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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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6111722 · Oct 201919922001200920182026
48 results for 2D arenas

RNNs trained on spatial tasks develop grid-like spatial representations.

problem Understanding the neural code for spatial navigation in the brain.
method Training recurrent neural networks to perform spatial localization tasks.
result Grid-like spatial response patterns emerge in trained RNNs, similar to EC grid cells.

Study of 2d gauged linear sigma models to derive difference equations and spectral data.

problem Understanding monopole solutions and their spectral data in 2d gauged models.
method Analyzing ground states and cohomology of supercharges to derive difference modules and equations.
result Derived novel difference equations for brane amplitudes and hemisphere partition functions.

Study uses ML techniques to reveal quantum-like features in classical systems.

problem Understanding the intuition behind unsupervised ML in physical systems.
method Three ML techniques applied to adjacency matrices of 2D particulate systems.
result ML techniques reveal quantum-like features in classical systems.

Dropping a tiny fraction of preferences can significantly alter the rankings of top LLMs.

problem Robustness of LLM ranking systems to small changes in preference data.
method A computational method based on the Bradley-Terry model to evaluate robustness.
result Top LLM rankings can be highly sensitive to the removal of a small fraction of preferences.

NAVREN-RL uses deep reinforcement learning to teach drones indoor navigation.

problem Teaching drones to navigate indoor environments efficiently.
method End-to-end deep reinforcement learning with a custom reward function, expert data integration.
result Drones successfully navigate indoor arenas avoiding obstacles.

Foresight Arena benchmarks AI forecasting on real-world markets, isolating predictive edge.

problem Evaluating AI forecasting ability in real-world markets is challenging due to overfitting, centralized trust, and conflated metrics.
method Permissionless, on-chain benchmark using probabilistic forecasts, commit-reveal protocol, and smart contracts.
result Demonstrates the need for 350 predictions to reliably distinguish agents of different skill levels.

Proposes a model to generate 3D-aware images from 2D images.

problem Generating 3D-aware images from 2D images.
method Likelihood-based top-down model using Neural Radiance Fields and energy-based latent variables.
result Model can infer 3D object structures from 2D images and generate novel views.

Enhances 2D face recognition with 3D features using active illumination.

problem Improving robustness of 2D face recognition to spoofing attacks and low-light conditions.
method Projecting a high spatial frequency pattern onto the face to recover 3D information and a 2D image simultaneously.
result Significantly boosts face recognition performance and dramatically improves robustness to spoofing attacks.

Develops a new method for quantizing rough volatility for volatility derivatives pricing.

problem Pricing volatility derivatives in rough volatility models.
method Functional quantization of rough volatility using offline computable quantizers.
result Pricing VIX Futures in the rough Bergomi model shows competitive results.

A novel method compresses point cloud attributes by folding them onto a 2D grid.

problem Efficiently compressing point cloud attributes for storage and transmission.
method Interpreting point clouds as 2D manifolds, folding onto a grid, and mapping attributes to the grid using optimized methods.
result The proposed folding-based approach achieves performance comparable to state-of-the-art codecs.

Paper classifies brain signals using eigenvalues for 2D and 3D educational content questions.

problem Classifying brain signals for 2D and 3D educational content questions.
method Eigenvalues of covariance matrix used as features; KNN and SVM classifiers applied.
result No significant difference in learning, memory retention, and recall between 2D and 3D educational content.

Paper extends 2D ZSAD to 3D MRI without training, achieving robust anomaly detection.

problem Challenges in extending zero-shot anomaly detection to 3D medical images.
method Constructs localized volumetric tokens by aggregating 2D slices processed by 2D foundation models.
result Training-free, batch-based ZSAD effectively extends from 2D encoders to full 3D MRI volumes.

Optimizes master faces for 2D and 3D face verification using evolutionary algorithms and neural networks.

problem Impersonation attacks using master faces for face-based identity authentication.
method Evolutionary algorithm in latent space of StyleGAN, neural network to direct search, 2D and 3D face reconstruction.
result Obtains high impersonation rates with fewer master faces for 2D and 3D face verification.

Method generates multiple 3D poses from 2D joint detections, addressing ambiguity and uncertainty.

problem Ambiguity and uncertainty in 3D human pose estimation from 2D joint detections.
method Generative model, compositional, anatomical constraints, removing model bias.
result Generates multiple valid 3D poses consistent with 2D joint detections.

LUNA improves linear attention for long sequences without sacrificing accuracy.

problem Quadratic computational cost of softmax attention in long-sequence domains.
method LUNA learns a learnable kernel feature map to reduce attention cost to linear while maintaining accuracy.
result LUNA achieves state-of-the-art performance on the LRA and excels at post-hoc conversion.

We describe rules for building 2d theories labeled by 4-manifolds. Using the proposed dictionary between building blocks of 4-manifolds and 2d N=(0,2) theories, we obtain a number of results, which include new 3d N=2 theories T[M_3] associated with rational homology spheres and new results for Vafa-Witten partition fun…

2013-06-18abs ↗pdf ↗

Robots infer distances to invisible obstacles from 2D laser scans.

problem Mobile robots struggle with accurate distance estimation from 2D laser scanners.
method Trained a neural network to map raw 2D laser distances to actual obstacle distances.
result Trained network successfully infers distances from partial 2D laser readings in real-time.