Abstract for the talk on 19.10.2023 (17:00 h)

Math Machine Learning seminar MPI MIS + UCLA

Daniel Murfet (University of Melbourne)
Phase transitions in learning machines
19.10.2023, 17:00 h, only Live Stream

I will introduce the idea of phases and phase transitions of the Bayesian posterior in the setting of singular learning theory, and discuss how a simple auto-encoder model introduced by Anthropic in their research on neural network interpretability displays a rich set of phase transitions in both the posterior and over the course of training. I’ll explain a research program we term “developmental” interpretability that is aiming to use phase transitions as the basic primitive for understanding the internal structure of computation in neural networks.

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13.09.2023, 08:40