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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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48 results for Minkowski surfaces

The paper describes timelike surfaces with a canonical null direction in Minkowski space.

problem Characterizing timelike surfaces with a canonical null direction.
method Analyzing ruled and non-ruled surfaces, using the Gauss map.
result Properties of timelike surfaces with a canonical null direction in different dimensions.

The paper examines isometric timelike surfaces in 4D Minkowski space.

problem Analyzing geometric properties of isometric timelike surfaces.
method Study of Bour's theorem for four kinds of timelike helicoidal surfaces, analysis of geometric properties, presentation of parametrizations.
result Introduction of isometric pairs of timelike surfaces with same Gauss map.

The paper studies surfaces in Minkowski space with constant curvature.

problem Properly embedded spacelike surfaces in Minkowski 3-space with constant Gaussian curvature.
method Classification of surfaces with bounded prescribed Gaussian curvature, proving uniqueness of foliations.
result Every regular domain not a wedge is uniquely foliated by properly embedded convex surfaces of constant Gaussian curvature.

The paper constructs scalar invariants for surfaces in a 3-sphere using Minkowski spacetime.

problem Constructing scalar invariants for surfaces in a 3-sphere.
method Using conformal geometry and Minkowski spacetime, the paper constructs scalar invariants.
result Local scalar invariants for surfaces in conformal 3-sphere are derived.

Paper studies singularities of timelike minimal surfaces in Minkowski 3-space.

problem Exploring singularities of timelike minimal surfaces in Minkowski 3-space.
method Existence and non-existence theorems, criteria for specific singularities.
result Various singularities unique to timelike minimal surfaces, including cuspidal butterfly and (2,5)(2,5)-cuspidal edge.

The study generalizes Minkowski inequalities for curves on surfaces.

problem Generalizing Minkowski inequalities for curves on Riemannian surfaces.
method Introducing a generalized Minkowski average using parametrized curves and proving the inequality for constant-speed curves.
result A family of constant-speed curves on a Riemannian surface satisfies the Brunn-Minkowski inequality with respect to the Riemannian area form if and only if the geodesic curvature is determined by a function κ satisfying a specific inequality.

Study surfaces with nonvanishing Gauss curvature in Lorentz-Minkowski space.

problem Characterizing surfaces with specific curvature properties in Lorentz-Minkowski space.
method Analyzing surfaces satisfying ΔIIIx = Ax, where III is the second fundamental form.
result Surfaces are either minimal or pseudospheres with real or imaginary radii.

Study timelike surfaces with parallel mean curvature in Minkowski 4-space.

problem Existence and uniqueness of timelike surfaces with parallel mean curvature.
method Introduce canonical parameters and prove existence and uniqueness theorem.
result Each timelike surface with parallel mean curvature is determined by three geometric functions.

In this paper we study lightlike surfaces of Minkowski 3- space such that they have degenerate or non-degenerate planar normal sections. We first show that every lightlike surface of Minkowski 33- space has degenerate planar normal sections. Then we study lightlike surfaces with non-degenerate planar normal sections a…

2013-01-24abs ↗pdf ↗

The paper classifies maximal translation surfaces in Lorentz-Minkowski space.

problem Classifying maximal translation surfaces in Lorentz-Minkowski space.
method Analyzing surfaces defined as the sum of two spatial curves, proving properties of generating curves, and classifying surfaces based on curve types.
result A full description of maximal translation surfaces, including new examples not found in Euclidean space.

The study classifies special spacelike surfaces in Minkowski 4-space.

problem Classifying meridian surfaces in Minkowski space.
method Constructing and classifying meridian surfaces of parabolic type with specific curvature properties.
result Complete classification of meridian surfaces of parabolic type with constant Gauss or mean curvature.

The paper studies helicoidal surfaces of non-lightlike frontals in Lorentz-Minkowski 3-space.

problem Investigating the properties and singularities of helicoidal surfaces in Lorentz-Minkowski space.
method Defining and analyzing two types of helicoidal surfaces, using diffeomorphic transformations and criteria for cusps and cuspidal edges.
result Identification theorems for the singular types of both 1-type and 2-type helicoidal surfaces.

Study bifurcations of curves on surfaces in Minkowski 3-space.

problem Understanding the behavior of curves on surfaces in Minkowski 3-space.
method Analyzing the degeneracy of induced pseudo metric, discriminant of principal curvatures, parabolic curve, and mean curvature vanishing points.
result Bifurcations of robust features on surfaces in Minkowski 3-space.

Study of timelike surfaces in Minkowski space with specific geometric properties.

problem Characterizing geometric properties of timelike surfaces in Minkowski space.
method Analytical study of two types of timelike general rotational surfaces.
result Explicit descriptions of minimal and surfaces with specific curvature properties.

