Research
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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.

169,341 papers · 148 categories

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241482722963 · Jun 202019922001200920182026
48 results for conventional networks

DRN outperforms conventional neural networks in distribution regression tasks.

problem Improving performance of distribution regression models.
method Theoretical analysis and comprehensive experiments on DRN compared to conventional neural networks.
result DRN consistently outperforms conventional neural networks in generalizability.

Neural networks outperform conventional filters in inertial sensor-based attitude estimation.

problem Limited accuracy in inertial sensor-based attitude estimation due to dynamic and static motion.
method Investigated neural networks versus conventional filters for improving accuracy.
result Neural networks outperform conventional filters only with domain-specific optimizations.

New method uses unlabelled data to improve Bayesian Neural Networks.

problem Lack of ability to use unlabelled data in conventional Bayesian Neural Networks.
method Self-supervised Bayesian Neural Networks using contrastive pretraining and variational lower bound optimization.
result Prior predictive distributions capture problem semantics better and improve predictive performance.

A new neural network model for ordinal regression.

problem Ordinal regression with non-proportional odds.
method Interpretable neural network for both continuous and discrete responses, training a non-linear neural network as a coefficient function.
result N3^3POM preserves interpretability while offering flexibility.

New method converts conventional ANNs to SNNs with minimal loss and efficiency.

problem Difficulty in training SNNs directly from conventional ANNs due to discreteness.
method Proposes a novel pipeline combining threshold balance and soft-reset mechanisms for efficient conversion.
result Achieves almost no accuracy loss with only 1/10 of typical SNN simulation time.

New DNN method accelerates image processing optimization.

problem Optimizing large-scale inverse problems in image processing.
method Trains a deep neural network to learn parameters for scaled gradient projection method.
result Significantly improves convergence rate of optimization methods.

This paper addresses credit valuation adjustment with a new closeout convention.

problem Accurate estimation of financial claim value considering counterparty credit risk.
method Theoretical and computational analysis of a nonlinear valuation system using neural networks.
result A neural network-based algorithm effectively solves the high-dimensional nonlinear valuation system.

Study examines adversarial robustness of ANN variants, revealing differences in black-box settings.

problem Adversarial robustness of alternative neural network architectures.
method Analysis of conventional, stochastic ANNs, and SNNs across three datasets; experiments in white-box and black-box settings.
result Stochastic ANNs are more robust than conventional ANNs in black-box settings, especially with surrogate attacks.

Stochastic LWTA networks resist adversarial attacks while maintaining accuracy.

problem Adversarial robustness of neural networks.
method Replaced ReLU with stochastic LWTA activations, trained with Variational Bayesian and PGD.
result Stochastic LWTA networks achieve state-of-the-art robustness against adversarial attacks.

Wide neural networks can degrade performance, contrary to conventional wisdom.

problem Understanding the limitations of increasing network width in neural networks.
method Using Deep Gaussian Processes to decouple capacity and width, analyzing their effects on representational power and non-Gaussianity.
result Wide neural networks can become less adaptable and more Gaussian, leading to performance degradation.

A fast method for learning MZI parameters in optical neural networks.

problem Time-consuming learning of MZI parameters in optical neural networks.
method Customized complex-valued derivatives and a chain rule for Wirtinger derivatives, incorporated into a function module.
result 20 times faster learning compared to conventional AD in MNIST task.

Introduces variance layers to improve neural network performance and robustness.

problem The reliance on expected values for predictions and the limitations of conventional stochastic neural networks.
method Introduces variance layers where weights follow a zero-mean distribution and are only parameterized by their variance.
result Variance layers can learn well, serve as an efficient exploration tool, and provide a decent defense against adversarial attacks.

Study shows MSE with sigmoid can match SCE in classification tasks, especially with noisy data.

problem Inconsistent errors in neural network classification tasks.
method Introduced Output Reset algorithm to use MSE with sigmoid activation.
result MSE with sigmoid activation achieves comparable accuracy and convergence rates to Softmax Cross-Entropy, especially in noisy data scenarios.

