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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.

169,181 papers · 148 categories

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145291436581 · Jun 202019922001200920182026
48 results for continuous features

Paper shows continuous speech recognition with EEG features, no speech input.

problem Continuous speech recognition with limited vocabulary and noisy/no speech input.
method Connectionist temporal classification (CTC) model, EEG features, new deep learning architecture.
result Continuous speech recognition achieved on limited vocabulary with noisy/no speech input.

CAM-GAN improves GANs for continual learning with efficient feature map transformations.

problem Efficient continual learning for GANs with reduced parameter growth.
method Designing and leveraging parameter-efficient feature map transformations, including global and task-specific parameters, residual bias, and Fisher information matrix.
result Significantly improved model performance and high-quality samples with fewer parameters.

Continuous dropout mimics brain neuron firing rates to prevent feature detector co-adaptation.

problem Preventing overfitting in deep neural networks.
method Extending binary dropout to continuous dropout, inspired by brain neuron firing rates.
result Continuous dropout improves test performance by preventing feature detector co-adaptation.

Paper formalizes continual learning, proposing a feature extraction approach.

problem Learning from multiple environments without forgetting previous ones.
method Feature extraction framework and gradient-based algorithm DPGD.
result Efficient algorithm DPGD avoids catastrophic forgetting.

Continuous formulation of machine learning models and algorithms.

problem Generalization error and implicit regularization in machine learning.
method Continuous formulation in calculus of variations and differential-integral equations, with new models and algorithms.
result Conventional models and algorithms can be recovered as particular discretizations.

Paper proposes continual learning for sentence encoders.

problem Optimize sentence encoders for new corpora while maintaining old corpus accuracy.
method Initialize encoders with corpus-independent features, update using Boolean operations of conceptor matrices.
result Proposed sentence encoder can continually learn features from new corpora.

Paper tackles class-incremental time series classification with dual-stream feature extraction.

problem Class-incremental continual learning for multivariate time series data.
method Dual-stream feature extraction pipeline combining deep temporal embedding features and statistical features.
result Competitive average accuracy across multiple datasets with low forgetting rates.

Methodology for visualizing labeled datasets with mixed features.

problem Visualization of labeled mixed-featured datasets.
method Developed a Max-Ratio Projection (MRP) method for continuous features and extended it to datasets with discrete and continuous features using Gaussianized distributional transforms and copula models.
result Visualization of labeled mixed-featured datasets using Max-Ratio Projection and Gaussianized distributional transforms.

Quantum machine learning models can approximate any continuous function.

problem Theoretical understanding of quantum feature maps in machine learning.
method Proving universal approximation property of quantum machine learning models in quantum-enhanced feature spaces.
result Quantum machine learning models are universal approximators of continuous functions.

The paper studies Lipschitz bounds for integral kernels under differentiability assumptions.

problem Understanding the Lipschitz continuity of feature maps associated with integral kernels.
method Analyzes differentiability assumptions to derive explicit formulas for Lipschitz constants and conditions for non-Lipschitz continuity.
result Explicit formulas and conditions for Lipschitz continuity of feature maps associated with various kernels.

Study shows optimal model performance at critical level of feature learning.

problem Catastrophic forgetting in neural networks, especially in non-stationary environments.
method Systematic study on model scale and feature learning, using dynamical mean field theory.
result Optimal performance achieved at a critical level of feature learning, dependent on task non-stationarity and model scale.

Improved neural network predicts spectral functions more accurately than traditional methods.

problem Reconstructing real-time spectral functions from imaginary-time Green's functions is ill-posed and challenging.
method Feature Learning Network (FL-net) for enhanced prediction accuracy.
result FL-net achieves at least 20% improvement over traditional methods like MEM.

TCMI assesses mutual dependence of continuous variables without parametric assumptions.

problem Estimating mutual information from continuous distributions.
method TCMI extends mutual information to continuous variables using cumulative distributions.
result TCMI facilitates feature selection and ranking of variable sets.

Develops a method to continuously audit black-box conditional quantile forecasts.

problem Continuous monitoring of black-box forecasts under changing data streams and regimes.
method Distribution-free and game-theoretic testing framework for non-i.i.d. losses.
result Derives finite-time detection guarantees for miscalibrated forecasts based on features.

A new method improves continual learning by replaying pseudo data and using orthogonal weight modification.

problem Catastrophic forgetting in class incremental learning.
method Generative replay with orthogonal weight modification.
result Our method achieves substantial improvement over conventional generative replay and OWM.

This paper tackles continuous domain adaptation with a new approach.

problem Learning in non-stationary environments, especially domain drift.
method Variational domain-agnostic feature replay, composed of inference, generative, and solver modules.
result Demonstrates the effectiveness of the proposed approach for practical usage.

