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This is the homepage for our ICLR 2023 workshop on ‘Physics for Machine Learning’.

The workshop will take place on May 5th, 2023 in Kigali, Rwanda (Hybrid)


Combining physics with machine learning is a rapidly growing field of research. Thus far, most of the work in this area focuses on leveraging recent advances in classical machine learning to solve problems that arise in the physical sciences. In this workshop, we wish to focus on a slightly less established topic, which is the converse: exploiting structures (or symmetries) of physical systems as well as insights developed in physics to construct novel machine learning methods and gain a better understanding of such methods. A particular focus will be on the synergy between the scientific problems and machine learning and incorporating structure of these problems into the machine learning methods which are used in that context. However, the scope of application of those models is not limited to problems in the physical sciences and can be applied even more broadly to standard machine learning problems, e.g. in computer vision, natural language processing or speech recognition.

Examples that fall under the theme of leveraging physics for machine learning include methods that reason from first principles, embedding fundamental laws e.g. symmetries or conservation laws in machine learning systems. Some recent work on the topic include designing equivariant neural networks to handle non-trivial geometries, designing deep neural networks as Hamiltonian systems to improve trainability, expressivity but also generalization. Many of these methods can in turn be applied to physics themselves where many fundamental laws are known to hold, vastly improving particle physics models, or molecular and fluid dynamic simulations. Additional examples which are not restricted to problems in the physical sciences include recent state-of-the-art score-based SDE diffusion models for generative modeling using insights from molecular dynamics, (recurrent) sequence models based on Hamiltonian systems or multi-particle systems and graph neural networks based on coupled oscillators or gradient flows.

The goal of this workshop is to encourage multi-disciplinary discussions and build bridges between researchers from diverse but complementary scientific backgrounds, i.e., researchers (from academia and industry) in pure machine learning as well as in the physical sciences, engineering, and applied mathematics. The workshop further aims to discuss the current state of the research field as well as possible solutions to pressing questions.

The questions this workshop aims to discuss are: