Search Results for author: Francesco Spadaro

Found 3 papers, 1 papers with code

Geometry of the Loss Landscape in Overparameterized Neural Networks: Symmetries and Invariances

1 code implementation25 May 2021 Berfin Şimşek, François Ged, Arthur Jacot, Francesco Spadaro, Clément Hongler, Wulfram Gerstner, Johanni Brea

For a two-layer overparameterized network of width $ r^*+ h =: m $ we explicitly describe the manifold of global minima: it consists of $ T(r^*, m) $ affine subspaces of dimension at least $ h $ that are connected to one another.

Kernel Alignment Risk Estimator: Risk Prediction from Training Data

no code implementations NeurIPS 2020 Arthur Jacot, Berfin Şimşek, Francesco Spadaro, Clément Hongler, Franck Gabriel

Under a natural universality assumption (that the KRR moments depend asymptotically on the first two moments of the observations) we capture the mean and variance of the KRR predictor.

regression

Implicit Regularization of Random Feature Models

no code implementations ICML 2020 Arthur Jacot, Berfin Şimşek, Francesco Spadaro, Clément Hongler, Franck Gabriel

We investigate, by means of random matrix theory, the connection between Gaussian RF models and Kernel Ridge Regression (KRR).

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