Learning-Induced Dynamical Transition in Recurrent Neural Networks
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Computer Science > Machine Learning
Title:Learning-Induced Dynamical Transition in Recurrent Neural Networks
Abstract:Learning in recurrent neural networks can fundamentally reshape their underlying dynamics, transforming initially chaotic activity into stable task-dependent behavior. We develop a non-equilibrium dynamical mean-field theory(DMFT) to describe this transition during learning. We show that a slow feedback-driven learning process generates an evolving effective feedback strength that drives the network through a transition from chaotic to stable dynamics defined by a bifurcation of the DMFT solution. By deriving the two-time correlation function throughout learning, we identify a critical feedback strength and a corresponding learning rate dependent critical time separating these regimes. The transition arises from the progressive deformation of an effective dynamical landscape by the growing learned feedback structure. Starting from the untrained state, the theory predicts the time evolution of the network output during training and shows quantitative agreement with numerical simulations.
| Comments: | 16 pages, 7 figures |
| Subjects: | Machine Learning (cs.LG); Disordered Systems and Neural Networks (cond-mat.dis-nn); Chaotic Dynamics (nlin.CD) |
| Cite as: | arXiv:2609.19288 [cs.LG] |
| (or arXiv:2609.19288v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2609.19288
arXiv-issued DOI via DataCite (pending registration)
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