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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.

168,742 papers · 148 categories

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285785113 · Jun 202019922001200920172026
48 results for dual Minkowski norm

Derives stability for curvature measure near constant density, proving dual Minkowski problem solutions.

problem Stability of curvature measure near constant density
method Derives stability result for curvature measure, proves existence and uniqueness of solutions to dual Minkowski problem.
result Existence and uniqueness of solutions to dual Minkowski problem for positive indices, stability result for curvature measure.

Consider a convex polygon P in the plane, and denote by U a homothetical copy of the vector sum of P and (-P). Then the polygon U, as unit ball, induces a norm such that, with respect to this norm, P has constant Minkowskian width. We define notions like Minkowskian curvature, evolutes and involutes for polygons of con…

2014-06-12abs ↗pdf ↗

Researchers prove uniqueness and continuity of solution to L_p dual Minkowski problem.

problem Proving uniqueness and continuity of solution to L_p dual Minkowski problem.
method Established new Minkowski-type inequalities related to optimization problem.
result Uniqueness and continuity of solution for general convex bodies when q<pq < p.

This paper solves the dual Minkowski problem for q-torsional rigidity.

problem The dual Minkowski problem for q-torsional rigidity.
method Introduced the p-th dual q-torsional measure and solved the p-th dual Minkowski problem for q-torsional rigidity using a Gauss curvature flow.
result Existence of smooth even and non-even solutions to the p-th dual Minkowski problem for q-torsional rigidity.

Study anisotropic inverse Gauss curvature flows and solve dual Orlicz Minkowski problems.

problem Solving dual Orlicz Minkowski problems for anisotropic flows.
method Anisotropic inverse Gauss curvature flows and stationary solutions.
result New existence results for dual Orlicz Minkowski problems for smooth measures.

This paper introduces the dual Orlicz-Brunn-Minkowski theory for star sets. A radial Orlicz addition of two or more star sets is proposed and a corresponding dual Orlicz-Brunn-Minkowski inequality is established. Based on a radial Orlicz linear combination of two star sets, a formula for the dual Orlicz mixed volume is…

2014-07-28abs ↗pdf ↗

Characterizes sample complexity for outcome indistinguishability in machine learning.

problem Outcome indistinguishability in machine learning, focusing on distinguishers and predictors.
method Sample complexity characterized by metric entropy of predictor and distinguisher classes, using dual Minkowski norms.
result Equivalence and tightness of sample complexity characterizations in distribution-specific and distribution-free settings.

The paper classifies curves in dual affine and Lorentz-Minkowski planes with constant curvature.

problem Classifying curves with constant curvature in dual affine and Lorentz-Minkowski planes.
method Investigation of invariants under equiaffine transformations and explicit equations for curves with constant curvature.
result Curves with constant curvature in dual affine and Lorentz-Minkowski planes are classified.

Study anisotropic flows without global terms and solve dual Orlicz Christoffel-Minkowski problems.

problem Anisotropic flows without global forcing terms and dual Orlicz Christoffel-Minkowski problems.
method Existence results for dual Orlicz Christoffel-Minkowski type problems via stationary solutions of anisotropic flows.
result Existence results for a class of dual Orlicz Christoffel-Minkowski type problems.

Paper solves dual Minkowski problem in 2D plane for specific curvature cases.

problem Finding the number of solutions to the dual Minkowski problem in 2D with constant curvature.
method Combining theoretical analysis and numerical estimation of an integral with parameters.
result Found the number of solutions for the constant dual curvature case when 0<q40<q\leq4.

In this paper, the dual Orlicz curvature measure is proposed and its basic properties are provided. A variational formula for the dual Orlicz-quermassintegral is established in order to give a geometric interpretation of the dual Orlicz curvature measure. Based on the established variational formula, a solution to the …

2017-03-20abs ↗pdf ↗

Unified Minkowski problem discussed for (p,q)-mixed quermassintegrals.

problem Unified Minkowski problem for (p,q)-mixed quermassintegrals.
method Introducing (p,q)-mixed quermassintegrals and (p,q)-dual mixed curvature measure to study the Minkowski problem.
result Derivation of important properties and geometric inequalities for (p,q)-mixed quermassintegrals.

The paper proves conjectures about Minkowski norms with specific symmetry groups.

problem Proving conjectures about Minkowski norms with certain symmetries.
method Analyzing isometries of the Hessian metric for Minkowski norms invariant under SO(k)imesSO(nk)SO(k) imes SO(n-k).
result Proves Laugwitz and Landsberg Unicorn conjectures for Minkowski norms with the specified symmetry.

