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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.

168,742 papers · 148 categories

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85170254339 · Jun 202019922001200920172026
48 results for low energy surfaces

Classifies low-energy harmonic maps from curved surfaces to spheres.

problem Classifying harmonic maps from curved surfaces to spheres under low energy conditions.
method Classifies maps via bubble scales and centers, focusing on degree-one maps as α approaches 1.
result Degree-one αα-harmonic maps blow a bubble based at a critical point of a function J\mathcal{J}, which is the sum of squares of holomorphic one-forms.

Study magnetic Laplacians on hyperbolic surfaces, revealing three regimes of eigenfunction behavior.

problem Investigate semiclassical defect measures of magnetic Laplacians on hyperbolic surfaces.
method Analyze eigenfunctions in low, critical, and high energy regimes using quantum ergodicity and equidistribution.
result Eigenfunctions in different regimes converge to distinct measures: invariant, Liouville, or equidistributed.

Study perturbs Dirac operators in any dimension, focusing on Majorana fermions.

problem Understanding perturbations of Dirac operators in various dimensions.
method Analyzes canonical perturbations of Dirac operators on Hermitian Clifford modules.
result Characterizes the low-energy spectrum of these operators on complete surfaces.

New solutions found for bending of flat surfaces and origami structures.

problem Understanding the energy-efficient bending modes of origami tessellations and corrugated shells.
method Direct construction of closed-form solutions for surfaces of translation.
result Three inextensional modes identified for surfaces of translation, including stretching, bending, and twisting.

On a compact surface endowed with any $\Spinc$ structure, we give a formula involving the Energy-Momentum tensor in terms of geometric quantities. A new proof of a Bär-type inequality for the eigenvalues of the Dirac operator is given. The round sphere S2\mathbb{S}^2 with its canonical $\Spinc$ structure satisfies the …

2012-04-02abs ↗pdf ↗

The paper studies magnetic curvature and proves the existence of closed orbits on low energy levels.

problem Existence of closed magnetic geodesics on low energy levels.
method Derived magnetic curvature operator and used Bonnet-Myers argument.
result Established the existence of a contractible periodic orbit on closed manifolds.

Gaussian process regression loses locality in high dimensions, affecting molecular energy surface fitting.

problem Loss of locality in high-dimensional Gaussian process regression.
method Analysis of Matern family kernels and multi-zeta basis functions.
result The property of locality disappears in high dimensions, impacting regression quality.

Study small perturbations on low energy Laplace eigenfunctions.

problem Understanding small changes in low energy Laplace eigenfunctions.
method Investigates nodal geometry and topology, focusing on low frequency regimes and small perturbations.
result Highlight interesting aspects of spectral theory and nodal phenomena tied to ground state/low energy eigenfunctions.

The paper analyzes the emergence of almost-honeycomb structures in low-energy planar clusters.

problem Understanding the formation of shapes resembling honeycombs in low-energy configurations.
method Detailed quantitative estimates and a revision of the global isoperimetric principle for honeycomb clusters.
result The majority of chambers in low-energy planar clusters are generalized hexagons, closely resembling regular hexagons.

Gradient flows for surface energies with tensor fields are derived and analyzed.

problem Deriving consistent gradient flows for surface energies involving tensor fields.
method Introducing different gauges of surface independence and demonstrating their effects on energy decrease.
result Consistent choice of gauge and time derivative is necessary for energy decrease.

New foliations found for critical surfaces of Hawking energy, resolving discrepancies.

problem Finding consistent critical surfaces for the Hawking energy in non-totally geodesic spacelike hypersurfaces.
method Constructing a unique local foliation of area constrained critical surfaces of the Hawking energy in the general case of non-totally geodesic spacelike hypersurfaces.
result Discrepancy found in the small sphere limit of the Hawking energy, explained and resolved.

Analyzes Willmore flow for graphs with boundary data, proving existence and convergence.

problem Willmore flow of graphs with boundary conditions over bounded domains.
method Developed low-regularity theory, reformulated graphical equation, used time-weighted parabolic Hölder spaces.
result Proved short-time and global existence for initial data in C1+α(Ω)C^{1+α}(\overlineΩ) and Lipschitz, with exponential convergence.

The Hawking energy is nonnegative and rigid on area-constrained surfaces in general relativity.

problem The rigidity and positivity of the Hawking energy on specific surfaces in general relativity.
method Evaluation of the Hawking energy on area-constrained critical surfaces under the dominant energy condition.
result The Hawking energy is nonnegative and rigid on area-constrained surfaces, including charged and cosmological constant variants.

