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Matthew Farrugia-Roberts

2 accepted papers

2023

Functional Equivalence and Path Connectivity of Reducible Hyperbolic Tangent Networks

NeurIPS 2023poster

Understanding the learning process of artificial neural networks requires clarifying the structure of the parameter space within which learning takes place. A neural network parameter's functional equivalence class is the set of parameters implementing the same input--output function. For many archi…

Cited by 4SourcePDFScholar
2023

Invariance in Policy Optimisation and Partial Identifiability in Reward Learning

ICML 2023poster

It is often very challenging to manually design reward functions for complex, real-world tasks. To solve this, one can instead use reward learning to infer a reward function from data. However, there are often multiple reward functions that fit the data equally well, even in the infinite-data limit.…

Cited by 53SourcePDFScholar