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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.

168,657 papers · 148 categories

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48 results for 5D Sphere

Article generalizes open book construction for 5D contact pairs.

problem Constructing compatible open books on relative contact pairs.
method Introduces generalized square bridge position for 5D Legendrian links.
result Algorithm constructs relative open book decompositions on relative contact pairs.

The study connects surface geometry in 5D to 4D projections and umbilic curvatures.

problem Understanding the geometry of surfaces in 5D space.
method Relating surfaces in 5D to surfaces in 4D via projections and normal sections, analyzing asymptotic directions and umbilic curvatures.
result Relations between asymptotic directions and umbilic curvatures in 5D surfaces and their counterparts in 4D projections.

Paper characterizes a special hypersurface in 5D sphere.

problem Characterizing minimal hypersurfaces in S5\mathbb S^5.
method Analyzes hypersurfaces satisfying a specific curvature condition.
result Closed minimal hypersurfaces in S5\mathbb S^5 satisfying a certain curvature condition are either totally geodesic or congruent to the Cartan minimal hypersurface.

The paper confirms the existence of 5D regular static vacuum solutions with multiple black holes and Kasner asymptotics.

problem Existence of 5D regular static vacuum solutions with multiple black holes.
method Construction of specific examples with different horizon topologies and analysis of spacetime properties.
result Existence of 5D vacuum solitons with Kasner asymptotics and regular static space-periodic spacetimes.

GyroSwin models plasma turbulence with neural nets, reducing costs and capturing neglected nonlinearities.

problem Understanding plasma turbulence in fusion reactors, which impairs confinement and limits reactor design.
method Introduces GyroSwin, a scalable 5D neural surrogate that approximates 5D nonlinear gyrokinetic simulations.
result GyroSwin outperforms reduced models in heat flux prediction and captures turbulent energy cascade.

Novel gauge-theoretic Floer homologies defined from 5d N=2 theory, linking 4, 3, and 2-manifolds.

problem Defining and linking novel Floer homologies for different manifold dimensions.
method Physics of a topologically-twisted 5d N=2 gauge theory, Vafa-Witten, Hitchin, and BF configurations.
result Derived novel gauge-theoretic and symplectic Floer homologies, and Atiyah-Floer correspondences.

Paper shows rigidity of rotationally symmetric minimal hypersurfaces in 5D spaces.

problem Understanding rigidity of rotationally symmetric minimal hypersurfaces in 5D spaces.
method Pointwise hypersurface invariant analysis for minimal hypersurfaces in spaces of constant curvature.
result Rotationally symmetric minimal hypersurfaces in 5D spaces are rigid.

Paper derives a formula for renormalized area of minimal hypersurfaces in 5D Poincaré-Einstein spaces.

problem Calculating the renormalized area of minimal hypersurfaces in 5D Poincaré-Einstein spaces.
method Derives a Gauss-Bonnet formula for renormalized area in terms of scalar invariants and characterizes minimal hypersurfaces in terms of conformal geometry.
result Derives a formula expressing renormalized area in terms of integrals of scalar Riemannian invariants.

Neural surrogates speed up 5D gyrokinetic simulations of plasma turbulence.

problem Expensive numerical simulations of plasma turbulence hinder fusion reactor design.
method Trained a hierarchical vision transformer in 5D to predict plasma quantities faster.
result Neural surrogates predict plasma quantities two orders of magnitude faster than numerical codes.

5D AI model detects bad loans without biased features, improving consumer protection.

problem Detecting bad loans without biased features and improving consumer protection.
method Machine learning, BiMOPT features, European Banking Authority principles, AI principles, historical and validation datasets.
result 5D correctly detected 1,461 bad loans out of 1,613 (Sensitivity = 0.91, Prevalence = 0.0253, Positive Predictive Value = 0.19).

The paper generalizes knot invariants and their connections to quivers and ideals.

problem Understanding knot complements and their invariants.
method Generalizing FKF_K invariants, knots-quivers correspondence, and AA-polynomials; associating FKF_K to branch of AA-polynomial; quiver generating series; RR-matrices; quantum aa-deformed AA-polynomial; 3d-5d theory.
result Explicit expressions for FKF_K invariants and their quiver representations for several simple knots.

In 5D, integrability is linked to curvature constraints of subconformal structures.

problem Dispersionless integrability in 5D partial differential equations.
method Relating integrability to curvature constraints of subconformal structures.
result In 5D, integrability is characterized by the vanishing of a certain curvature of the subconformal structure.

