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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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48 results for Deep Feed Forward network

ForecastNet uses a time-variant deep feed-forward neural network for better multi-step-ahead time series forecasting.

problem Time-invariant architectures limit multi-step-ahead forecasting.
method ForecastNet employs a deep feed-forward architecture with time-variant parameters and interleaved outputs.
result ForecastNet outperforms other models on multi-step-ahead time series forecasting tasks.

Proposes RMN for learning long-term dependencies in feed-forward networks.

problem Complicated training of deep RNN architectures.
method Residual Memory Neural Network (RMN) with residual and time-delayed connections.
result RMN and BRMN outperform LSTM and BLSTM networks in learning long-term and hierarchical information.

This work optimizes reservoir computing models by linking recurrence and non-linear dynamics.

problem Understanding how recurrence and non-linear dynamics in cortical networks contribute to their function.
method Transformed time-continuous, recurrent dynamics into an effective feed-forward structure of linear and non-linear temporal kernels.
result Optimal time-series classifiers can be built from random reservoir networks, demonstrating significant performance gains.

Deep network learns Obstacle Tower challenge without human demonstrations.

problem Master procedurally generated levels that get progressively harder.
method Deep Reinforcement Learning with a simple feed-forward network.
result Performed competitively in a reinforcement learning competition.

The study connects deep neural networks with statistical mechanics, revealing natural activation functions.

problem Understanding the activation functions in deep neural networks.
method Statistical Mechanics model of deep neural networks, focusing on encoding, validation, and propagation steps.
result A set of natural activations including Sigmoid, tanh, ReLU, and Swish are identified.

Proposes a new CG interpretation of neural networks for better theoretical analysis.

problem Lack of theoretical analysis in neural networks interpretation.
method Interprets neural networks as chain graphs and feed-forward as approximate inference.
result Provides novel theoretical support and insights for various neural network techniques.

Stable processes emerge as limits of deep neural networks with symmetric stable distributions.

problem Understanding the behavior of deep neural networks as they become infinitely wide.
method Analyzing fully connected feed-forward deep neural networks with symmetric stable distributions and showing the limit as a stable process.
result The infinite wide limit of the network is a stable process with multivariate stable distributions.

NN2Poly converts deep neural networks into polynomial models for better understanding.

problem Improving neural network interpretability and theoretical understanding.
method Taylor expansion on activation functions, combinatorial properties, and polynomial coefficients calculation.
result NN2Poly accurately represents deep feed-forward neural networks as polynomial models.

This paper removes the finite variance assumption for deep convolutional neural networks.

problem Removing the finite variance assumption for deep convolutional neural networks.
method Assuming iid parameters distributed according to a stable distribution, the paper shows that the infinite-channel limit of a deep feed-forward convolutional neural network is a multivariate stable stochastic process.
result The infinite-channel limit of a deep feed-forward convolutional neural network, under suitable scaling, is a multivariate stable stochastic process.

A new algorithm speeds up neural network derivative calculations.

problem Exponential runtime of autodifferentiation for high-order derivatives in neural networks.
method n-TangentProp, a quasilinear algorithm for computing higher-order derivatives.
result Computes exact derivatives in quasilinear time, not exponential.

Stable recurrent models perform similarly to unstable ones, proving useful for sequence tasks.

problem The lack of stability in recurrent neural networks hinders their practical application.
method Theoretical analysis and empirical testing of stable recurrent models.
result Stable recurrent models can be well approximated by feed-forward networks, performing similarly to unstable ones.

Paper characterizes and constructs universal approximators for neural networks.

problem Limited understanding of universal approximation in neural networks.
method Characterization, representation, construction method, existence result for any universal approximator.
result Improved capabilities of feed-forward architecture to approximate continuous functions.

Adapting robust statistics to neural networks, researchers found neural networks can be more robust with certain loss functions.

problem The robustness of neural networks in complex learning tasks.
method Adapting the regression breakdown point from robust statistics to neural networks and comparing different configurations and contamination settings.
result Neural networks can benefit from robust loss functions, as demonstrated in extensive simulations.

Efficient neural network optimization reduces costs and improves model performance.

problem High computational costs in optimizing neural networks, especially at scale.
method Introduces self-attentive feed-forward neural units (SAFFU) for efficient optimization.
result Explicit solutions outperform models optimized by backpropagation alone, and further training with backpropagation leads to better optima from smaller data sets.

