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Global $\mathcal{L}^2$ minimization at uniform exponential rate via geometrically adapted gradient descent in Deep Learning
March 19, 2024, 4:44 a.m. | Thomas Chen
cs.LG updates on arXiv.org arxiv.org
Abstract: We consider the gradient descent flow widely used for the minimization of the $\mathcal{L}^2$ cost function in Deep Learning networks, and introduce two modified versions; one adapted for the overparametrized setting, and the other for the underparametrized setting. Both have a clear and natural invariant geometric meaning, taking into account the pullback vector bundle structure in the overparametrized, and the pushforward vector bundle structure in the underparametrized setting. In the overparametrized case, we prove that, …
abstract arxiv cost cs.ai cs.lg deep learning flow function global gradient math.mp math.oc math-ph networks rate stat.ml type uniform versions via
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