Low Dimensional Structure
Low-dimensional structure research focuses on identifying and exploiting the often hidden lower-dimensional manifolds within high-dimensional data, a common characteristic across diverse fields. Current research emphasizes developing algorithms and models, including variational autoencoders, generative adversarial networks, and neural networks, to effectively learn and represent these underlying structures, often employing techniques like manifold learning and dimensionality reduction. This work is crucial for improving the efficiency and interpretability of machine learning models, enabling better data analysis in high-dimensional settings, and facilitating the understanding of complex systems across various scientific disciplines.
Papers
Fundamental computational limits of weak learnability in high-dimensional multi-index models
Emanuele Troiani, Yatin Dandi, Leonardo Defilippis, Lenka Zdeborová, Bruno Loureiro, Florent Krzakala
Repetita Iuvant: Data Repetition Allows SGD to Learn High-Dimensional Multi-Index Functions
Luca Arnaboldi, Yatin Dandi, Florent Krzakala, Luca Pesce, Ludovic Stephan