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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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72144216288 · Jun 202019922001200920172026
48 results for regression enrichment surfaces

Regression, unlike classification, has lacked a comprehensive and effective approach to deal with cost-sensitive problems by the reuse (and not a re-training) of general regression models. In this paper, a wide variety of cost-sensitive problems in regression (such as bids, asymmetric losses and rejection rules) can be…

2012-11-05abs ↗pdf ↗

New representation for braid groups and surface braid groups, extending Lawrence-Krammer-Bigelow.

problem Constructing representations for braid groups and surface braid groups.
method Pro-nilpotent tower of representations, starting with the original LKB representation.
result 3-variable enrichment of the Lawrence-Krammer-Bigelow representation.

SCQRNN prevents quantile crossing and improves computational efficiency.

problem Quantile crossing issue in regression models.
method Integrates ad hoc sorting in training to prevent quantile crossing and enhance computational efficiency.
result SCQRNN achieves faster convergence and non-intersecting quantiles.

Sparse Gaussian process quantile regression tackles computational challenges in Bayesian quantile regression.

problem Nonconjugacy and computational cost in Gaussian process quantile regression.
method Sparse Gaussian process framework with Laplace approximation, adaptive inducing-input placement, and sequential data acquisition.
result Accuracy of Laplace approximation and effectiveness of adaptive mechanisms in reducing predictive uncertainty.

Paper introduces robust distribution regression using kernel methods.

problem Distribution regression from probability measures to real-valued responses.
method Introduces a robust loss function lσl_σ and a windowing function VV for two-stage sampling problems.
result Shows improved learning rates and robustness with the robust distribution regression (RDR) scheme.

We define a symmetric monoidal (4,3)-category with duals whose objects are certain enriched multi-fusion categories. For every modular tensor category C\mathcal{C}, there is a self enriched multi-fusion category C\mathfrak{C} giving rise to an object of this symmetric monoidal (4,3)-category. We conjecture that the e…

2017-04-19abs ↗pdf ↗

DS2CF-Net learns hierarchical representations with deep coupled factorization and enriched prior.

problem Learning deep hierarchical representations from data.
method Dual-constrained Deep Semi-Supervised Coupled Factorization Network (DS2CF-Net) with enriched prior.
result DS2CF-Net achieves state-of-the-art performance in representation learning and clustering.

In this paper we analyze supergeometric locally covariant quantum field theories. We develop suitable categories SLoc of super-Cartan supermanifolds, which generalize Lorentz manifolds in ordinary quantum field theory, and show that, starting from a few representation theoretic and geometric data, one can construct a f…

2015-01-07abs ↗pdf ↗

A new method combines federated learning and logistic regression for better credit scoring.

problem Improving credit scoring models while protecting data privacy.
method Projected gradient-based vertical federated learning (FL-LRBC) for logistic regression.
result Significant improvement in AUC and KS statistics due to data enrichment.

Cross-domain collaborative filtering (CF) aims to alleviate data sparsity in single-domain CF by leveraging knowledge transferred from related domains. Many traditional methods focus on enriching compared neighborhood relations in CF directly to address the sparsity problem. In this paper, we propose superhighway const…

2018-08-28abs ↗pdf ↗

This paper evaluates data enrichment techniques for rare event detection in manufacturing.

problem Rare events in manufacturing lead to unplanned downtime and high energy consumption.
method Time series data augmentation, sampling, and imputation techniques combined with supervised machine learning.
result Data enrichment enhances rare failure event detection and prediction by up to 48%.

KANEL combines models for early hit enrichment in virtual screening.

problem Assessing model accuracy in chemical bioactivity predictions.
method Ensemble workflow using Kolmogorov-Arnold Networks (KANs) and other models.
result Improves early hit enrichment metrics like PPV@N.

DeGAN enriches data from related domains for future learning tasks.

problem Lack of relevant data for future learning tasks like Model Compression and Incremental Learning.
method Data-Enriching GAN (DeGAN) framework to retrieve representative samples from a trained classifier.
result State-of-the-art performance for Data-free Knowledge Distillation and Incremental Learning on benchmark datasets.

Fatgraphs are multigraphs enriched with a cyclic order of the edges incident to a vertex. This paper presents algorithms to: (1) generate the set of all fatgraphs having a given genus and number of boundary cycles; (2) compute automorphisms of any given fatgraph; (3) compute the homology of the fatgraph complex. The al…

2012-02-08abs ↗pdf ↗

We focus on the distribution regression problem: regressing to vector-valued outputs from probability measures. Many important machine learning and statistical tasks fit into this framework, including multi-instance learning and point estimation problems without analytical solution (such as hyperparameter or entropy es…

2014-11-08abs ↗pdf ↗

Variational autoencoders are powerful algorithms for identifying dominant latent structure in a single dataset. In many applications, however, we are interested in modeling latent structure and variation that are enriched in a target dataset compared to some background---e.g. enriched in patients compared to the genera…

2019-02-12abs ↗pdf ↗

Dual-sPLS improves feature selection and prediction in high-dimensional data.

problem Relating variables to a response in high-dimensional chemometric problems.
method Generalizes PLS1 algorithm with dual norm penalizations and a shrinking ratio parameter.
result Favorably compares to similar regression methods on simulated and real chemical data.

The Lax-Hopf formula simplifies the value function of an intertemporal optimization (infinite dimensional) problem associated with a convex transaction-cost function which depends only on the transactions (velocities) of a commodity evolution: it states that the value function is equal to the marginal fonction of a fin…

2014-01-08abs ↗pdf ↗

Geometric problems are usually formulated by means of (exterior) differential systems. In this theory, one enriches the system by adding algebraic and differential constraints, and then looks for regular solutions. Here we adopt a dual approach, which consists to enrich a plane field, as this is often practised in cont…

1998-03-11abs ↗pdf ↗

SurvFM-RMST converts survival outcomes into pseudo-observation targets for tabular models.

problem Right-censored follow-up prevents direct use of survival labels in tabular patient data.
method SurvFM-RMST framework that converts survival outcomes into jackknife pseudo-observation targets for restricted mean survival time.
result SurvFM-RMST accurately recovered restricted event-free time in simulations and outperformed naive targets in static datasets.

Deep learning model explains breast cancer subtypes using logistic regression.

problem Clarifying the mechanisms of breast cancer subtypes for better treatment.
method Developed a PWL model that generates custom-made logistic regression for each patient.
result The PWL model reveals genes relevant to cell cycle-related pathways.

Paper proposes a method to recover accurate labels from partially valid data in multi-label learning.

problem Tackles noisy supervision in multi-label learning with partially valid labels.
method Develops a two-stage method that estimates label enrichment and ground-truth confidences.
result Demonstrates improved performance over state-of-the-art PML methods.

Study improves retail demand forecasting by integrating macroeconomic data.

problem Lack of accurate demand forecasting due to incomplete data.
method Enriched time series data with macroeconomic variables; compared regression and machine learning models.
result Improved accuracy in predicting retail demand through comprehensive data integration.

Fix a finite group GG and a conjugacy invariant subset CGC\subseteq G. Let ΣΣ be an oriented surface, possibly with punctures. We consider the question of when two homomorphisms π1(Σ)Gπ_1(Σ) \to G taking punctures into CC are equivalent up to an orientation preserving diffeomorphism of ΣΣ. We provide an answer to this …

2017-09-10abs ↗pdf ↗

Paper reviews neurolinguistics and language technologies, emphasizing mutual enrichment.

problem Understanding brain activity during language processing.
method Brain imaging studies and natural language representations.
result Development of brain-aware natural language representations.

Flowification enriches neural networks with an inverse pass and likelihood monitoring.

problem Neural networks lack an inverse pass and likelihood monitoring, limiting their generative capabilities.
method Introduce flowification, enriching neural networks with a stochastic inverse pass and likelihood monitoring.
result Certain neural network architectures can be enriched to fall under the generalized notion of a normalizing flow.

Enhances LLMs for predicting stock movements by considering news dissemination and context.

problem Lack of consideration for news dissemination and insufficient contextual data in LLMs for stock price prediction.
method Clusters news for reach assessment, enriches prompts with specific data and instructions, fine-tunes an LLM using the dataset.
result Improves prediction accuracy by 8% compared to existing methods.

The article proposes optimal learning strategies for machine learning-based reliability analysis.

problem Improving computational efficiency and accuracy in machine learning-based reliability analysis.
method Theorems and mathematical proofs for optimal learning strategies considering and neglecting correlations among design samples.
result The optimal learning strategy considering Kriging correlation outperforms other methods in terms of reduced evaluations of performance functions.

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.

Enhanced tree-based classifiers use derivatives and geometry for better function classification.

problem Improving classification of high-dimensional time series data.
method Integrates Functional Data Analysis with tree-based ensemble techniques, leveraging derivative and geometric features.
result Significant improvements over traditional approaches in function classification.

BioBO optimizes gene perturbation design using Bayesian optimization with biological priors.

problem Efficient design of genomic perturbation experiments in drug discovery.
method Integrates Bayesian optimization with multimodal gene embeddings and enrichment analysis.
result Improves labeling efficiency by 25-40% and identifies top-performing perturbations more effectively.