Deep reinforcement learning has shown its success in game playing. However, 2.5D fighting games would be a challenging task to handle due to ambiguity in visual appearances like height or depth of the characters. Moreover, actions in such games typically involve particular sequential action orders, which also makes the…

2018-05-05abs ↗pdf ↗

We give an explicit construction of vertex-transitive tight triangulations of dd-manifolds for d2d\geq 2. More explicitly, for each d2d\geq 2, we construct two (d2+5d+5)(d^2+5d+5)-vertex neighborly triangulated dd-manifolds whose vertex-links are stacked spheres. The only other non-trivial series of such tight triangulated …

2012-10-03abs ↗pdf ↗

The 'anholonomic frame' method (see gr-qc/0005025, gr-qc/0001060 and hep-th/0110250) is applied for constructing new classes of exact solutions of vacuum Einstein equations with off-diagonal metrics in 4D and 5D gravity. We examine several black tori solutions generated by anholonomic transforms with non-trivial topolo…

2001-10-30abs ↗pdf ↗

We briefly review the current situation with various relations between knot/braid polynomials (Chern-Simons correlation functions), ordinary and extended, considered as functions of the representation and of the knot topology. These include linear skein relations, quadratic Plucker relations, as well as "differential" …

2012-08-10abs ↗pdf ↗

5D gauge theories are dual to 3D and 2D models via Floer homologies.

problem Exploring dualities in 5D gauge theories and their 3D and 2D counterparts.
method Using Landau-Ginzburg models and Floer homologies, the paper establishes dualities between different gauge theories and their associated homologies.
result Dual AA_\infty-categories of Floer homologies are derived, proving mirror symmetry and Langlands duality.

The paper finds solutions for specific curvature conditions on 5D Lie groups.

problem Finding metrics with prescribed Ricci curvature on 5D nilpotent Lie groups.
method Applied Milnor-type theorem technique to prove global existence of (g, c).
result Global existence of (g, c) for prescribed Ricci curvature on 5D nilpotent Lie groups.

Paper proves existence of minimum energy solutions in 5D contact spin manifolds.

problem Finding minimum energy solutions for CR Yamabe equation in 5D contact spin manifolds.
method Spinorial approach based on a positive mass theorem.
result Existence of minimum energy solutions in 5D contact spin manifolds.

Study of 5D SYM theory on toric surfaces yields refined Vafa-Witten invariants.

problem Computing partition functions in 5D SYM theory on toric surfaces.
method Supersymmetric localization, Nekrasov partition functions, moduli space of sheaves.
result Found correspondence between poles and torus-fixed points in moduli space, leading to refined Vafa-Witten invariants.

The paper derives curvature identities for 5D and 6D Einstein manifolds.

problem Deriving curvature identities for specific dimensions of Einstein manifolds.
method Using Patterson's curvature identities and the Chern-Gauss-Bonnet Theorem, the paper provides explicit formulae for 5D and 6D Einstein manifolds.
result The curvature identities for 5D and 6D Einstein manifolds are confirmed to be consistent with previous work.

We construct a new class of exact solutions describing spacetimes possessing Lie algebroid symmetry. They are described by generic off-diagaonal 5D metrics embedded in bosonic string gravity and possess nontrivial limits to the Einstein gravity. While we focus on nonholonomic vielbein transforms of the Schwarzschild me…

2005-01-19abs ↗pdf ↗

Paper classifies Schouten-like metrics on 5D nilpotent Lie groups.

problem Finding Riemannian metrics with prescribed Ricci curvature.
method Introduced Schouten-like metrics and classified them on 5D nilpotent Lie groups.
result Comprehensive classification of 5D nilpotent Lie groups' Schouten-like metrics.

Derive K-theoretic Donaldson invariants for various 4-manifolds using path integrals and topological twists.

problem Calculate K-theoretic Donaldson invariants for different 4-manifolds.
method Topological twisting of 5d Yang-Mills theory, integration over Coulomb branch, equivariant localization.
result Agree with previous results for algebraic surfaces and derive new invariants for more general manifolds.

The article examines how many stabilizations are needed to transform 5D s-cobordisms into product cobordisms.

problem Understanding the number of stabilizations required to convert 5D s-cobordisms into product cobordisms.
method Utilizes Gabai's 4D light bulb theorem and Freedman Quinn invariant.
result Determines the number of stabilizations needed for 5D s-cobordisms.