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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.

169,291 papers · 148 categories

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48 results for optimal packing

This paper optimizes neural network training by packing multiple models on a single GPU.

problem Efficiently sharing limited training resources among multiple neural network models.
method Proposes a primitive called 'pack' to jointly train multiple models on a single GPU.
result Significant performance improvements for hyperparameter tuning, up to 40% for two models.

CLAMP uses neural manifold packing to improve self-supervised learning.

problem Improving self-supervised learning for vision tasks.
method CLAMP recasts representation learning as a manifold packing problem, introducing a loss function inspired by particle systems.
result CLAMP achieves competitive performance with state-of-the-art models and separates neural manifolds effectively.

Develops Kleinian Sphere Packings and Bugs, proving their arithmetic origins.

problem Understanding sphere packings and their arithmetic origins in various dimensions.
method Introduces Kleinian Sphere Packings and Bugs, extending Arithmeticity Theorem.
result Kleinian packings and Bugs come from Q-arithmetic lattices of simplest type.

Proves rigidity of circle packings in the plane, generalizing previous work.

problem Rigidity of infinite inversive distance circle packings in the plane.
method Maximal principle for generic weighted Delaunay inversive distance circle packings and ring lemma for inversive distance circle packings in hexagonal triangulated plane.
result Proves Bowers-Stephenson's conjecture for inversive distance circle packings.

The paper studies circle packings using renormalization and subdivision rules.

problem Characterizing and proving properties of circle packings with specific subdivision rules.
method Iterations of skinning maps on Teichmüller spaces, renormalization theory, subdivision rules.
result Uniformly contracting renormalization operator and geometric inflexibility of circle packings.

The paper studies rigidity of sphere packings on 3D manifolds with boundary.

problem Rigidity of sphere packings on 3D manifolds with boundary.
method Introduced generalized Thurston's sphere packings and proved their rigidity properties.
result Generalized Thurston's sphere packings are locally determined by combinatorial scalar curvatures and cannot be deformed while keeping combinatorial Ricci curvatures fixed.

Paper introduces new flows to find circle packings with specific curvature.

problem Finding circle packings with prescribed total geodesic curvatures.
method Introduces combinatorial Calabi flow, fractional combinatorial Calabi flow, and combinatorial p-th Calabi flow.
result Establishes conditions for the longtime behaviors of these flows.

Paper proves a discrete Schwarz-Pick lemma for generalized circle packings.

problem Comparing geometric quantities of circle packings with different boundary values.
method Combinatorial Calabi flows and maximum principle.
result Discrete Schwarz-Pick lemma proven for generalized circle packings.

The paper extends the Discrete Schwarz-Pick Lemma to circle packings with obtuse intersections and disjoint packings.

problem Proving the Discrete Schwarz-Pick Lemma for circle packings with various inversive distances.
method Using a variational principle for circle packings with inversive distances, the paper extends the lemma to a broader range of packings.
result The Discrete Schwarz-Pick Lemma holds for circle packings with inversive distances in (1,1](-1,1], provided an additional condition on triangle weights.

We study optimal double helices with straight axes (or the fattest tubes around them) computationally using three kinds of functionals; ideal ones using ropelength, best volume packing ones, and energy minimizers using two one-parameter families of interaction energies between two strands of types rαr^{-α} and $\frac1r…

2011-04-04abs ↗pdf ↗

The paper solves the existence problem of sphere packings in higher dimensions.

problem Existence of crystallographic sphere packings in certain higher dimensions.
method Geometric doubling procedure and computations with Lorentzian quadratic forms.
result Solves the existence problem of crystallographic sphere packings in higher dimensions.

The paper studies rigid sphere packings on 3D manifolds with boundary.

problem Investigating rigid sphere packings on 3D manifolds with boundary.
method Introducing generalized sphere packings, proving rigidity, introducing combinatorial curvature flows.
result Generalized sphere packing metrics are determined by combinatorial scalar curvature.

