Modern and Emerging Phenomena in Machine Learning

  • Guido Montúfar

    University of California at Los Angeles, USA; Max Planck Institute for Mathematics in the Sciences, Leipzig, Germany
  • Michael Murray

    University of Bath, UK
  • Deanna Needell

    University of California at Los Angeles, USA
  • Rishi Sonthalia

    Boston College, Chestnut Hill, USA
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Abstract

Modern machine learning systems exhibit a range of phenomena that are not adequately explained by classical theories. The workshop examined recent progress toward a mathematical understanding of these phenomena, bringing together researchers with expertise in probability, analysis, geometry, optimization, statistics, and theoretical computer science. Discussions addressed complexity and parametrization, optimization dynamics, representation learning, robustness, and the mathematical structure of modern architectures. Particular emphasis was placed on identifying intrinsic geometric, probabilistic, and computational principles underlying learning systems. The workshop fostered interactions across disciplines and highlighted a number of open problems and future directions for the mathematical foundations of machine learning.

Cite this article

Guido Montúfar, Michael Murray, Deanna Needell, Rishi Sonthalia, Modern and Emerging Phenomena in Machine Learning. Oberwolfach Rep. 23 (2026), no. 1, pp. 683–736

DOI 10.4171/OWR/2026/11