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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.

168,695 papers · 148 categories

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2468 · Dec 202519922001200920172026
48 results for capillary prisms

The study examines the systole of 3-manifolds with positive scalar curvature.

problem Analyzing the systole of 3-manifolds with positive scalar curvature.
method Local-to-global approach using capillary prisms and Coxeter gluing.
result Estimates the systole of 3-manifolds with positive scalar curvature.

A prism is the product space Δ×IΔ\times I where ΔΔ is a 2-simplex and II is a closed interval. As an analogue of simplicial complexes, we introduce prism complexes and show that every compact 33-manifold has a prism complex structure. We call a prism complex special if each interior horizontal edge lies in four prism…

2020-02-03abs ↗pdf ↗

Hyperbolic knots decompose into prism orbifolds.

problem Understanding hyperbolic knot complements and their geometric properties.
method Analyzing knot complements as quotients of H3\mathbb{H}^3 by discrete groups of reflections in polyhedra with triangular prism combinatorial type.
result Knot complements decompose into hidden symmetries and contain closed, embedded, totally geodesic surfaces.

Study anisotropic flow for capillary hypersurfaces, proving new inequalities.

problem Anisotropic capillary hypersurfaces and their properties.
method Anisotropic volume-preserving mean curvature flow, new approach for strictly convex initial hypersurfaces.
result Established new Alexandrov-Fenchel inequalities for strictly convex anisotropic capillary hypersurfaces.

Ballinger et al. have determined the list of all prism manifolds that are possibly realizable by Dehn surgeries on knots in S3S^3. In this paper, we explicitly find braid words of primitive/Seifert-fibered knots on which surface slope surgeries yield all the prism manifolds listed above. This completes the solution to …

2019-09-05abs ↗pdf ↗

The paper applies a capillary John ellipsoid theorem to solve capillary curvature problems.

problem Solving capillary curvature problems in Euclidean half-spaces.
method Applying a capillary John ellipsoid theorem to derive non-collapsing estimates and gradient estimates.
result Established existence of solutions to capillary curvature problems in certain ranges of pp and qq.

Proves conjectured capillary Blaschke-Santaló inequality for certain convex hypersurfaces.

problem Proving a conjectured inequality for specific convex hypersurfaces.
method Analyzing unconditional, strictly convex capillary hypersurfaces.
result The inequality holds for θ(0,π2)θ\in (0, \fracπ{2}) and has no finite upper bound for θ(π2,π)θ\in (\fracπ{2}, π).

Every prism manifold can be parametrized by a pair of relatively prime integers p>1p>1 and qq. In our earlier papers, we determined a complete list of prism manifolds P(p,q)P(p, q) that can be realized by positive integral surgeries on knots in S3S^3 when q<0q<0 or q>pq>p; in the present work, we solve the case when 0<q<p0<q<p.…

2018-08-16abs ↗pdf ↗

The paper proves rigidity results for capillary hypersurfaces in hyperbolic space.

problem Understanding the rigidity of capillary hypersurfaces in hyperbolic space.
method Proving a Heintze-Karcher type inequality and applying it to Alexandrov type theorems.
result Rigidity results for capillary hypersurfaces, including totally umbilical and totally geodesic cases.

We continue our study of the realization problem for prism manifolds. Every prism manifold can be parametrized by a pair of relatively prime integers p>1p>1 and qq. We determine a complete list of prism manifolds P(p,q)P(p, q) that can be realized by positive integral surgeries on knots in S3S^3 when q>pq>p. The methodology…

2017-09-29abs ↗pdf ↗

New definition of stable (r+1)(r+1)-th capillary hypersurfaces proposed.

problem Stability of capillary hypersurfaces in different geometries.
method Defining stable (r+1)(r+1)-th capillary hypersurfaces as smooth local minimizers of a new energy functional under volume-preserving and contact angle-preserving variations.
result Generalization of stability results to (r+1)(r+1)-th capillary hypersurfaces.

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.

Solves capillary curvature problems for specific p values.

problem Capillary curvature problems for n<p<1-n < p < 1 and θ(0,π2)θ\in (0,\fracπ{2}).
method Iterative scheme based on capillary Minkowski problem and capillary curvature image operators.
result Fixed points of capillary curvature image operators correspond to solutions of capillary LpL_p-Minkowski problem.

