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Understanding the training of infinitely deep and wide ResNets with Conditional Optimal Transport
March 20, 2024, 4:42 a.m. | Rapha\"el Barboni (ENS-PSL), Gabriel Peyr\'e (CNRS,ENS-PSL), Fran\c{c}ois-Xavier Vialard (LIGM)
cs.LG updates on arXiv.org arxiv.org
Abstract: We study the convergence of gradient flow for the training of deep neural networks. If Residual Neural Networks are a popular example of very deep architectures, their training constitutes a challenging optimization problem due notably to the non-convexity and the non-coercivity of the objective. Yet, in applications, those tasks are successfully solved by simple optimization algorithms such as gradient descent. To better understand this phenomenon, we focus here on a ``mean-field'' model of infinitely deep …
abstract architectures arxiv convergence cs.lg example flow gradient math.oc networks neural networks optimization popular residual study training transport type understanding
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