Grassmannian packings improve CNN kernels' diversity and reduce sparsity.

problem Kernel sparsity and lack of diversity in CNNs decrease model capacity.
method Initialize CNN kernels with Grassmannian packings to maximize diversity and minimize sparsity.
result Grassmannian packings lead to diverse features and improved classification accuracy.

RLHO uses RL to generate better initial solutions for heuristic optimization.

problem High sample complexity in generating initial solutions for combinatorial optimization problems.
method RLHO framework that augments heuristic algorithms with RL to generate better initial solutions.
result RLHO outperforms baseline methods on bin packing problem.

The paper studies circle packings on surfaces with boundary and their total geodesic curvatures.

problem Existence and rigidity of circle packings with conical singularities.
method Variational principle and combinatorial Ricci flow.
result Existence and rigidity of circle packings with prescribed total geodesic curvature.

Paper studies degenerated circle packings in hyperbolic geometry and finds conditions for their existence.

problem Whether a prescribed total geodesic curvature can be realized by a degenerated circle packing.
method Introduced combinatorial Ricci flow to find the desired degenerated circle packed surface, analogous to Chow-Luo and Takatsu methods.
result Fully characterized sufficient and necessary conditions for the existence of degenerated circle packings and showed their uniqueness.

The paper solves numerical integration on graphs by optimizing vertex sampling and weights.

problem Finding efficient sampling and weights for graph functions.
method Rewriting integration as a geometric packing problem and constructing approximate solutions.
result Efficient numerical integration on graphs can be achieved through optimal packing of heat balls.

The Piyavskii-Shubert algorithm is analyzed for global optimization of Lipschitz functions.

problem Maximizing a non-concave Lipschitz function over a compact domain.
method Sequential function evaluations using a bandit-optimization approach.
result New bounds on the number of evaluations needed for optimization accuracy.

Paper constructs hyperbolic metrics using circle packings and curvature parameters.

problem Creating polyhedral metrics for surfaces of various topologies.
method Using circle packings and curvature parameters, the paper constructs hyperbolic polyhedral metrics.
result Unified approach to producing polyhedral metrics for surfaces of broader topological types.

The paper connects Apollonian packings to knot theory and improves link representations.

problem Realizing algebraic links in Apollonian packings.
method Introducing new representations of links in tangency graphs of sphere packings, proving link realizability, and improving upper bounds.
result Any algebraic link can be realized in the cubic section of the orthoplicial Apollonian packing.

Paper proves rigidity of Doyle spirals in hexagonal lattice circle packings.

problem Proving Doyle conjecture for hexagonal lattice circle packings.
method Using Liouville theorem of discrete harmonic functions based on logarithmic radii ratio observation.
result Proves rigidity of Doyle spirals in hexagonal lattice circle packings with bounded radii ratios.

The paper finds circle packings with specific curvatures in hyperbolic geometry.

problem Finding circle packings with prescribed total geodesic curvatures and discrete Gaussian curvatures.
method Established existence and rigidity via variational principle, introduced combinatorial p-th Calabi flows.
result Introduced combinatorial p-th Calabi flows to find circle packings with prescribed curvatures.

Properness proven for circle packings and Delaunay patterns on complex projective structures.

problem Proving properness for circle packings and Delaunay patterns on complex projective structures.
method Considering circle packings and Delaunay circle patterns on surfaces with complex projective structures, proving properness of the forgetful map.
result Proved properness of the forgetful map sending circle packings and Delaunay patterns to underlying complex structures.

The study examines 3D combinatorial flow in hyperbolic geometry, proving conditions for ball packings and convergence.

problem Analyzing 3D combinatorial Yamabe flow in hyperbolic geometry.
method Investigates triangulations and ball packings with vanishing combinatorial scalar curvature.
result Conditions for real or virtual ball packings and convergence of the flow.