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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.

169,341 papers · 148 categories

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51102152203 · Jun 202019922001200920182026
48 results for Green metric

Central limit theorem for Green metrics on hyperbolic groups.

problem Proving a central limit theorem for Green metrics on hyperbolic groups.
method Proving a central limit theorem for Green metrics on hyperbolic groups using probability measures and ordering elements.
result Proved a central limit theorem for Green metrics on hyperbolic groups.

In a conformal class of metrics with positive Yamabe invariant, we derive a necessary and sufficient condition for the existence of metrics with positive Q curvature. The condition is conformally invariant. We also prove some inequalities between the Green's functions of the conformal Laplacian operator and the Paneitz…

2014-11-14abs ↗pdf ↗

A mass-type invariant for smooth metric measure spaces and its relation with the fractional Yamabe problem

problem Defining and analyzing a mass-type invariant for smooth metric measure spaces
method Defining a mass-type quantity and showing its geometric invariance properties
result The mass-type quantity has a close relation with the fractional Yamabe problem and the relevant Green's function

This work generalizes a construction by Habermann and Jost of a canonical metric in a Yamabe-positive conformal class, which uses the Green function of the conformal Laplacian. In dimension n=2k+1n=2k+1, 2k+22k+2, or 2k+32k+3, if the kk-th GJMS operator PkP_k admits a Green function, the constant term of its singularity is sh…

2010-12-20abs ↗pdf ↗

Extends BV functions and divergence-measure fields to metric spaces.

problem Defining BV functions and divergence-measure fields in metric spaces.
method Employing differential structure developed by N. Gigli, extending BV functions and divergence-measure fields to metric spaces.
result Gauss-Green formulas established for BV functions and divergence-measure fields in metric spaces.

The paper proves complete conformal metrics with negative scalar curvatures have negative Ricci curvatures in convex domains.

problem Negativity of Ricci curvatures in complete conformal metrics.
method Analysis of Green's function and positive mass theorem.
result Complete conformal metrics with negative scalar curvatures have negative Ricci curvatures in convex domains.

The paper calculates mass and volume of Einstein metrics in four dimensions.

problem Calculating mass and volume of Einstein metrics in four dimensions.
method Using Green's function and conformal laplacian, the paper expresses ADM mass as an integral and proves a mass-volume inequality.
result Proves a lower bound for the mass of a metric in terms of its volume, and various mass gap theorems.

Paper proves C1,1C^{1,1} regularity for complex Monge-Ampère equations.

problem Complex Monge-Ampère equations on compact almost Hermitian manifolds.
method Proves C1,1C^{1,1} estimate and uses it to show existence of solutions.
result Proves C1,1C^{1,1} regularity for geodesics in Sasakian metrics.

Formula for Hadamard coefficients from Green's operators on spacetimes.

problem Calculating Hadamard coefficients from Green's operators on spacetimes.
method Developed formulas for diagonal values and integrals over the diagonal of Hadamard coefficients.
result Formulated analogues of Hadamard expansions and resolvents for Green's operators.

Paper bounds Kähler manifolds' diameter using Orlicz spaces and complex Monge-Ampère equations.

problem Establishing diameter bounds for Kähler manifolds in Orlicz spaces.
method Proving a priori estimates for solutions of complex Monge-Ampère equations in Orlicz spaces using Kołodziej's and Guo-Phong-Tong-Wang's approaches.
result Uniform estimates for Green's function and its gradient for Kähler metrics.

Green stocks show less factor exposure heterogeneity compared to brown stocks.

problem Exploring differences in factor exposure between green and brown stocks.
method Examined S&P 500 firms grouped by greenhouse gas emissions, analyzing factor exposure over 2014-2020.
result Green stocks have less factor exposure heterogeneity than brown stocks, except for the value factor.

Green functions on stationary varifolds established with inequalities and convergence results.

problem Establishing Green functions on stationary varifolds with inequalities and convergence.
method Extending Grüter and Widman's method, constructing Green functions, using local Harnack inequality.
result Green functions converge for sequences of stationary varifolds converging with multiplicity one.

The Green function helps in creating evenly spaced points on compact manifolds.

problem Creating evenly spaced points on compact manifolds.
method Using the Green function for the Laplacian to minimize energy and achieve uniform distribution.
result A sequence of minimizers for the Green energy is asymptotically uniformly distributed.

