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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.

168,694 papers · 148 categories

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48 results for complete classification

Ancient solutions to Kähler Ricci flow classified completely.

problem Ancient solutions to Kähler Ricci flow with nonnegative bisectional curvature.
method Complete classification of κ-noncollapsed, complete ancient solutions.
result Classification of all ancient solutions to Kähler Ricci flow with nonnegative bisectional curvature.

Completed classification of Einstein spaces with specific metric properties.

problem Classifying Einstein spaces with a specific type of Stackel metric.
method Invariant under three-parameter abelian group of motions, completed classification of vacuum and electrovacuum spaces.
result Complete list of metrics for Einstein spaces in privileged coordinate systems.

We complete the classification of rank two affine manifolds in the moduli space of translation surfaces in genus three. Combined with a recent result of Mirzakhani and Wright, this completes the classification of higher rank affine manifolds in genus three.

2016-12-21abs ↗pdf ↗

In this paper, we completely classify homogeneous production functions with an arbitrary number of inputs whose production hypersurfaces are flat. As an immediate consequence, we obtain a complete classification of homogeneous production functions with two inputs whose production surfaces are developable.

2013-09-14abs ↗pdf ↗

The study classifies certain types of incomplete surfaces with low curvature.

problem Classifying incomplete affine spheres with specific curvature constraints.
method Analyzing total curvature and asymptotic behavior of surfaces.
result New examples of incomplete affine spheres with positive genus found.

The aim of this paper is to complete the local classification of minimal hypersurfaces with vanishing Gauss-Kronecker curvature in a 4-dimensional space form. Moreover, we give a classification of complete minimal hypersurfaces with vanishing Gauss-Kronecker curvature and scalar curvature bounded from below.

2010-10-24abs ↗pdf ↗

Complete classification of quaternionic skew-Hermitian symmetric spaces found.

problem Classifying quaternionic skew-Hermitian symmetric spaces.
method Proving the existence of a torsion-free mSO(2n)mSp(1){ m SO}^{*}(2n){ m Sp}(1)-structure and showing that any homogeneous space is symmetric.
result A complete classification of quaternionic skew-Hermitian symmetric spaces for arbitrary n>1n>1.

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.

In this paper we complete the classification of topological symmetry groups for complete graphs KnK_n by characterizing which KnK_n can have a cyclic group, a dihedral group, or a subgroup of Dm×DmD_m \times D_m where mm is odd, as its topological symmetry group.

2012-05-07abs ↗pdf ↗

Complete classification of homogeneous real hypersurfaces in complex 3-space.

problem Classifying locally homogeneous real hypersurfaces in C3\mathbb C^3.
method Classification of abstract 5-dimensional real Lie algebras and their representations by algebras of holomorphic vector fields in complex 3-space.
result 47 types of homogeneous hypersurfaces, including 1- or 2-parametric families and single hypersurfaces/families.

In this paper we give a complete local parametric classification of the hypersurfaces with dimension at least three of a space form that carry a totally geodesic foliation of codimension one. A classification under the assumption that the leaves of the foliation are complete was given in \cite{drt} for Euclidean hypers…

2018-04-03abs ↗pdf ↗

The purpose of this paper is to study complete λλ-surfaces in Euclidean space R3\mathbb R^3. A complete classification for 2-dimensional complete λλ-surfaces in Euclidean space R3\mathbb R^3 with constant squared norm of the second fundamental form is given.

2018-07-18abs ↗pdf ↗

This paper completes the classification of discrete conformal structures on surfaces.

problem Classifying discrete conformal structures on surfaces.
method Axiomatic approach and study of existing structures.
result Find new classes of discrete conformal structures, including generalized circle packing metrics.

Proves classification of 4D complete intersections up to diffeomorphism.

problem Classifying 4-dimensional complete intersections up to diffeomorphism.
method Uses Hambleton-Madsen theory of degree-dd normal maps and connects Segal Conjecture for S1S^1 to Sullivan Conjecture.
result Proves the Sullivan Conjecture for 4-dimensional complete intersections.

Classification of cubics (that is, third order planar curves in the R2R^2 up to certain transformations is interested since Newton, and treated by several authors. We classify cubics up to affine transformations, in seven class, and give a complete set of representatives of the these classes. This result is complete an…

2005-07-19abs ↗pdf ↗

This paper completes the classification of certain nilpotent Lie groups with specific geometric structures.

problem Classifying nilpotent Lie groups with purely coclosed G2-structures.
method Analyzing seven-dimensional nilpotent Lie groups of various steps.
result Classification of indecomposable 5- and 6-step nilpotent Lie groups with these structures.

The purpose of this paper is to study complete self-shrinkers of mean curvature flow in Euclidean spaces. In the paper, we give a complete classification for 2-dimensional complete Lagrangian self-shrinkers in Euclidean space R4\mathbb R^4 with constant squared norm of the second fundamental form.

2018-02-07abs ↗pdf ↗

We give a complete classification of exceptional surgeries on hyperbolic alternating knots in the 3-sphere. As an appendix, we also show that the Montesinos knots M (-1/2, 2/5, 1/(2q + 1)) with q at least 5 have no non-trivial exceptional surgeries. This gives the final step in a complete classification of exceptional …

2013-10-13abs ↗pdf ↗

Paper classifies pseudomanifolds over stratified spaces.

problem Classifying pseudomanifolds over stratified spaces.
method Introducing locally standard TT-pseudomanifolds and using characteristic data.
result Locally standard TT-pseudomanifolds over topological stratified pseudomanifolds are classified by their characteristic data.

This paper classifies complete self-shrinkers in R^(n+1) with nonnegative constant scalar curvature.

problem Classifying self-shrinkers with specific curvature conditions.
method Analyzing the mean curvature flow and using geometric properties.
result Complete classifications of n-dimensional self-shrinkers in R^(n+1) with nonnegative constant scalar curvature.

We determine all complete projective special real surfaces. By the supergravity r-map, they give rise to complete projective special Kähler manifolds of dimension 6, which are distinguished by the image of their scalar curvature function. By the supergravity c-map, the latter manifolds define in turn complete quaternio…

2013-02-19abs ↗pdf ↗

Complete shrinking soliton found on a specific complex surface.

problem Classifying complete shrinking gradient Kähler-Ricci solitons in two complex dimensions.
method Proved existence of a unique soliton with bounded scalar curvature on a specific blowup.
result Complete classification of such solitons in two complex dimensions.

A complete classification of left-invariant closed G2-structures on Lie groups which are extremally Ricci pinched, up to equivalence and scaling, is obtained. There are five of them, they are defined on five different completely solvable Lie groups and the G2-structure is exact in all cases except one, given by the onl…

2019-09-23abs ↗pdf ↗

Study geodesic curves on Heisenberg group, classify them, and compute first step of quadrature.

problem Classifying geodesic curves on the Heisenberg group.
method Completely integrable Hamiltonian system, classification of geodesic curves.
result Complete classification of geodesic curves on the Heisenberg group.

We study symmetric affine surfaces which have non-vanishing torsion tensor. We give a complete classification of the local geometries possible if the torsion is assumed parallel. This generalizes a previous result of Opozda in the torsion free setting; these geometries are all locally homogeneous. If the torsion is not…

2019-10-22abs ↗pdf ↗