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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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151302452603 · Jun 202019922001200920182026
48 results for time delay reservoir

This paper provides a mathematical framework for time-delay reservoir computing.

problem Lack of rigorous mathematical foundations for reservoir computing properties.
method Control-theoretic framework, formal definitions of separation and fading memory, explicit lower bound derivation.
result Established formal definitions and connections to stability notions for time-delay systems.

The paper analyzes the performance of delay-based reservoir computing using eigenvalue analysis.

problem Quantifying the performance of delay-based reservoir computing.
method Eigenvalue analysis of the dynamical system to predict reservoir computing performance.
result The performance of a reservoir computing system can be predicted by analyzing the small signal response and eigenvalue spectrum.

Machine learning infers fluid dynamics from data without prior knowledge.

problem Inferring complex fluid behavior from limited data.
method Reservoir computing for partial and full inference of fluid variables and energy functions.
result Reservoir systems can infer long-term fluid dynamics and energy spectra from past data.

A hardware-based reservoir computing system predicts time series with high speed and accuracy.

problem Processing time-dependent signals with high speed and accuracy.
method A hardware-based reservoir computing system using a field-programmable gate array (FPGA) for both the reservoir and output layers.
result Achieves comparable accuracy to software approaches but with a superior real-time prediction rate up to 160 MHz.

NGRC shows numerical instabilities with short lags and high-degree polynomials.

problem Numerical instabilities in NGRC feature matrix.
method Combining numerical linear algebra and dynamical systems theory, we study feature matrix conditioning. We evaluate different numerical algorithms for solving the regularized least-squares problem.
result SVD-based training achieves accurate forecasts without regularization, preferable for short lags and high-degree polynomials.

Proposes a new method combining Reservoir Computing and Normalizing Flow for predicting stochastic dynamical systems.

problem Predicting and capturing long-term behaviors of stochastic dynamical systems.
method Data-driven framework combining Reservoir Computing and Normalizing Flow, integrating error modeling and both approaches virtues.
result Successfully predicts the long-term evolution of stochastic dynamical systems and replicates dynamical behaviors.

Reservoir computing's success depends on mapping different input time series to separable states.

problem Quantifying the ability of random linear reservoirs to map different input time series.
method Mathematical framework using spectral properties of the connectivity matrix.
result Separation capacity is fully characterized by the spectral properties of the connectivity matrix.

Study on deep and wide echo state networks for forecasting complex time series.

problem Performance analysis of deep reservoir computing models.
method Investigates the impact of partitioning neurons and parallel pathways on forecasting accuracy.
result Wide and deep networks outperform shallow models in forecasting multiscale spatiotemporal data.

Reduced reservoir size for faster edge computing.

problem Efficiently reducing computational resources for reservoir computing.
method Concatenating past or drifting states of the reservoir to the output layer.
result Reduced reservoir size up to one tenth without significant error increase.

Frequency-based reservoir improves prediction accuracy and optimizes short-term forecasts.

problem Lack of precise explanation and optimization methods for reservoir computing.
method Inspired by brain's oscillatory dynamics, frequency-based reservoir uses an ensemble of independent oscillatory units.
result Frequency-based reservoir performs as well as or better than random reservoirs and can predict complex spatiotemporal dynamics.

ResCP uses reservoir computing to create efficient, scalable time series prediction intervals.

problem Building distribution-free prediction intervals for time series data with small sample sizes and changing distributions.
method Reservoir Conformal Prediction (ResCP) leverages reservoir computing to dynamically reweight conformity scores based on similarity among reservoir states.
result ResCP achieves asymptotic conditional coverage and is effective across diverse forecasting tasks.

New explanation of reservoir computing using random projections.

problem Understanding the randomness in reservoir computing.
method Constructing strongly universal reservoir systems as random projections of state-space systems.
result Approximation of any fading memory filters class by training a linear readout for each filter.

Predicting unobserved bifurcations in time series with unsupervised parameter extraction.

problem Predicting system behavior with unknown parameters from time series data.
method Reservoir computing framework for unsupervised extraction of slowly varying system parameters.
result Model predicts unknown bifurcations not present in training data.

Quantum Reservoir Computing classifies complex probability distributions and identifies volatility regimes.

problem Statistical and financial classification problems with heavy-tailed distributions and correlated time series.
method Implemented QRC in a superconducting quantum circuit with Josephson junctions.
result QRC outperforms classical methods in limited information scenarios.

New method uses randomised signatures for generating financial time series data.

problem Generating synthetic financial time series data accurately.
method Introduced a Wasserstein-type distance based on discrete-time randomised signatures.
result Demonstrated universal approximation for randomised signatures on continuous functions.

