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stat.ML2026
Uniform-in-Time Weak Propagation-of-Chaos in Shallow Neural Networks
Margalit Glasgow, Joan Bruna
We consider one-hidden layer neural networks trained in the feature-learning regime using gradient descent, and relate the output of the finite-width network to its…
stat.ML2023
On Learning Gaussian Multi-index Models with Gradient Flow
Alberto Bietti, Joan Bruna, Loucas Pillaud-Vivien
We study gradient flow on the multi-index regression problem for high-dimensional Gaussian data. Multi-index functions consist of a composition of an unknown low-rank linear projec…