Graph Neural Networks through the lens of algebraic topology, differential geometry, and PDEs

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• Professor Michael Bronstein - Department of Computer Science, University of Oxford
• Wednesday 09 March 2022, 15:05-15:55
• Lecture Theatre 1, Computer Laboratory, William Gates Building.

If you have a question about this talk, please contact Ben Karniely.

The message-passing paradigm has been the “battle horse” of deep learning on graphs for several years, making graph neural networks a big success in a wide range of applications, from particle physics to protein design. From a theoretical viewpoint, it established the link to the Weisfeiler-Lehman hierarchy, allowing to analyse the expressive power of GNNs. I argue that the very “graph-centric” mindset of current graph deep learning schemes may hinder future progress in the field. As an alternative, I propose physics-inspired “continuous” learning models that open up a new trove of tools from the fields of differential geometry, algebraic topology, and differential equations so far largely unexplored in graph ML.

We are asking those attending in person to please take a lateral flow test with a negative result before the talk.

Link to join virtually: https://cl-cam-ac-uk.zoom.us/j/97767639783?pwd=T09GcVJxZUNEUFEvRnZnbWwxeEwzQT09

A recording of this talk is available at the following link: https://www.cl.cam.ac.uk/seminars/wednesday/video/

This talk is part of the Wednesday Seminars - Department of Computer Science and Technology series.

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