The paper derives expansions for Green's operators and resolvents using Hadamard methods.

problem Analyzing normally hyperbolic operators and their Green's functions.
method Hadamard expansions for powers of Green's operators and resolvents.
result Derives expansions involving Hadamard coefficients for advanced/retarded Green's operators.

Paper extends Green-Osher inequality for convex bodies at dilation position.

problem Extending Green-Osher inequality for specific geometric configurations.
method Analyzes strictly convex bodies at dilation position and derives necessary and sufficient conditions.
result Establishes extended Green-Osher inequality with conditions for equality.

Mathematical analysis of Riemann surfaces and their moduli spaces using hybrid Laplacians.

problem Analyzing the asymptotics of Arakelov Green functions on Riemann surfaces near boundary of moduli spaces.
method Introducing hybrid Laplacian, solving hybrid Poisson equation, and defining hybrid Green functions.
result Layered description of asymptotics of Arakelov Green functions on Riemann surfaces near boundary of their moduli spaces.

The paper discusses methods to compute Green's function on algebraic surfaces using Schottky uniformization.

problem Computing Green's function on algebraic surfaces using Schottky uniformization.
method Investigates convergence of deformations of a formula related to Green's function.
result Provides insights into the geometric interpretation of the formula for Green's function.

A new approach for green investing in Indian markets considers environmental factors.

problem Identifying and managing climate risk in sustainable investing.
method Combining ESG ratings with modern portfolio theory and scenario analysis.
result The green portfolio performs better than market returns, highlighting the importance of climate risk.

A regression algorithm uses Green's function and covariance matrix for predictive distributions.

problem Regression and uncertainty quantification for machine learning.
method Green's function theory, Bayesian approach, covariance matrix of normalized Green's function.
result The covariance matrix provides predictive distributions with mean and confidence intervals.

Gauss-Green theorem proven for vector fields in stratified groups.

problem Establishing the Gauss-Green theorem for vector fields in noncommutative stratified Lie groups.
method Developed a new family of function spaces for divergence-measure fields and proved the Gauss-Green theorem.
result Gauss-Green theorem achieved for vector fields of low regularity on sets of finite perimeter in stratified groups.

On compact surfaces, a Green-Wasserstein inequality cannot be improved without the sqrt(log n) factor.

problem Can the Green-Wasserstein inequality be improved without the sqrt(log n) factor?
method Contradiction proof using second-moment estimates and semi-discrete random matching asymptotics.
result It is impossible to remove the sqrt(log n) factor in the inequality on any compact connected surface.

The paper analyzes risk spillovers between AI ETFs, AI tokens, and green markets.

problem Risk spillovers among AI ETFs, AI tokens, and green markets.
method R2 decomposition method
result AI ETFs and clean energy act as risk transmitters, while AI tokens and green assets act as receivers.

Green functions for GJMS operators on spheres derived, linking geometry and rigidity.

problem Deriving Green functions for GJMS operators on spheres.
method Explicit representation formulae derived using Gegenbauer polynomials.
result Spheres uniquely characterized by their Green functions, with strong rigidity theorems for n=3,4,5n=3,4,5.

Survey on rigidity and almost rigidity of Green functions in non-negative Ricci curvature spaces.

problem Rigidity and almost rigidity of Green functions in non-negative Ricci curvature spaces.
method Survey and observation on Cheeger-Yau inequality on RCD spaces.
result Observations on the Cheeger-Yau inequality and its applications.

New proof of Suita's conjecture without L2L^2 extension theorem.

problem Equality in Suita's conjecture for open Riemann surfaces.
method Exploration of Maitani and Yamaguchi's variation formula for the Bergman kernel and harmonicity.
result Characterization of surfaces by constant Gaussian curvature properties of the Bergman kernel or metric.

Study asymptotics of Poisson kernel and Green's functions for fractional conformal Laplacian.

problem Asymptotics of Poisson kernel and Green's functions for fractional conformal Laplacian.
method Sharp expansions derived for the Poisson kernel and Green's functions near singularities.
result Sharp expansions of the Green's functions solve the first part of Kim-Musso-Wei's conjecture.