of Minkowski space-time in higher dimensions n ≥ 5 n \geq 5 n ≥ 5 for arbitrary small perturbations. The paper proves stability of a blowup solution for Yang-Mills heat flow.
problem Stability of blowup solutions for Yang-Mills heat flow.
method Small perturbation analysis and explicit self-similar blowup solution.
result Stability of the explicit self-similar blowup solution under perturbations.
Stability proven for complex equations on Kähler manifolds.
problem Stability of solutions to complex Monge-Ampère equations.
method Elliptic and parabolic complex Monge-Ampère equations on compact Kähler manifolds.
result Stability result applies to Kähler-Ricci flow.
Study proves stability and uniqueness for a specific type of flow.
problem Volume-preserving mean curvature flow stability and uniqueness.
method New gradient flow calibrations for volume preservation, stability estimate in distributional solutions.
result Strong solutions are calibrated and stable under certain conditions.
Study proves stability of big bang singularity in complex system.
problem Stability of Kasner solutions in Einstein-Maxwell-scalar field-Vlasov system.
method Detailed mathematical structures and new delicate arguments.
result Nonlinear stability with Kasner exponents in full strong sub-critical regime.
This paper deals with stability in the numerical solution of the prominent Heston partial differential equation from mathematical finance. We study the well-known central second-order finite difference discretization, which leads to large semi-discrete systems with non-normal matrices A. By employing the logarithmic sp…
VL finds flatter solutions at edge of stability, matching theory with practice.
problem Understanding implicit regularization in deep learning.
method Edge of Stability framework, controlling variational posterior shape and sample number.
result VL finds even flatter solutions than gradient descent.
Researchers prove stability of black holes with positive cosmological constant.
problem Stability of black holes with positive cosmological constant.
method Developed a general framework to handle diffeomorphism invariance, used iteration scheme to solve Einstein's equations.
result Established global non-linear stability of Kerr-de Sitter black holes.
New LP method recovers MAP solution from noisy stable instances.
problem MAP inference on noisy stable instances.
method Designing an algorithm to find nearby perturbation stable instances and using LP relaxation.
result LP approximately recovers the MAP solution from noisy stable instances.