Proposes a method to propagate uncertainty through tanh activation in reservoir computing.

problem Computing output distribution for neural networks with tanh activation when given a probability distribution.
method Moment-based approach to propagate uncertainty through Echo State Network (ESN).
result Probabilistic Echo State Network (PESN) shows better performance than deterministic ESNs.

Quantum systems with scrambling improve temporal information processing, but scaling requires exponential overhead.

problem Scalability and memory retention of quantum reservoirs in temporal information processing.
method Examined a quantum reservoir processing framework with scrambling reservoirs modeled by high-order unitary designs, analyzed in noiseless and noisy settings.
result Memory retention improves exponentially with reservoir size but worsens with reservoir iterations, requiring exponential shot overhead for scaling.

Study proposes SVDD framework for classifying water saturation in imbalanced geological datasets.

problem Classification of petrophysical properties from imbalanced datasets with nonlinear and heterogeneous subsurface properties.
method Support Vector Data Description (SVDD) for one class classification of water saturation.
result Proposed SVDD framework outperforms other classifiers in terms of g metric means and execution time.

New method combines long-memory reservoirs for accurate dengue forecasting from short data.

problem Accurate dengue forecasting from short, noisy, non-stationary, and nonlinear data.
method Fractional ESN and Wavelet ESN frameworks integrating long-term memory.
result fESN and wESN outperform baselines in multiple dengue datasets and forecasting horizons.

Low-connectivity reservoirs outperform standard designs in chaotic system forecasting.

problem Forecasting chaotic systems with high accuracy and low computational resources.
method Used Bayesian optimization to find optimal reservoir configurations, focusing on global system climate rather than short-term prediction.
result Optimized reservoirs with very low connectivity perform well in forecasting chaotic systems, challenging existing design heuristics.

Chaos in cerebellar cells enhances complexity of neural patterns.

problem Understanding how cerebellar granular layer represents complex information.
method Constructed a model of cerebellar granular layer with gap junctions, evaluated using reservoir computing.
result Chaotic dynamics in the cerebellar granular layer produce complex and diverse output patterns.

Bayesian approach estimates sub-resolution reservoir properties from seismic data.

problem Estimating sub-resolution reservoir properties from seismic data.
method Bayesian evidential learning approach, direct relation between seismic data and reservoir properties.
result Efficient estimation of reservoir properties with uncertainty quantification.

Generative adversarial network improves geosteering in fluvial reservoirs.

problem Improving geosteering in complex reservoirs with high uncertainties.
method Generative adversarial deep neural network (GAN) trained to model fluvial successions.
result Reduces uncertainty and correctly predicts geological features up to 500 meters ahead of drill-bit.

The paper proposes a machine learning approach for production forecasting without model calibration.

problem Generating accurate production forecasts for reservoir development.
method Sequential model aggregation using machine learning algorithms without model calibration.
result The proposed method provides robust multi-step-ahead production forecasts.

Study characterizes memory capacity of quantum reservoirs using transmon qubits.

problem Understanding the memory capacity of quantum reservoirs built with transmon qubits.
method Characterized memory capacity of quantum reservoirs using transmon qubits from IBM, focusing on NMSE and topology complexity.
result Found a peak in memory capacity for configurations with n-1 self-loops, suggesting optimal design for forecasting tasks.

Novel SVDD framework classifies water saturation from seismic attributes.

problem Difficult classification of water saturation from diverse and non-linear seismic attributes.
method Support Vector Data Description (SVDD) framework with G-metric performance quantification.
result Proposed framework outperforms existing classifiers.

Next-gen reservoir computers fail to predict complex processes, highlighting need for better architectures.

problem Predicting complex, non-Markovian processes with recurrent neural networks.
method Lower bound from Fano's inequality and analysis of large probabilistic state machines.
result Next-generation reservoir computers have an error probability at least 60% higher than optimal for highly non-Markovian processes.

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 learning speeds up pressure prediction in carbon storage reservoirs.

problem Accurately forecasting reservoir pressure in geologic carbon storage projects with sparse well data.
method Combining InSAR surface displacement data with deep learning and data assimilation techniques.
result Workflow can predict reservoir pressure with high efficiency and uncertainty quantification.

BayTiDe discovers time-delayed differential equations from noisy data.

problem Discovering time-delayed differential equations from data with large delays and noise.
method Bayesian inference with a sparsity-promoting prior.
result BayTiDe accurately identifies time-delayed differential equations with accuracy proportional to data resolution.

Study on synchronization in financial markets with time delays.

problem Understanding market dynamics and synchronization in financial systems with time delays.
method Examined a system of coupled non-linear delay-differential equations, linearized for small delays, and analyzed collective dynamics using bifurcation diagrams and numerical solutions.
result Demonstrated that limit cycles can be maintained in coupled N-asset models with appropriate parameterization, leading to market synchronization.