Toward a formal theory for computing machines made out of whatever physics offers

H Jaeger, B Noheda, WG Van Der Wiel - Nature communications, 2023 - nature.com
Approaching limitations of digital computing technologies have spurred research in
neuromorphic and other unconventional approaches to computing. Here we argue that if we …

Temporal information processing on noisy quantum computers

J Chen, HI Nurdin, N Yamamoto - Physical Review Applied, 2020 - APS
The combination of machine learning and quantum computing has emerged as a promising
approach for addressing previously untenable problems. Reservoir computing is an efficient …

Discrete-time signatures and randomness in reservoir computing

C Cuchiero, L Gonon, L Grigoryeva… - … on Neural Networks …, 2021 - ieeexplore.ieee.org
A new explanation of the geometric nature of the reservoir computing (RC) phenomenon is
presented. RC is understood in the literature as the possibility of approximating input–output …

Infinite-dimensional reservoir computing

L Gonon, L Grigoryeva, JP Ortega - Neural Networks, 2024 - Elsevier
Reservoir computing approximation and generalization bounds are proved for a new
concept class of input/output systems that extends the so-called generalized Barron …

Quantum reservoir computing in finite dimensions

R Martínez-Peña, JP Ortega - Physical Review E, 2023 - APS
Most existing results in the analysis of quantum reservoir computing (QRC) systems with
classical inputs have been obtained using the density matrix formalism. This paper shows …

Learning strange attractors with reservoir systems

L Grigoryeva, A Hart, JP Ortega - Nonlinearity, 2023 - iopscience.iop.org
This paper shows that the celebrated embedding theorem of Takens is a particular case of a
much more general statement according to which, randomly generated linear state-space …

Memory of recurrent networks: Do we compute it right?

G Ballarin, L Grigoryeva, JP Ortega - Journal of Machine Learning …, 2024 - jmlr.org
Numerical evaluations of the memory capacity (MC) of recurrent neural networks reported in
the literature often contradict well-established theoretical bounds. In this paper, we study the …

Learn to synchronize, synchronize to learn

P Verzelli, C Alippi, L Livi - Chaos: An Interdisciplinary Journal of …, 2021 - pubs.aip.org
In recent years, the artificial intelligence community has seen a continuous interest in
research aimed at investigating dynamical aspects of both training procedures and machine …

[HTML][HTML] Complexities of feature-based learning systems, with application to reservoir computing

H Yasumoto, T Tanaka - Neural Networks, 2025 - Elsevier
This paper studies complexity measures of reservoir systems. For this purpose, a more
general model that we call a feature-based learning system, which is the composition of a …

[HTML][HTML] Reservoir computing for macroeconomic forecasting with mixed-frequency data

G Ballarin, P Dellaportas, L Grigoryeva, M Hirt… - International Journal of …, 2024 - Elsevier
Macroeconomic forecasting has recently started embracing techniques that can deal with
large-scale datasets and series with unequal release periods. Mixed-data sampling (MIDAS) …