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.

168,657 papers · 148 categories

Trend · papers per month

80159239318 · Jun 202019922001200920172026
48 results for half-space property

The paper defines capacities for minimal graphs over manifolds and proves the half-space property.

problem Characterizing minimal graphs and their properties over manifolds.
method Defining capacities using relative volume, studying solutions of bounded variation, and analyzing boundary behavior.
result Proves the half-space property for MM-parabolic manifolds.

Recently dictionary screening has been proposed as an effective way to improve the computational efficiency of solving the lasso problem, which is one of the most commonly used method for learning sparse representations. To address today's ever increasing large dataset, effective screening relies on a tight region boun…

2016-08-21abs ↗pdf ↗

The paper explores properties of 1-surfaces in hyperbolic space and proves strong half-space theorems.

problem Investigating properties of 1-surfaces in Riemannian manifolds with specific curvature bounds.
method Analyzes the intersection problem for 1-surfaces with bounded curvature in a complete Riemannian three-manifold with Ricci curvature bounded from below.
result Strong half-space theorems for complete 1-surfaces in hyperbolic space with bounded curvature.

Paper classifies critical points in half-space with new distance function.

problem Classifying critical points in half-space with capillary CMC hypersurfaces.
method New shifted distance function for capillary problem in half-space.
result Proves Alexandrov-type theorem for singular capillary CMC hypersurfaces.

Proves intersection properties of minimal hypersurfaces in various spaces.

problem Intersection properties of minimal hypersurfaces in different geometric settings.
method Two approaches: classifications of stable minimal hypersurfaces and conformal change with comparison geometry.
result Intersection properties for minimal hypersurfaces in specific geometric settings, including free boundary minimal hypersurfaces.

Study proves no minimal surfaces can be contained in certain half-spaces or cones.

problem Prohibiting minimal surfaces from certain geometric configurations.
method Analyzes weighted minimal surfaces in R3\mathbb{R}^3 with height-dependent weights.
result No proper surfaces can be contained in specific half-spaces or cones.

Study on minimal surfaces with free boundary in a half-space, improving index estimates.

problem Non-existence of index two embedded minimal surfaces with free boundary in a half-space.
method Improved estimates of Neumann and Dirichlet indices, simplified proof of lower bounds.
result Answered Ambrozio et al.'s question and provided new lower bounds.

Paper solves inequalities for capillary hypersurfaces in half-spaces.

problem Finding inequalities for convex capillary hypersurfaces in half-spaces.
method Introduced quermassintegrals and constructed a new locally constrained curvature flow to prove convergence to spherical caps.
result Obtained Alexandrov-Fenchel inequalities for convex capillary hypersurfaces.

Paper analyzes iterative learning for concept classes and learns half-spaces.

problem Learning concept classes efficiently with iterative learners.
method Analyzes various settings of iterative learning and provides a constructive algorithm for half-spaces.
result Constructive iterative algorithm for learning half-spaces from informant.

Study on capillarity minimizers with nonlocal repulsion and gravity, proving existence and nonexistence.

problem Minimizing an energy functional with capillarity, nonlocal repulsion, and gravity.
method Quantitative isoperimetric inequalities applied to capillarity problem in a half-space.
result Existence and nonexistence of minimizers for various nonlocal kernels and masses.

The paper classifies solutions to a Liouville equation on a half-space with a specific boundary condition.

problem Classifying solutions to a Liouville equation with a nonlinear Neumann boundary condition.
method Analyzing the nn-Laplacian Liouville equation on the half-space R+n\mathbb{R}^{n}_{+} with positive nonlinear Neumann boundary condition.
result The classification of solutions extends previous results for n=2n=2 and p=np=n.

The paper proves inequalities for convex capillary hypersurfaces in a half-space.

problem Proving inequalities for convex capillary hypersurfaces in a half-space.
method Locally constrained inverse curvature flow with spherical cap convergence.
result Proves a complete family of Alexandrov-Fenchel inequalities for convex capillary hypersurfaces.

This note proves a Gaussian version of a Pólya-Szegö conjecture using rearrangement techniques.

problem Finding the domain with the minimum Gaussian principal frequency when the Gaussian torsional rigidity is fixed.
method Adapted Kohler-Jobin rearrangement technique to the Gauss space, considering a modified torsional rigidity and rearranging layers to half-spaces.
result The Gaussian principal frequency is minimized for the half-space when the Gaussian torsional rigidity is fixed.

Inverse metric matrices on Siegel-Jacobi spaces are calculated for Berezin quantization.

problem Calculating inverse metric matrices on Siegel-Jacobi spaces.
method Inversion of metric matrices on XnJ{\mathcal{X}}^J_n and ildeXnJ ilde{\mathcal{X}}^J_n.
result Explicit calculations of inverse metric matrices for n=2n=2.

Solves Christoffel-Minkowski problem for capillary convex bodies in Euclidean half-space.

problem Finding capillary convex bodies with prescribed kk-th capillary area measure.
method Solving a Hessian-type equation with Robin boundary condition.
result Existence and uniqueness of a smooth solution under natural conditions.

A 3D catenoid in 4D space is a minimal hypersurface that cannot be extended to a higher-dimensional half-space.

problem Extending the half-space theorem to higher dimensions in R4\mathbb{R}^4.
method Analyzing the topological constraints on minimal hypersurfaces in R4\mathbb{R}^4.
result A complete, properly embedded minimal hypersurface in a slab in R4\mathbb{R}^4 must be a hyperplane.

We show that a properly immersed minimal hypersurface in M x R_+ equals some M x {c} when M is a complete, recurrent n-dimensional Riemannian manifold with bounded curvature. If on the other hand, M has nonnegative Ricci curvature with curvature bounded below, the same result holds for any positive entire minimal graph…

2012-06-15abs ↗pdf ↗

Develops a method to prove Penrose inequality for half-spaces.

problem Proving the Riemannian Penrose inequality for asymptotically flat half-spaces.
method Doubling procedure for asymptotically flat half-spaces with non-negative scalar curvature and mean-convex boundary.
result Obtains the Penrose-type inequality for dimensions 3 to 7.

Study classifies solutions to specific equations on half-space and ball.

problem Classifying nonnegative solutions to QQ-flat and constant TT-curvature equations.
method Introduced a biharmonic Poisson kernel and derived its explicit representation formula.
result Established classification theorems for solutions on R+n+1\mathbb{R}_+^{n+1} and Bn+1\mathbb{B}^{n+1}.

The paper proves nonexistence results for translating solitons in r-mean curvature flow.

problem Proving nonexistence of translating solitons in r-mean curvature flow.
method Establishing nonexistence results under suitable growth conditions on curvature and second fundamental form.
result Properly immersed translating solitons cannot be confined to certain half-spaces.

New geometry based on Siegel upper half-space with volume formula.

problem Developing a new 3D geometry based on Siegel upper half-space.
method Constructing a geometry fibered over Siegel upper half-space and providing a volume formula.
result Volume of Siegel-Seifert closed manifolds is the fiber circle length times base manifold's Euler characteristic.

This paper characterizes semigenerated Carnot groups and applies it to rectifiability of perimeter sets.

problem Characterizing semigenerated Carnot groups and their applications to rectifiability.
method Algebraic approach focusing on semigroup generation and Engel-type quotients.
result Complete characterization of semigeneration in Carnot groups of step 3 and sufficient criteria for semigeneration in Carnot groups of arbitrary step.