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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.

169,181 papers · 148 categories

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48 results for curvature behavior

The paper studies the curvature behavior near the boundary of certain domains.

problem Investigating the asymptotic behavior of bisectional curvature for weighted Bergman metrics.
method Characterizing extremal functions via L2L^2-orthogonal projections and using the squeezing function.
result The bisectional curvature at strongly pseudoconvex boundary points asymptotically matches that of the unit ball.

In this paper, we study the positive cross curvature flow on locally homogeneous 3-manifolds. We describe the long time behavior of these flows. We combine this with earlier results concerning the asymptotic behavior of the negative cross curvature flow to describe the two sided behavior of maximal solutions of the cro…

2008-05-22abs ↗pdf ↗

The article explores Helfrich flow with spontaneous curvature, finding singularities and convergence behaviors.

problem Understanding the long-time behavior of Helfrich flow with spontaneous curvature.
method Analyzing the gradient flow of a locally area- and volume-constrained Willmore flow, and applying it to the Helfrich flow.
result For negative spontaneous curvature, the Helfrich flow exhibits finite-time singularities; for positive spontaneous curvature, it converges globally.

Study of lightcone framed surfaces in Lorentz-Minkowski 3-space, focusing on curvature behavior.

problem Investigate differential geometric properties of lightcone framed surfaces.
method Introduced modified frame to study the properties of lightcone framed surfaces.
result Showed behavior of Gaussian and mean curvatures at lightlike and singular points.

Study finds solitons on curved spaces with varying behavior.

problem Existence and behavior of solitons on curved spaces.
method Proved existence of entire graphical translators on Cartan-Hadamard manifolds, analyzed asymptotic behavior based on curvature.
result Asymptotic behavior of solitons depends on curvature; bounded solutions exist under certain conditions.

Study on harmonic functions in spaces with collapsing behaviors.

problem Harmonic functions on spaces with inhomogeneous collapsing behaviors at infinity.
method Analysis of complete and incomplete spaces with nonnegative Ricci curvature.
result Any nonconstant harmonic function yields a definite exponential growth rate.

Study finite curvature solutions on surfaces with nonnegative Gauss curvature.

problem Finite total curvature solutions of Liouville equation on surfaces with nonnegative Gauss curvature.
method Analyzes asymptotic behavior of solutions on complete surfaces.
result Two extremal cases identified: Euclidean plane or flat cylinder, with specific decay conditions.

We show precompactness results for solutions to parabolic fourth order geometric evolution equations. As part of the proof we obtain smoothing estimates for these flows in the presence of a curvature bound, an improvement on prior results which also require a Sobolev constant bound. As consequences of these results we …

2011-03-21abs ↗pdf ↗

Study rotational surfaces with prescribed Gauss curvature in 3D space.

problem Classify and analyze rotational surfaces with prescribed Gauss curvature.
method Phase plane analysis and mild assumptions on the prescribed function.
result Existence of singular radial solutions intersecting orthogonally the axis of rotation.

Study the long-time behavior of Hermitian-Yang-Mills flow on non-Kähler manifolds.

problem Understanding the long-time behavior of Hermitian-Yang-Mills flow on non-Kähler manifolds.
method Monotonicity of eigenvalues of mean curvature, convergence to geometric invariants.
result Eigenvalues of mean curvature converge to geometric invariants in the Gauduchon case.

In this paper we consider the geometric behavior near infinity of some Einstein manifolds (Xn,g)(X^n, g) with Weyl curvature belonging to a certain LpL^p space. Namely, we show that if (Xn,g)(X^n, g), n7n \geq 7, admits an essential set and has its Weyl curvature in LpL^p for some 1<p<n121<p<\frac{n-1}{2}, then (Xn,g)(X^n, g) must be a…

2012-10-03abs ↗pdf ↗

The study examines 4D steady gradient Ricci solitons with nonnegative curvature away from a compact set.

problem Analyzing noncompact steady gradient Ricci solitons with nonnegative curvature operator.
method Examining the asymptotic behavior of noncompact κ-noncollapsed steady gradient Ricci solitons with nonnegative curvature operator away from a compact set.
result 4D noncompact κ-noncollapsed steady gradient Ricci solitons with nonnegative sectional curvature must be a Bryant Ricci soliton up to scaling.

Study on Einstein solitons with bounds and asymptotic behavior.

problem Understanding the properties of Einstein solitons.
method Computed lower bounds for scalar curvature, established asymptotic behavior, proved finiteness of fundamental group and weighted volume.
result Established finiteness of fundamental group and weighted volume for gradient shrinking Einstein solitons.

Study on Kähler manifolds connects curvature decay with growth of holomorphic functions.

problem Analyzing properties of Kähler manifolds with nonnegative bisectional curvature.
method Established precise relations among minimal degree, volume growth, and scalar curvature decay.
result Unified understanding of Kähler-Ricci flow through polynomial growth holomorphic functions.

Graph Ricci flow reveals hidden hierarchies in stock market correlations.

problem Detecting hidden structures in the complex stock market graph.
method Using graph Ricci curvature and flow techniques to analyze the NASDAQ 100 index.
result Algorithm detects hidden hierarchies, community behavior, and clustering in financial markets.

New flow expands hypersurfaces in hyperbolic space, showing round limiting shape for certain powers.

problem Understanding the limiting shape of hypersurfaces expanding in hyperbolic space.
method Introduced shifted inverse curvature flow with positive power pp for a smooth curvature function.
result For 0<p10<p\leq 1, limiting shape is always round as maximal existence time is approached.

We consider the mean curvature evolution of rotationally symmetric surfaces. Using numerical methods, we detect critical behavior at the threshold of singularity formation resembling the one of gravitational collapse. In particular, the mean curvature simulation of a one-parameter family of initial data reveals the exi…

2009-03-19abs ↗pdf ↗

The study classifies certain types of incomplete surfaces with low curvature.

problem Classifying incomplete affine spheres with specific curvature constraints.
method Analyzing total curvature and asymptotic behavior of surfaces.
result New examples of incomplete affine spheres with positive genus found.

We consider the evolution by mean curvature flow of a closed submanifold of the complex projective space. We show that, if the submanifold has small codimension and satisfies a suitable pinching condition on the second fundamental form, then the evolution has two possible behaviors: either the submanifold shrinks to a …

2015-02-02abs ↗pdf ↗

The paper studies a flow of Legendre curves, generalizing the inverse curvature flow of regular curves.

problem Analyzing the inverse curvature flow of Legendre curves.
method Investigates the unique existence, monotonicity, and asymptotic behavior of the flow.
result The flow asymptotically converges to a self-similar solution, categorized by initial curve.