ArXiv TLDR

Stefano Sarao Mannelli

2 papers · Latest:

Statistical Machine Learning

The Interplay of Data Structure and Imbalance in the Learning Dynamics of Diffusion Models

This paper analyzes how data structure and imbalance affect diffusion model learning, showing class variance and sampling bias dictate generalization and memorization.

2605.06367
Statistical Machine Learning

Sharp description of local minima in the loss landscape of high-dimensional two-layer ReLU neural networks

This paper sharply describes local minima in two-layer ReLU networks' loss landscape, linking them to SGD dynamics and revealing a hierarchical structure.

2604.09412

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