Research
On-device research index

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.

168,694 papers · 148 categories

Trend · papers per month

170339509678 · Jun 202019922001200920172026
48 results for Functional inequalities

The paper develops inequalities for log-concave functions and related surface areas.

problem Understanding log-concave functions and their inequalities.
method Establishing new inequalities through f-divergences and functional affine surface areas.
result New inequalities on functional affine surface area and bounds for Kullback-Leibler divergence.

The paper establishes inequalities and gradient estimates for harmonic functions on Finsler measure spaces.

problem Functional and geometric inequalities on Finsler measure spaces.
method Local uniform Poincaré and Sobolev inequalities, mean value inequality, Harnack inequalities, and gradient estimates.
result Global gradient estimates for positive harmonic functions on Finsler measure spaces.

The study establishes inequalities for functions on manifolds using Green function estimates.

problem Developing inequalities for functions on manifolds.
method Used integral representations and uniform estimates for Green functions.
result Proved LpL^p Sobolev-type and Poincaré-type inequalities for functions on real and complex manifolds.

The paper finds new inequalities for convex polygons.

problem Finding precise inequalities for convex polygons.
method Analytic isoperimetric inequalities based on Schur convex functions, followed by Bonnesen-style and inverse Bonnesen-style inequalities.
result Sharp discrete isoperimetric inequalities for planar convex polygons.

Alternative proofs for various inequalities on Riemannian manifolds.

problem Various functional inequalities on Riemannian manifolds.
method Generic functional inequality, Riccati pairs, solving Riccati-type ODE.
result Alternative proofs for multiple inequalities, including Hardy-type and Caccioppoli inequalities.

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 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.

Proves new concentration inequalities for sub-gaussian and sub-exponential variables.

problem Understanding functions of independent random variables better.
method Sub-gaussian and sub-exponential conditions, Rademacher complexities, Lipschitz function classes.
result Extension of Rademacher complexities to unbounded sub-exponential distributions.

The paper studies Harnack inequalities on Finsler metric measure spaces.

problem Analyzing Harnack inequalities on Finsler metric measure spaces.
method Using weighted Ricci curvature and distortion conditions, the authors derive an elliptic p-Harnack inequality.
result The paper establishes an elliptic p-Harnack inequality and derives Hölder continuity and gradient estimates for positive harmonic functions.

Extends Riemannian geometry inequalities with sharper estimates.

problem Deriving new inequalities on Riemannian manifolds.
method Investigates advanced Hardy and Rellich-type inequalities on complete noncompact manifolds with weight functions.
result Provides sharper estimates conforming to the geometry and structure of the manifold.

Study fine Pólya-Szegő inequalities in metric spaces with applications.

problem Fine Pólya-Szegő rearrangement inequalities in metric spaces.
method Theory of Sobolev and BV functions, synthetic Ricci bounds, isoperimetric inequality.
result New geometric and functional inequalities under Ricci lower bounds.

New inequalities for convex hypersurfaces in various spaces.

problem Deriving inequalities for hypersurfaces under convex weight.
method Sharp weighted Alexandrov-Fenchel and Minkowski inequalities for smooth, closed hypersurfaces in Euclidean, spherical, and hyperbolic spaces.
result Incorporates convex, non-decreasing positive functions as weights, yielding a broad family of geometric inequalities.

Sharp Hardy inequalities on Riemannian submanifolds with non-negative curvature.

problem Establishing Hardy inequalities for submanifolds in Riemannian geometry.
method Analyzing distance functions and using Riemannian submanifolds with non-negative curvature.
result Sharp weighted Hardy inequalities valid for compact and non-compact submanifolds, even in compact ambient manifolds.

New findings show functional inequalities fail on Finsler manifolds with positive S-curvature.

problem Failure of functional inequalities on Finsler manifolds with positive S-curvature.
method Analysis of Finsler metric measure manifolds with reversibility, flag curvature, and S-curvature.
result Functional inequalities fail on Finsler manifolds with positive S-curvature.

Study inequalities on hyperbolic spaces and Riemannian manifolds using symmetrization and heat semigroup.

problem Investigate functional and geometric inequalities on hyperbolic spaces and Riemannian manifolds.
method Employ symmetrization and semigroup approach based on sharp estimates for heat semigroup.
result Developed robust inequalities and methods relying on geometric and isoperimetric properties.