We consider the reduction along two compact directions of a twisted N=4 gauge theory on a 4-dimensional orientable manifold which is not a global product of two surfaces but contains a non-orientable surface. The low energy theory is a sigma-model on a 2-dimensional worldsheet with a boundary which lives on branes cons…

2018-04-30abs ↗pdf ↗

Study on surfaces minimizing elastic energy with boundary constraints.

problem Finding stable configurations of surfaces with elastic boundaries and surface energy.
method Investigation of critical surfaces with mean curvature and spontaneous curvature, coupled to boundary elastic energy.
result Characterization and minimization of surface energy for specific topological shapes.

Paper connects free-energy and low-degree hardness in high-dimensional statistics.

problem High-dimensional statistical inference problems are computationally hard.
method Defines a free-energy criterion and connects it to low-degree hardness.
result Establishes connection between free-energy and low-degree hardness for Gaussian models.

This paper tackles energy-efficient machine learning on low-power devices.

problem Energy consumption in machine learning due to data communication.
method Dynamic averaging for integer exponential families on low-power processors.
result Achieves comparable model quality with significantly less communication and energy.

Study on kk-surfaces in negatively curved 3-manifolds, focusing on energy and entropy.

problem Understanding the growth rate and asymptotic behavior of kk-surfaces in negatively curved 3-manifolds.
method Proved results on the asymptotic behavior of high energy kk-surfaces, including upper bounds and rigidity theorems.
result Determined a rigid upper bound for the growth rate of quasi-Fuchsian kk-surfaces in negatively curved 3-manifolds.

Constructs foliations of critical surfaces for Hawking energy in asymptotically flat initial data sets.

problem Positivity and rigidity of Hawking quasi-local energy in asymptotically flat spacetimes.
method Lyapunov-Schmidt reduction within a Willmore-foliation framework.
result Existence and uniqueness of foliations by Hawking surfaces, positivity and large-sphere limit of Hawking energy.

We prove a bubble-neck decomposition together with an energy quantization result for sequences of Willmore surfaces into an arbitrary euclidian space with uniformly bounded energy and non-degenerating conformal type. We deduce the strong compactness of Willmore closed surfaces of a given genus modulo the Möbius group a…

2011-06-19abs ↗pdf ↗

Study existence of harmonic and Dirac-harmonic maps from degenerating surfaces.

problem Existence of harmonic and Dirac-harmonic maps from degenerating surfaces.
method Using the Sacks and Uhlenbeck scheme, analyze a sequence of maps from degenerating surfaces to non-positive curved manifolds.
result Existence of limiting harmonic and Dirac-harmonic maps under certain conditions.

SEFR is a fast, energy-efficient classifier for ultra-low power devices.

problem Running machine learning on battery-powered devices is challenging due to time and energy constraints.
method SEFR is an ultra-low power classifier with linear time complexity for training and testing.
result SEFR is 63 times faster and 70 times more energy efficient than state-of-the-art classifiers.

The paper studies harmonic graphs in the Heisenberg group and their properties.

problem No analogous theorem exists for HH-minimal surfaces in the Heisenberg group.
method Introduced intrinsic Dirichlet energy and studied its critical points (contact harmonic graphs).
result Calibration condition and construction of energy-minimizing graphs with various singularities.

Study introduces weak elastic energy for curves on Riemannian surfaces.

problem Detecting curvature of curves on Riemannian surfaces.
method Relaxation starting from inscribed geodesic polygonals, defined in normalized isothermal coordinates.
result Relaxed energy detects intrinsic second-order Sobolev regularity and agrees with geodesic curvature.

Study analyzes low-energy behavior of Schrödinger operators with Coulomb potentials.

problem Analyzing the limiting resolvent of Schrödinger operators at low energies.
method Using Vasy's second microlocal approach (Lagrangian approach), uniformly analyzing the resolvent from E=0E=0.
result Obtained oscillatory asymptotics for the resolvent output at low energy, differing from short-range cases.

Proves energy quantization for surfaces with bounded index.

problem Energy quantization for Willmore surfaces with bounded index.
method Translated the question to the conformal Gauss map's perspective and showed convergence in specific regions.
result Conformal Gauss map converges to a light-like geodesic in De Sitter space in neck or collar regions.