Physics-informed ESNs improve chaotic system prediction accuracy.

problem Predicting chaotic systems while adhering to physical laws.
method Integrates physics constraints into ESN training through an additional loss function.
result Physics-informed ESNs predict chaotic systems with a 2 Lyapunov time improvement.

Loihi neuromorphic chip outperforms conventional hardware in keyword spotting efficiency.

problem Benchmarking keyword spotting efficiency on neuromorphic hardware.
method Comparative analysis of a two-layer neural network trained to recognize a single phrase on Intel's Loihi neuromorphic chip and conventional hardware devices.
result Loihi outperforms conventional hardware on energy cost per inference for this keyword spotting application.

Deep neural networks often fit low-frequency functions, contrary to conventional numerical schemes.

problem Understanding the implicit bias of deep neural networks in fitting training data.
method Fourier analysis perspective applied to DNNs training process.
result Deep neural networks tend to fit training data by low-frequency functions, contrary to conventional numerical schemes.

This research evaluates neural network robustness through loss visualization and a new metric.

problem Neural networks' robustness property is insufficiently investigated compared to adversarial attacks and defenses.
method Loss visualization and a new robustness metric to evaluate model stability.
result The proposed robustness metric provides a more reliable evaluation of model stability, uniformed across different models and settings.

Enhanced PINN for brittle fracture modeling using transfer learning.

problem Solving brittle fracture problems in physics.
method Physics-informed neural network (PINN) with variational energy minimization and transfer learning.
result The proposed approach yields better accuracy in predicting crack paths compared to conventional PINN.

Proposes a channel pruning method using attention statistics for deep networks.

problem Manual setting of compression ratios in each layer for deep neural networks.
method Channel pruning based on attention statistics with automatic selection of compression ratio.
result Improved performance in terms of accuracy and computational costs compared to conventional methods.

New neural network learns relevant transformations in data, improving object recognition.

problem Current equivariant architectures consider all possible transformations, ignoring relevant ones.
method Co-attentive equivariant neural networks that focus on co-occurring transformations.
result Outperforms conventional equivariant networks on rotated MNIST and CIFAR-10.

Bayesian neural networks approximate Gaussian, this method adapts to non-Gaussian posteriors.

problem Bayesian neural networks struggle with non-Gaussian posteriors, leading to poor performance.
method Proposes a Riemannian Laplace approximation to adapt to the shape of the true posterior.
result Consistently improves over conventional Laplace approximation across tasks.

A new decentralized federated learning approach tackles network capacity challenges.

problem Efficiently utilizing network capacities between nodes in federated learning.
method Proposes a segmented gossip approach for decentralized federated learning.
result Demonstrates significant reduction in training time compared to centralized federated learning.

This paper uses deep neural networks for one-class classification by splitting normal data into typical and atypical subsets.

problem Training deep neural networks with only one class of data for one-class classification.
method Intra-class splitting to create typical and atypical subsets, using binary loss and auxiliary subnetworks.
result The method outperformed seven baselines and had comparable performance to state-of-the-art methods on image datasets.

Simpler GNNs with low-rank non-parametric aggregators perform well on graph benchmarks.

problem Over-engineering in GNN architectures for common semi-supervised node classification datasets.
method Replacing feature aggregation with a non-parametric learner to streamline GNN design.
result Non-parametric regression is effective for semi-supervised learning on sparse, directed networks.

PIELM uses deep learning to solve PDEs quickly and accurately.

problem Solving partial differential equations (PDEs) efficiently and accurately.
method Physics Informed Extreme Learning Machine (PIELM) for solving PDEs.
result PIELM matches or exceeds the accuracy of Physics Informed Neural Networks (PINNs) on various problems.

Researchers create adversarial examples to deceive iris recognition systems.

problem Tackling the vulnerability of iris recognition systems to adversarial attacks.
method Developed a deep auto-encoder surrogate network to generate adversarial examples for iris recognition systems.
result Demonstrated that adversarial examples can fool iris recognition systems in both white-box and black-box settings.