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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.

169,291 papers · 148 categories

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121243364485 · Jun 202019922001200920182026
48 results for lower weighted Ricci curvature

Study lower weighted Ricci curvature bounds on manifolds with boundary.

problem Comparing geometric properties of manifolds with boundary under curvature constraints.
method Lower weighted Ricci curvature bound and boundary conditions.
result Various comparison geometric results under the curvature condition.

Study on stable minimal hypersurfaces under Ricci curvature constraints.

problem Stability of weighted minimal hypersurfaces under Ricci curvature bounds.
method Derive geometric consequences and prove a Schoen-Yau type criterion.
result Structure theorem for three-dimensional weighted manifolds of non-negative Ricci curvature.

Unified proof of inequality for metric measure spaces with lower Ricci curvature bounds.

problem Establishing a Fenchel-Willmore-Chen inequality for metric measure spaces.
method Using a lower bound on the weighted intermediate Ricci curvature, extending previous results.
result Unified proof of the Fenchel-Willmore-Chen inequality.

Establishes lower bounds for weighted Ricci curvature and applies to heat flow inequalities.

problem Understanding weighted Ricci curvature and its implications.
method Introduces weighted intermediate Ricci curvature and establishes lower bounds with equivalent characterizations.
result Derives intrinsic-dimensional evolution variational inequalities and Wasserstein contraction estimates for the heat flow.

Paper extends Aronson-Bénilan estimates for porous medium equations on manifolds with negative curvature.

problem Estimating gradients for porous medium equations on manifolds with negative curvature.
method Develops Aronson-Bénilan gradient estimates for porous medium equations under lower bounds of NN-weighted Ricci curvature with N<0N < 0.
result Generalizes gradient estimates for porous medium equations to manifolds with negative curvature.

The paper proves inequalities under Bakry-Émery-Ricci curvature bounds.

problem Proving functional inequalities under lower Bakry-Émery-Ricci curvature bounds.
method Lower mm-Bakry-Émery-Ricci curvature bounds with ε\varepsilon-range.
result Proves Cheng type inequality and local Sobolev inequality.

The study analyzes weighted manifolds with curvature bounds, proving eigenvalue estimates and inequalities.

problem Analyzing geometric properties of weighted manifolds under Ricci curvature bounds.
method Develops geometric analysis techniques on weighted Riemannian manifolds with lower 00-weighted Ricci curvature bounds.
result Proves eigenvalue estimates for Steklov and ABP inequalities on weighted manifolds.

Paper proves Liouville theorems for harmonic functions under specific curvature bounds.

problem Analyzing harmonic functions on manifolds with lower bounds of NN-weighted Ricci curvature.
method Uses Moser's iteration procedure to prove Liouville theorems.
result Establishes Liouville theorems for harmonic functions with sublinear growth and under weaker bounds of NN-weighted Ricci curvature.

The paper studies heat kernels on weighted Riemannian manifolds with curvature bounds.

problem Estimating heat kernels on weighted Riemannian manifolds with lower Ricci curvature bounds.
method Establishing parabolic Harnack inequalities, proving Gaussian bounds for heat kernels, and constructing Li-Yau-type gradient estimates.
result Gaussian upper and lower bounds for the heat kernel, Liouville theorem, uniqueness property, and eigenvalue bounds.

Study compares manifolds with boundary under weighted Ricci curvature bounds.

problem Understand geometric properties of manifolds with boundary under lower weighted Ricci curvature bounds.
method Use lower NN-weighted Ricci curvature bounds with ε\varepsilon-range to study comparison geometry.
result Conclude splitting theorems and comparison geometric results for inscribed radius, volume, and eigenvalues.

Paper investigates rigidity phenomena for weighted Ricci curvature bounds with Laplacian comparison theorem.

problem Investigating rigidity phenomena for weighted Ricci curvature bounds.
method Derived comparison geometric estimates and generalized for non-symmetric Laplacian.
result Obtained rigidity results for Laplacian comparison theorem, diameter comparisons, and volume comparisons.

The study establishes inequalities on Finsler manifolds with weighted Ricci curvature.

problem Investigating inequalities on Finsler manifolds with weighted Ricci curvature.
method Volume comparison, Bonnet-Myers theorem, Poincaré-Lichnerowicz inequality.
result Sharp lower bound for the first eigenvalue on Finsler manifolds.

The paper generalizes a Steklov eigenvalue inequality for substatic triples under non-negative Ricci curvature.

problem Estimating Steklov eigenvalues for substatic triples under non-negative Ricci curvature.
method Generalization of Fraser-Li type inequality for substatic triples under non-negative Ricci curvature associated with an affine connection.
result The paper provides a new inequality for Steklov eigenvalues of substatic triples.

The study examines constant weighted mean curvature hypersurfaces in shrinking Ricci solitons.

problem Characterizing constant weighted mean curvature hypersurfaces in shrinking Ricci solitons.
method Analyzing properties of hypersurfaces in specific ambient spaces (shrinking Ricci solitons).
result Conditions for a constant weighted mean curvature hypersurface to be a level set of the potential function.

Paper proves new theorems about curvature in weighted manifolds.

problem Understanding curvature in weighted manifolds.
method Proved spectral comparison and splitting theorems for infinity-Bakry-Emery Ricci curvature.
result Results extend existing theorems and provide new supplements.

