Deep networks on toroids: removing symmetries reveals the structure of flat regions in the landscape geometry

F Pittorino, A Ferraro, G Perugini… - International …, 2022 - proceedings.mlr.press
We systematize the approach to the investigation of deep neural network landscapes by
basing it on the geometry of the space of implemented functions rather than the space of …

Fractal basins as a mechanism for the nimble brain

E Bollt, J Fish, A Kumar, E Roque dos Santos… - Scientific Reports, 2023 - nature.com
An interesting feature of the brain is its ability to respond to disparate sensory signals from
the environment in unique ways depending on the environmental context or current brain …

Catch-22s of reservoir computing

Y Zhang, SP Cornelius - Physical Review Research, 2023 - APS
Reservoir computing (RC) is a simple and efficient model-free framework for forecasting the
behavior of nonlinear dynamical systems from data. Here, we show that there exist …

Deeper but smaller: Higher-order interactions increase linear stability but shrink basins

Y Zhang, PS Skardal, F Battiston, G Petri, M Lucas - Science Advances, 2024 - science.org
A key challenge of nonlinear dynamics and network science is to understand how higher-
order interactions influence collective dynamics. Although many studies have approached …

Reservoir-computing based associative memory and itinerancy for complex dynamical attractors

LW Kong, GA Brewer, YC Lai - Nature Communications, 2024 - nature.com
Traditional neural network models of associative memories were used to store and retrieve
static patterns. We develop reservoir-computing based memories for complex dynamical …

Searching nontrivial magnetic equilibria using the deflated Newton method

J Cisternas, A Concha - Chaos, Solitons & Fractals, 2024 - Elsevier
Nonlinear systems that model physical experiments often have many equilibrium
configurations, and the number of these static solutions grows with the number of degrees of …

Inferring attracting basins of power system with machine learning

Y Du, Q Li, H Fan, M Zhan, J Xiao, X Wang - Physical Review Research, 2024 - APS
Power systems dominated by renewable energy encounter frequently large, random
disturbances, and a critical challenge faced in power-system management is how to …

Multistability and unpredictability

Á Daza, A Wagemakers, MAF Sanjuán - Physics Today, 2024 - pubs.aip.org
Decision making can be tough. Transferring the choice to an unbiased authority, like a coin
or a die, may help to relieve the pressure. Indeed, for just a few dollars, you can buy a …

[HTML][HTML] Faster network disruption from layered oscillatory dynamics

M Tyloo - Chaos: An Interdisciplinary Journal of Nonlinear …, 2022 - pubs.aip.org
Nonlinear complex network-coupled systems typically have multiple stable equilibrium
states. Following perturbations or due to ambient noise, the system is pushed away from its …

Equilibrium and symmetries of altitudinal magnetic rotors on a circle

J Cisternas, M Navarro, S Duarte… - … Interdisciplinary Journal of …, 2022 - pubs.aip.org
Macroscopic magnets can easily be manipulated and positioned so that interactions
between themselves and with external fields induce interesting dynamics and equilibrium …