Study Hardy identities and inequalities on Cartan-Hadamard manifolds.

problem Existence and nonexistence of extremal functions in Hardy inequalities.
method Using the notion of a Bessel pair, we derive Hardy identities and inequalities.
result Established several Hardy type inequalities with improvements and understandings.

Explains optimal functional inequalities, focusing on Sobolev and fractional Sobolev.

problem Optimal functional inequalities and their stability.
method Compactness theorems, characterization of optimizers, and quantitative stability analysis.
result Characterization and stability of optimizers for Sobolev inequalities and their fractional generalizations.

The article examines entropy-information inequalities for continuous-time Markov chains under curvature-dimension conditions.

problem Proving Li-Yau inequalities and modified logarithmic Sobolev inequalities for reversible Markov chains.
method Introducing the CDΥ(κ,F)CD_Υ(κ,F) condition and deriving entropy-information inequalities.
result Derives functional inequalities relating entropy to Fisher information.

Study shows how close functions are to optimal in Riemannian manifolds.

problem Understanding how close functions are to optimal in Riemannian manifolds.
method Analyzes quantitative stability of Sobolev inequalities on compact Riemannian manifolds.
result Functions that nearly saturate a critical Sobolev inequality are quantitatively close to extremal functions.

New vanishing theorems for harmonic and pluriharmonic functions on Kähler and quaternionic Kähler manifolds.

problem Vanishing theorems for harmonic and pluriharmonic functions on Kähler and quaternionic Kähler manifolds.
method Utilized refined Kato type inequalities and Böchner technique to generalize results to LpL^p-integrable pluriharmonic functions and harmonic 1-forms.
result Proved vanishing property of pluriharmonic functions with finite LpL^p energy on complete Kähler manifolds.

The paper explores how information geometry impacts classical CR inequalities.

problem Deriving and generalizing CR inequalities using information geometry.
method Examining Eguchi's theory and applying Amari-Nagoaka's theory to KL-divergence, and then extending to other divergences.
result Generalized CR inequalities derived from various divergences.

New approach to concentration inequalities for unbounded state space dynamical systems.

problem Concentration inequalities for unbounded state space dynamical systems.
method Functional analytic framework, transport-entropy inequality.
result Exponential concentration inequalities for sampling from stationary distribution.

Paper proves Łojasiewicz inequalities near simple bubble trees on surfaces.

problem Proving Łojasiewicz inequalities for critical points on surfaces.
method Deriving sufficient conditions for Łojasiewicz inequalities near almost-critical points in a Hilbert space.
result Sequences of almost critical points satisfy Łojasiewicz inequalities as they approach the first non-trivial bubble tree.

The paper examines stability of Sobolev inequalities on manifolds with Ricci curvature bounds.

problem Stability of Sobolev inequalities on Riemannian manifolds with Ricci curvature lower bounds.
method Generalized Lions' concentration compactness and rigidity results of Sobolev inequalities on singular spaces.
result Almost extremal functions are close to extremal functions on the round sphere and Euclidean Sobolev inequality.

This paper explores geometric and analytic aspects of Lojasiewicz inequalities on vector bundles.

problem Understanding growth and stability conditions for real-analytic functions over vector bundles.
method Outline theory of functionals and variational problems over vector bundles, explore applications to real-analytic functionals.
result Describes the energy functional on $S^{n-1$ as a functional over a vector bundle.

The paper derives inequalities for pp-capacitary functions in 3-manifolds with nonnegative scalar curvature.

problem Deriving inequalities for pp-capacitary functions in 3-manifolds with nonnegative scalar curvature.
method Deriving general monotone quantities and geometric inequalities associated with pp-capacitary functions in asymptotically flat 3-manifolds with nonnegative scalar curvature.
result The inequalities become equalities on the spatial Schwarzschild manifolds outside rotationally symmetric spheres.

We establish an analog Hardy inequality with sharp constant involving exponential weight function. The special case of this inequality (for n=2) leads to a direct proof of Onofri inequality on S^2.

2007-10-23abs ↗pdf ↗

Paper finds inequalities for eigenvalues of buckling problems on special metric spaces.

problem Eigenvalue inequalities for buckling problems of drifting Laplacian.
method Investigated on bounded domains in complete smooth metric measure spaces (SMMSs) with special functions.
result General inequalities for eigenvalues derived under curvature constraints.