SSFN self-estimates network size with low complexity and consistent performance.

problem Designing a self-estimating feed-forward network with low complexity and consistent performance.
method Joint optimization for layer and node estimation, low computational complexity, and use of lossless flow property and convex optimization.
result Consistent performance across Monte-Carlo trials and monotonically non-increasing cost with network growth.

Paper uses neural networks to analyze oil price impact on Iranian stock and industry indices.

problem Impact of oil price volatility on Tehran stock and industry indices.
method Feed-forward neural networks analysis of two periods: sanctions and post-sanctions.
result Neural networks predict stock and industry indices well, showing significant oil price volatility impact.

TFiLM expands convolutional models' receptive field with minimal overhead.

problem Capturing long-range dependencies in sequential data.
method A novel architectural component using a recurrent neural network to modulate convolutional model activations.
result TFiLM significantly improves learning speed and accuracy on various tasks.

The paper sets information-theoretic lower bounds for neural networks' parameter recovery and excess risk.

problem Establishing sample complexity lower bounds for neural network parameters and excess risk.
method Using information-theoretic tools, the paper proves lower bounds by constructing a generative network.
result Proves information-theoretic lower bounds for exact parameter recovery and positive excess risk.

New connection between FFNs and BNs improves performance and generalization.

problem Improving performance and generalization in classification and segmentation tasks.
method Characterizing FFNs as approximations of BNs and developing a new learning algorithm.
result Statistically learned BNs outperform FFNs in classification and segmentation tasks.

The Resilient Propagation (Rprop) algorithm has been very popular for backpropagation training of multilayer feed-forward neural networks in various applications. The standard Rprop however encounters difficulties in the context of deep neural networks as typically happens with gradient-based learning algorithms. In th…

2015-09-15abs ↗pdf ↗

Deep neural networks converge to Gaussian mixtures as layer width increases.

problem Understanding the distribution of outputs from deep neural networks.
method Proof and experiments with a simple model showing the convergence of neural network outputs to Gaussian mixtures.
result Neural networks converge to Gaussian mixtures as the width of the last hidden layer increases.

New method uses MMAF-guided learning for spatio-temporal probabilistic forecasts.

problem Probabilistic forecasting of spatio-temporal data with causal structure.
method Generalized Bayesian methodology, MMAF-guided learning, ensemble of stochastic feed-forward neural networks.
result Forecast performance comparable to, and sometimes better than, deep learning architectures.

Single-layer Transformer can approximate any sequence mapping.

problem Lack of theoretical understanding of Transformers.
method Review of linear algebra, probability, and optimization concepts; detailed analysis of Transformer architecture.
result A single-layer Transformer can approximate any continuous sequence-to-sequence mapping to arbitrary precision.

NFM improves deep learning by selectively processing hidden states.

problem Processing entire hidden states in each layer limits modularity and reusability.
method Introduces Neural Function Modules (NFM) with attention, sparsity, and feedback.
result Improves results in classification, generalization, generative modeling, and reinforcement learning.

New insights into how encoder-decoder networks generate attention matrices.

problem Understanding how encoder-decoder networks use attention matrices.
method Decomposing hidden states into temporal and input-driven components.
result Attention matrices are formed based on task requirements, not architecture type.

Deep LSTMs learn correlated representations of time-series data.

problem Learning nonlinear transformations and correlated embeddings of variable-length sequences.
method Use LSTMs to transform multi-view time-series data, then correlate outputs to find a fixed-dimensional representation.
result Deep LSTMs can effectively learn and project correlated representations of time-series data.

This paper optimizes autonomous vehicle controllers using data-driven methods.

problem Designing robust controllers for autonomous vehicles that handle external and internal disturbances.
method Data-driven approach using principal component analysis and time delay neural networks.
result Improved controller performance through a feed-forward compensator.

Mean field theory explains gradient backpropagation in deep dropout networks.

problem Understanding gradient backpropagation in deep dropout networks.
method Applied mean field theory to dropout networks, considering realistic training conditions.
result Gradient backpropagation length is limited by depth scales, not just independence assumption.

Lipschitz regularization improves neural network robustness by coupling weights across layers.

problem Improving neural network robustness under random input uncertainties.
method Regularization of neural networks by their Lipschitz constant, highlighting the coupling effect on weights across layers.
result Lipschitz regularization introduces a tradeoff between robustness and expressiveness, suggesting careful implementation.