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Optimistic AIXI

Sunehag, Peter; Hutter, Marcus


We consider extending the AIXI agent by using multiple (or even a compact class of) priors. This has the benefit of weakening the conditions on the true environment that we need to prove asymptotic optimality. Furthermore, it decreases the arbitrariness of picking the prior or reference machine. We connect this to removing symmetry between accepting and rejecting bets in the rationality axiomatization of AIXI and replacing it with optimism. Optimism is often used to encourage exploration...[Show more]

CollectionsANU Research Publications
Date published: 2012-12
Type: Conference paper
DOI: 10.1007/978-3-642-35506-6_32


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