New framework generalizes neural network parameters to CC^*-algebra for more efficient feature learning.

problem Efficient feature learning and adaptability of neural network models.
method Generalizes neural network parameters to CC^*-algebra-valued parameters and combines models continuously.
result Shows improved feature learning with limited data using the new framework.

First steps towards a mathematical theory of deep convolutional neural networks for feature extraction were made---for the continuous-time case---in Mallat, 2012, and Wiatowski and Bölcskei, 2015. This paper considers the discrete case, introduces new convolutional neural network architectures, and proposes a mathemati…

2016-05-26abs ↗pdf ↗

flacco simplifies feature-based landscape analysis for optimization problems.

problem Choosing the best optimizer from a portfolio of algorithms.
method Developed an R-package for feature-based landscape analysis.
result Makes landscape analysis accessible and comprehensible.

Paper introduces template functions for featurizing persistence diagrams.

problem Featurizing persistence diagrams for machine learning.
method Characterizes compactness, constructs dense subsets of continuous functions.
result Template functions enable supervised learning with persistence diagrams.

A new predictor learns feature scales to predict discrete labels from continuous features efficiently.

problem Predicting discrete labels from continuous features efficiently and accurately.
method Discretizes feature space with k-d tree and recursively learns feature scales using Bayesian distribution.
result Achieves performance as good as true conditional entropy asymptotically.

Proposes a new feature preprocessing method using kernel density integral transformation.

problem Feature preprocessing for tabular data in machine learning and statistics.
method Kernel density integral transformation as a drop-in replacement or improved alternative to min-max scaling and quantile transformation.
result Frequently outperforms min-max scaling and quantile transformation with hyperparameter tuning.

Steerable neural ODEs on homogeneous spaces for equivariant feature dynamics.

problem Learning continuous-time equivariant dynamics of vector-valued features on homogeneous spaces.
method Introduces steerable neural ordinary differential equations on homogeneous spaces, interpreting features as sections of associated vector bundles over MM.
result Steerable NODEs are GG-equivariant when the flow and connection are GG-invariant, and they incorporate existing models.

Method estimates causal effects from incremental data, overcoming missing data challenges.

problem Estimating causal effects from non-stationary, incrementally available observational data.
method Continual Causal Effect Representation Learning
result Method achieves continual causal effect estimation without compromising original data.

Modified PCA algorithm with continual learning preserves features of previous modes for multimode process monitoring.

problem Catastrophic forgetting of previous modes in monitoring models for successive modes.
method Modified PCA algorithm with elastic weight consolidation (EWC) to preserve features of previous modes.
result PCA-EWC algorithm effectively monitors multimode processes without performance decrease.

CIRCE measures conditional independence for learning invariant features.

problem Learning invariant features while being conditionally independent of a distractor.
method CIRCE is a measure of conditional independence applied as a regularizer in feature learning.
result CIRCE provides a zero value if and only if features are conditionally independent of the distractor given the target.

Proposes continuous convolution layers for flexible feature map resizing.

problem Fixed stride limitations in discrete convolution layers.
method Introduces Continuous Convolution (CC) layers that use learned continuous functions.
result Dynamic and consistent resizing of feature maps at any scale, non-integer and axis-dependent.

A new method generates mixed-type features in tabular data with improved realism and accuracy.

problem Generating mixed-type features combining discrete and continuous data is challenging.
method A cascaded approach: first generates low-resolution categorical and coarse numerical features, then uses these in a high-resolution flow matching model.
result The model significantly improves detection scores, generating more realistic samples and capturing distributional details.

Estimates signals from a continuous dictionary with sparse mixtures using optimization.

problem Estimating signals from a continuous dictionary with unknown mixtures and noise.
method Formulates a regularized optimization problem with data fidelity and (1,Lp)(\ell_1,L^p)-penalty.
result High probability bounds on prediction error for the Group-Nonlinear-Lasso solution.

Study shows how task similarity affects forgetting in teacher-student setup.

problem Catastrophic forgetting in continual learning.
method Extended teacher-student setup to multiple teachers, analyzing similarity between tasks.
result Task similarity, whether at readouts or features, influences forgetting and transfer.

A new method explains mixed features for predictive models using conditional inference trees.

problem Explaining complex machine learning models with mixed features.
method Proposes a method to explain mixed features (continuous, discrete, ordinal, categorical) using conditional inference trees.
result Our method often outperforms current industry standards in various simulation studies and real-world financial data.

Reconstructing signature features from randomized vector fields in differential equations.

problem Reconstructing signature features from controlled differential equations with random vector fields.
method Using controlled ordinary differential equations driven by continuous bounded variation curves, the study explores the extent to which signature features can be reconstructed from the non-linear flow of these equations.
result The number of signature features that can be reconstructed from the non-linear flow of controlled ordinary differential equations with random vector fields is exponential in the hidden dimension, under certain conditions.