This Monday (October 6th at 12 pm ET), David Quarel will join the reading group on “An Introduction to Universal Artificial Intelligence” (IUAI) to answer questions on the context tree weighting (CTW) algorithm. David Quarel is an author of IUAI who wrote chapter 4 of the book on CTW. He is a PhD student at…

Starting with Michael K. Cohen’s upcoming talk at 4 pm ET today, we will be using this new zoom link: https://uwaterloo.zoom.us/j/7921763961?pwd=TDatET6CBu47o4TxyNn9ccL2Ia8HN4.1 This is different from the originally announced link, which had technical issues. The link has been updated in the calendar. Hope to see you there!

At our next research meeting, Michael K. Cohen will give a talk on reinforcement learning with KL-regularization to a trusted policy: Reinforcement learning, but don’t do anything I wouldn’t do Cohen is a postdoc at UC Berkeley’s Center for Human Compatible AI. His papers and (highly recommended) blog “Solutions in Theory” argue for the theoretical…

Our regular research meeting this Monday (Sept. 8th, 4pm EST = 9pm BST) will begin with a talk on program induction from Professor Kevin Ellis of Cornell University. Computational cognitive scientists have invented sophisticated probabilistic programming languages for efficient inference against generative models (e.g. WebPPL, Gen). In his thesis “Algorithms for Learning to Induce Programs,”…

Many students and newcomers to UAI are interested in reading Hutter, Quarel, and Catt’s new textbook “An Introduction to Universal Artificial Intelligence.” We have organized a reading group starting Monday September 1st at noon EDT – see the calendar for the most up-to-date information. If you would like to attend the first meeting: Note that…

This is a reminder that our first regular meeting on universal algorithmic intelligence is Monday, August 11th, at 4 pm EDT! (See the event calendar for an authoritative schedule) There is no required reading for this meeting, but you must reach out to an organizer for the meeting link which is not available on the…

This is the place to ask general questions about logistics and/or UAI. If you want to pose a more detailed technical question, you can also submit it as a blog post!

AIXI is to its environment as a player is to a video game. Because AIXI is not computable, it can’t exist as part of a computable universe. This has been raised as a criticism of the theory in this paper and longer blog post on “embedded agency.” Basically, the authors are asking for a theory…

(Cross-posted from linkedin announcement) We’re pleased to announce the Second Symposium on Algorithmic Information Theory and Machine Learning, taking place 30–31 July 2025 at Imperial College London, UK. 🧠 Website, Registration, and Schedule: https://sites.google.com/site/boumedienehamzi/second-symposium-on-algorithmic-information-theory-and-machine-learning 🔗 Symposium Info:This symposium builds on the success of the inaugural event held at the Alan Turing Institute in 2022, and…