Study on focal surfaces of lightcone framed surfaces in Lorentz-Minkowski 3-space.

problem Investigate differential geometry properties of focal surfaces of lightcone framed surfaces.
method Introduced lightcone frame to define lightcone framed surfaces, then investigated their differential geometry properties.
result Investigated differential geometry properties of focal surfaces of lightcone framed surfaces.

New approach classifies rotational Weingarten surfaces in Lorentz-Minkowski space.

problem Classifying rotational Weingarten surfaces in Lorentz-Minkowski space.
method Using geometric linear momentum of generatrix curves with respect to axes of revolution.
result Unified framework for three causal types of rotation axes.

The paper provides Enneper representations for minimal surfaces in Lorentz-Minkowski space.

problem Finding representations for minimal surfaces in Lorentz-Minkowski space.
method Using complex and paracomplex analysis, the paper constructs Enneper representations for both spacelike and timelike minimal surfaces.
result Various examples of minimal surfaces in L3L^{3} are constructed using the Enneper representation formula.

Solves PDE system for minimal space-like surfaces in Minkowski space-time.

problem Solving the system of natural PDE's for minimal space-like surfaces.
method Using canonical Weierstrass representations, solves the system explicitly.
result Expresses solutions by means of two holomorphic functions.

The study uses isothermic coordinates to analyze space-like surfaces with constant curvature.

problem Global properties of space-like surfaces with constant mean curvature in Lorentz-Minkowski space.
method Isothermic coordinate systems
result Global properties of space-like surfaces with constant mean curvature explored.

The paper studies deformations of mixed type surfaces in Lorentz-Minkowski space.

problem Deformations of mixed type surfaces with singular points.
method Introduced L-Gauss map around non-degenerate lightlike points to prove fundamental theorem of surface theory.
result Real analytic mixed type surfaces admit non-trivial isometric deformations around generic lightlike points.

New Steiner formula for LpL_p affine surface area in Minkowski theory.

problem Developing a new Steiner formula for LpL_p affine surface area.
method Proving a new Steiner formula for the LpL_p affine surface area of a Minkowski outer parallel body.
result New curvature measures with properties not previously seen in literature.

The paper classifies ruled surfaces in Lorentz-Minkowski space that are stationary for the moment of inertia.

problem Classifying ruled surfaces in Lorentz-Minkowski space that are stationary for the moment of inertia.
method Maximum principle applications, classification based on causal character of rulings.
result Planes are the only cylindrical stationary surfaces. For non-cylindrical surfaces, classification depends on the causal character of the rulings.

Classifies zero mean curvature surfaces in Lorentz-Minkowski space by their causal characters.

problem Classifying zero mean curvature surfaces in Lorentz-Minkowski space.
method Classification based on foliation by circles and straight lines in parallel planes.
result Surfaces with exactly two causal characters have a lightlike part as a straight line.

Study on dual surfaces of rotational minimal and maximal in Euclidean and Lorentz-Minkowski spaces.

problem Investigating the duality between minimal and maximal surfaces in different spaces.
method Analysis of rotational surfaces and use of one-parameter group of rotations.
result Family of Bonnet minimal and maximal surfaces emerge in the duality process.

Paper classifies ruled surfaces in Lorentz-Minkowski space for a specific flow.

problem Classifying ruled surfaces in Lorentz-Minkowski space.
method Examining homothetic self-similar solutions of the inverse mean curvature flow.
result Existence of two classes of non-cylindrical homothetic solitons.

Study modular surfaces in Lorentz-Minkowski 3-space, classifying and analyzing their curvature and applications.

problem Understanding the curvature properties of modular surfaces in Lorentz-Minkowski space.
method Analyzing the sign of Gaussian and mean curvature, classifying surfaces, and applying to conformal field theories.
result Complete classification of zero Gaussian curvature modular surfaces and non-existence of non-planar maximal modular surfaces.

Study of lightcone framed surfaces in Lorentz-Minkowski 3-space, focusing on curvature behavior.

problem Investigate differential geometric properties of lightcone framed surfaces.
method Introduced modified frame to study the properties of lightcone framed surfaces.
result Showed behavior of Gaussian and mean curvatures at lightlike and singular points.

The study extends Legendre and slant curves to Minkowski surfaces, providing new characterizations.

problem Characterizing N-Legendre and N-slant curves in Minkowski surfaces.
method Extending previous work on Legendre and slant curves to Minkowski surfaces, analyzing properties under the induced Sasaki metric.
result Several important characterizations of N-Legendre and N-slant curves in Minkowski surfaces are provided.

Geometric description of Riemann zero mean curvature surfaces in Lorentz-Minkowski space.

problem Characterizing surfaces with zero mean curvature in Lorentz-Minkowski space.
method Geometric description of surfaces in spacelike and timelike planes.
result New features of zero mean curvature surfaces in Lorentz-Minkowski space.