3 papers
cs.AI2025
Value Under Ignorance in Universal Artificial Intelligence
Cole Wyeth, Marcus Hutter
We generalize the AIXI reinforcement learning agent to admit a wider class of utility functions. Assigning a utility to each possible interaction history forces us to confront the…
cs.GT2025
Limit-Computable Grains of Truth for Arbitrary Computable Extensive-Form (Un)Known Games
Cole Wyeth, Marcus Hutter, Jan Leike +1
A Bayesian player acting in an infinite multi-player game learns to predict the other players' strategies if his prior assigns positive probability to their play (or contains a gra…
cs.AI2025
Formalizing Embeddedness Failures in Universal Artificial Intelligence
Cole Wyeth, Marcus Hutter
We rigorously discuss the commonly asserted failures of the AIXI reinforcement learning agent as a model of embedded agency. We attempt to formalize these failure modes and prove t…