We introduce and study deformation Tb,φT_{{\bf b},φ} of Minkowski norms in Rn\mathbb{R}^n, determined by a set b=(β1,,βp){\bf b}=(β_1,\ldots,β_p) of linearly independent 1-forms and a smooth positive function φφ of pp variables. In particular, the Tb,φT_{{\bf b},φ}-image of a Euclidean norm αα is a Minkowski norm, whose indicat…

2019-10-04abs ↗pdf ↗

Paper studies inverse curvature flows and solves related geometric problems.

problem Inverse curvature flows and related geometric problems.
method Analyzes a class of expanding flows with specific speeds and proves existence and convergence.
result Proves the existence and convergence of flows under certain conditions, leading to new solutions to geometric problems.

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}).

The paper studies Minkowski norms and Hessian isometries induced by isoparametric foliations on spheres.

problem Understanding Minkowski norms and Hessian isometries induced by isoparametric foliations.
method Constructing Minkowski norms using spherical coordinates, studying Hessian isometries using spherical local frames, and proving properties of these isometries.
result Proves the existence and properties of Hessian isometries induced by isoparametric foliations on spheres.

We prove an analogue of the classical Steiner formula for the LpL_p affine surface area of a Minkowski outer parallel body for any real parameters pp. We show that the classical Steiner formula and the Steiner formula of Lutwak's dual Brunn Minkowski theory are special cases of this new Steiner formula. This new Stein…

2018-11-17abs ↗pdf ↗

This paper classifies solutions for a specific geometric problem.

problem Classifying solutions for the planar isotropic LpL_p dual Minkowski problem.
method Converted the ODE for the solution into an integral and studied its asymptotic behavior, duality, and monotonicity.
result Complete classification of solutions for the equation.

Paper proves smoothness of solutions to a complex geometric problem.

problem Smoothness of solutions to the degenerate LpL_p Dual Minkowski problem.
method Inspired by Guan and Li's approach for the Aleksandrov problem, the authors derive C1,1C^{1,1} estimates.
result Proves solutions are C1,1C^{1,1} regular.

Paper solves a new Minkowski problem for a specific type of rigidity.

problem Solving a new Minkowski problem for a specific type of rigidity.
method Developed a nonlinear partial differential equation and used a curvature flow method.
result Existence of smooth non-even solutions to the p-th dual Minkowski problem for p < n-2.

The dual Minkowski problem for even data asks what are the necessary and sufficient conditions on an even prescribed measure on the unit sphere for it to be the qq-th dual curvature measure of an origin-symmetric convex body in Rn\mathbb{R}^n. A full solution to this is given when 1<q<n1 < q < n. The necessary and suffic…

2017-03-18abs ↗pdf ↗

The paper solves a generalized Christoffel-Minkowski problem using a curvature flow.

problem Solving the (p,q)-Christoffel-Minkowski problem.
method Investigating the problem via an expanding curvature flow.
result Existence and uniqueness of smooth solutions to the (p,q)-Christoffel-Minkowski problem.

Paper solves a geometric problem involving mixtures of area and curvature measures.

problem Investigates a geometric problem involving mixtures of area and curvature measures.
method Establishes a gradient estimate to prove the existence of a solution.
result Proves the existence of an even, smooth, strictly convex solution for 1<p<qk+11 < p < q \leq k + 1.

Proposes a new K-means method for efficient clustering of nonlinear data.

problem Challenges of kernel K-means, including high memory usage and computational inefficiency.
method Combines linear and nonlinear approaches using explicit feature maps based on spectral analysis.
result Demonstrates Explicit Kernel Minkowski Weighted K-means (Explicit KMWK-means) reduces memory usage and improves efficiency.

Study complete 3D λ-translators in Minkowski space with constant properties.

problem Classify 3D space-like λ-translators with specific constant properties.
method Obtained classification theorem through analysis of constant norm and f4f_{4}.
result Classification theorem for 3D complete space-like λ-translators.

The paper proves a Minkowski-like theorem for tetrahedra in dS3 and AdS3.

problem Formulating and proving a constant-curvature, holonomy-valued Lorentzian analogue of Minkowski theorem for tetrahedra.
method Formulated and proved a Lorentzian analogue of Minkowski theorem for tetrahedra in dS3 and AdS3.
result A unique strictly convex tetrahedron can be reconstructed from four non-trivial based SO+(1,2) holonomies.

Analogues of the classical inequalities from the Brunn-Minkowski theory for rotation intertwining additive maps of convex bodies are developed. Analogues are also proved of inequalities from the dual Brunn-Minkowski theory for intertwining additive maps of star bodies. These inequalities provide generalizations of resu…

2012-07-31abs ↗pdf ↗

We study contractivity properties of gradient flows for functions on normed spaces or, more generally, on Finsler manifolds. Contractivity of the flows turns out to be equivalent to a new notion of convexity for the functions. This is different from the usual convexity along geodesics in non-Riemannian Finsler manifold…

2010-09-13abs ↗pdf ↗