Study an anisotropic capillary flow to solve capillary Orlicz-Minkowski problem.

problem Solve capillary Orlicz-Minkowski problem without evenness assumption.
method Analyze an anisotropic capillary Gauss curvature flow to prove convergence and establish existence.
result Establish existence result for capillary Orlicz-Minkowski problem without evenness assumption.

Compact capillary hypersurfaces with specific curvatures are proven.

problem Proving compactness of capillary hypersurfaces with prescribed mean curvature.
method Extending curvature varifolds to oriented integral varifolds and applying curvature varifolds with capillary boundary.
result Compactness result for capillary hypersurfaces with mean curvature prescribed by ambient functions.

Study flat metrics from right prisms, finding non-lattice surfaces with translation coverings.

problem Analyzing flat metrics from right regular prisms.
method Viewing prisms as n-differentials and analyzing unfoldings, proving translation coverings to hyperelliptic surfaces.
result Non-lattice surfaces admit translation coverings to hyperelliptic surfaces, allowing explicit computation of orbit closures and counting problems.

Proves existence of smooth convex solutions to capillary curvature equations.

problem Proving existence of smooth convex solutions to capillary curvature equations.
method Gradient estimate for capillary curvature equations in half-space.
result Existence of even, smooth, strictly convex solutions for all 1<p<k+11<p<k+1 and θ(0,π/2)θ\in(0,π/2).

Study convex capillary hypersurfaces with prescribed curvature in a spherical cap.

problem Prescribed curvature problem for convex capillary hypersurfaces.
method Reformulated as Hessian quotient equation with Robin boundary condition.
result Existence of strictly convex capillary hypersurface with prescribed curvature.

PRISM integrates diverse rewards in MORL, improving sample efficiency and Pareto coverage.

problem Heterogeneous MORL where dense objectives dominate, leading to poor sample efficiency.
method PRISM uses reflectional symmetry and ReSymNet to reconcile temporal-frequency mismatches and accelerate exploration.
result PRISM consistently outperforms sparse-reward baselines and oracles, achieving significant Pareto gains.

We derive an analytic formula for the dual Jacobian matrix of a generalised hyperbolic tetrahedron. Two cases are considered: a mildly truncated and a prism truncated tetrahedron. The Jacobian for the latter arises as an analytic continuation of the former, that falls in line with a similar behaviour of the correspondi…

2014-09-11abs ↗pdf ↗

The paper solves a specific Minkowski problem for capillary hypersurfaces.

problem Finding capillary convex bodies with prescribed dual curvature measures.
method Reduction to a Monge-Ampère type equation with Robin boundary condition.
result Existence and uniqueness of a smooth solution for θ(0,π2)θ\in (0,\fracπ{2}).

Paper extends capillary convex body results to anisotropic setting with Alexandrov-Fenchel inequalities.

problem Extending capillary convex body results to anisotropic setting.
method Developed theory for anisotropic capillary convex bodies in half-space and established Alexandrov-Fenchel inequality for mixed volumes.
result Established a general Alexandrov-Fenchel inequality for mixed volumes of anisotropic capillary convex bodies, weakening and extending previous results.

Study proves rigidity of capillary surfaces in curved 3D spaces.

problem Proving rigidity of capillary surfaces in curved 3D spaces.
method Local rigidity result for infinitesimally rigid capillary surfaces in Riemannian 3-manifolds with mean convex boundary.
result Bounds on genus, boundary components, and area of compact capillary minimal surfaces with low index.

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 proves inequality for capillary hypersurfaces in a wedge.

problem Proving a best version of Heintze-Karcher inequality for capillary hypersurfaces.
method Utilized Heintze-Karcher method and modified parallel hypersurfaces.
result Classified capillary constant mean curvature hypersurfaces hitting the edge in a wedge.

The paper examines stable capillary hypersurfaces in hyperbolic space.

problem Stability of capillary hypersurfaces with free boundary on a horosphere.
method Analysis of umbilical and totally geodesic hypersurfaces using stability criteria.
result Umbilical and totally geodesic hypersurfaces are the only stable capillary hypersurfaces with boundary on a horosphere.

Paper proves inequality linking capillary surfaces to Finsler geometry.

problem Proving a Heintze-Karcher inequality for capillary hypersurfaces.
method Introduced a Finsler metric for geodesic flow and studied the hypersurface properties.
result Established a new inequality relating capillary surfaces to Finsler geometry.