In this paper we study some splitting properties on complete noncompact manifolds with smooth measures when \infty-dimensional Bakry-Émery Ricci curvature is bounded from below by some negative constant and spectrum of the weighted Laplacian has a positive lower bound. These results extend the cases of Ricci curvatur…

2011-12-29abs ↗pdf ↗

Researchers estimate gradients of solutions to a Finslerian Allen-Cahn equation.

problem Estimating gradients of solutions to a specific type of partial differential equation.
method Using the Finslerian Allen-Cahn equation as an Euler-Lagrange equation to a Liapunov entropy functional, proving gradient estimates on compact and noncompact Finsler metric measure spaces.
result Global and local gradient estimates of positive solutions to the Finslerian Allen-Cahn equation.

The paper studies manifolds with positive weighted Ricci curvature of negative effective dimension.

problem Investigating properties of Riemannian manifolds with specific curvature conditions.
method Analyzing complete Riemannian manifolds with lower weighted Ricci curvature bound and discussing eigenvalues.
result If the minimum first nonzero eigenvalue is attained, the manifold splits off the real line as a warped product of hyperbolic nature.

The study introduces a new curvature concept for weighted graphs and applies it to warped products.

problem Establishing curvature bounds for doubly warped product graphs.
method Developed a new notion of curvature for weighted graphs and applied it to warped products, establishing bounds in terms of constituent graph curvatures.
result Established curvature bounds for $\left(R_1,R_2 ight)$-doubly warped products of smooth measure spaces.

The paper analyzes graph Laplacians on manifolds with curvature bounds and applies to non-collapsed spaces.

problem Analyzing spectral properties of graph Laplacians on manifolds with curvature constraints.
method Quantitative bounds on eigenvalues and eigenfunctions of graph Laplacians constructed from random variables on manifolds with uniform lower Ricci curvature bounds.
result Spectral convergence of graph Laplacians on manifolds with curvature bounds and in non-collapsed spaces.

The paper proves gradient estimates for a weighted p-Laplacian equation on Riemannian manifolds.

problem Gradient estimates for a weighted p-Laplacian equation on Riemannian manifolds.
method Assumes a Sobolev inequality and integral Ricci bounds, proving local gradient estimates and Liouville type results.
result Proves local gradient estimates and Liouville type results on manifolds with lower bounds of Ricci curvature.

Estimates for Poisson equation on manifolds with weighted Poincare inequality.

problem Existence and estimates of Poisson equation solutions on manifolds.
method Develops Green's function estimate using weighted Poincare inequality and Ricci curvature.
result Proves Liouville property for finite energy holomorphic functions on Kähler manifolds.

The paper explores inequalities for strongly-convex sets in weighted Riemannian manifolds.

problem Investigating dilation type inequalities on weighted Riemannian manifolds.
method Introducing dilation profile and comparing it with model space under lower weighted Ricci curvature bounds.
result Showed several functional inequalities related to various entropies.

The paper extends Ricci curvature in Finsler geometry and finds conditions for specific metrics.

problem Characterizing and finding conditions for specific metrics in Finsler geometry.
method Introducing weighted projective Ricci curvature and analyzing Randers and Kropina metrics.
result Conditions for metrics to have weighted projective Ricci flat curvature.

We study geometry of complete Riemannian manifolds endowed with a weighted measure, where the weight function is of quadratic growth. Assuming the associated Bakry-Emery curvature is bounded from below, we derive a new Laplacian comparison theorem and establish various sharp volume upper and lower bounds. We also obtai…

2012-11-16abs ↗pdf ↗

We study both function theoretic and spectral properties of the weighted Laplacian ΔfΔ_f on complete smooth metric measure space (M,g,efdv)(M,g,e^{-f}dv) with its Bakry-Émery curvature RicfRic_f bounded from below by a constant. In particular, we establish a gradient estimate for positive ff-harmonic functions and a sharp upper…

2011-12-13abs ↗pdf ↗

We prove that a Ricci curvature based method of triangulation of compact Riemannian manifolds, due to Grove and Petersen, extends to the context of weighted Riemannian manifolds and more general metric measure spaces. In both cases the role of the lower bound on Ricci curvature is replaced by the curvature-dimension co…

2010-01-29abs ↗pdf ↗

We prove structure theorems for complete manifolds satisfying both the Ricci curvature lower bound and the weighted Poincaré inequality. In the process, a sharp decay estimate for the minimal positive Green's function is obtained. This estimate only depends on the weight function of the Poincaré inequality, and yields …

2007-01-24abs ↗pdf ↗

New method calculates Ricci curvature from distances between weighted volumes.

problem Calculating Ricci curvature for weighted Riemannian manifolds.
method Asymptotic retrieval of generalized Ricci tensor from scaled metric derivatives of Wasserstein 1-distances.
result Limiting coarse curvature of random graphs converges to generalized Ricci tensor.

Extends Ricci flow theory to Kato-type curvature bounds, proving manifold properties.

problem Extending Ricci flow theory under Kato-type curvature bounds.
method Extends non-collapsed Ricci flow existence theory to Kato-type lower bounds.
result Compact three-dimensional non-collapsed strong Kato limit spaces are homeomorphic to smooth manifolds.