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Título Automatic Proper Orthogonal Block Decomposition method for network with timescales
Autores BANDERA MORENO, ALEJANDRO, Fernandez-Garcia, S. , Gomez-Marmol, M. , Vidal, A.
Publicación externa Si
Medio Commun. Nonlinear Sci. Numer. Simul.
Alcance Article
Naturaleza Científica
Cuartil JCR 1
Cuartil SJR 1
Fecha de publicacion 01/04/2024
ISI 001166316100001
DOI 10.1016/j.cnsns.2024.107844
Abstract In this work, we introduce a novel reduced order model technique, based on the Proper Orthogonal Decomposition method, for dynamical systems with multiple timescales. The main ideas are to retain the structure of the original model, which is lost in the original POD procedure, while producing a competitive reduction in the number of equations and computational time, and to determine the best structure for the reduced system automatically, via a data -driven analysis of the original model data. For these novel techniques, we present some numerical tests for various behaviors of three different neural network models with multiple timescales, which support the use of these new methods.
Palabras clave Slow-fast dynamics; Coupled oscillators; Synchronization; Network neuron model; Reduced order models; Mixed-mode oscillations
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