{"id":4152,"date":"2020-02-26T12:45:10","date_gmt":"2020-02-26T17:45:10","guid":{"rendered":"https:\/\/lexfridman.com\/?p=4152"},"modified":"2020-02-26T12:45:10","modified_gmt":"2020-02-26T17:45:10","slug":"marcus-hutter","status":"publish","type":"post","link":"https:\/\/lexfridman.com\/marcus-hutter\/","title":{"rendered":"#75 &#8211; Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI"},"content":{"rendered":"<div class=\"powerpress_player\" id=\"powerpress_player_3996\"><audio class=\"wp-audio-shortcode\" id=\"audio-4152-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/media.blubrry.com\/takeituneasy\/content.blubrry.com\/takeituneasy\/lex_ai_marcus_hutter.mp3?_=1\" \/><a href=\"https:\/\/media.blubrry.com\/takeituneasy\/content.blubrry.com\/takeituneasy\/lex_ai_marcus_hutter.mp3\">https:\/\/media.blubrry.com\/takeituneasy\/content.blubrry.com\/takeituneasy\/lex_ai_marcus_hutter.mp3<\/a><\/audio><\/div><p class=\"powerpress_links powerpress_links_mp3\" style=\"margin-bottom: 1px !important;\">Podcast: <a href=\"https:\/\/media.blubrry.com\/takeituneasy\/content.blubrry.com\/takeituneasy\/lex_ai_marcus_hutter.mp3\" class=\"powerpress_link_pinw\" target=\"_blank\" title=\"Play in new window\" onclick=\"return powerpress_pinw('https:\/\/lexfridman.com\/?powerpress_pinw=4152-podcast');\" rel=\"nofollow\">Play in new window<\/a> | <a href=\"https:\/\/media.blubrry.com\/takeituneasy\/content.blubrry.com\/takeituneasy\/lex_ai_marcus_hutter.mp3\" class=\"powerpress_link_d\" title=\"Download\" rel=\"nofollow\" download=\"lex_ai_marcus_hutter.mp3\">Download<\/a><\/p><p>Marcus Hutter is a senior research scientist at DeepMind and professor at Australian National University. Throughout his career of research, including with J\u00fcrgen Schmidhuber and Shane Legg, he has proposed a lot of interesting ideas in and around the field of artificial general intelligence, including the development of the AIXI model which is a mathematical approach to AGI that incorporates ideas of Kolmogorov complexity, Solomonoff induction, and reinforcement learning.<\/p>\n<p>EPISODE LINKS:<br \/>\nHutter Prize: <a href=\"http:\/\/prize.hutter1.net\">http:\/\/prize.hutter1.net<\/a><br \/>\nMarcus web: <a href=\"http:\/\/www.hutter1.net\">http:\/\/www.hutter1.net<\/a><br \/>\nBooks mentioned:<br \/>\n&#8211; Universal AI: <a href=\"https:\/\/amzn.to\/2waIAuw\">https:\/\/amzn.to\/2waIAuw<\/a><br \/>\n&#8211; AI: A Modern Approach: <a href=\"https:\/\/amzn.to\/3camxnY\">https:\/\/amzn.to\/3camxnY<\/a><br \/>\n&#8211; Reinforcement Learning: <a href=\"https:\/\/amzn.to\/2PoANj9\">https:\/\/amzn.to\/2PoANj9<\/a><br \/>\n&#8211; Theory of Knowledge: <a href=\"https:\/\/amzn.to\/3a6Vp7x\">https:\/\/amzn.to\/3a6Vp7x<\/a><\/p>\n<p><span style=\"font-weight: 400;\">This conversation is part of the Artificial Intelligence podcast.<\/span>&nbsp;If you would like to get more information about this podcast go to <a href=\"https:\/\/lexfridman.com\/ai\">https:\/\/lexfridman.com\/ai<\/a> or connect with @lexfridman on <a href=\"https:\/\/twitter.com\/lexfridman\">Twitter<\/a>, <a href=\"https:\/\/www.linkedin.com\/in\/lexfridman\/\">LinkedIn<\/a>, <a href=\"https:\/\/www.facebook.com\/lexfridman\">Facebook<\/a>, <a href=\"https:\/\/medium.com\/@lexfridman\">Medium<\/a>, or <a href=\"https:\/\/www.youtube.com\/lexfridman\">YouTube<\/a> where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on <a href=\"https:\/\/podcasts.apple.com\/us\/podcast\/artificial-intelligence\/id1434243584\">Apple Podcasts<\/a>, follow on <a href=\"https:\/\/open.spotify.com\/show\/2MAi0BvDc6GTFvKFPXnkCL\">Spotify<\/a>, or support it on <a href=\"https:\/\/www.patreon.com\/lexfridman\">Patreon<\/a>.<\/p>\n<p>This episode is presented by Cash App. Download it (<a href=\"https:\/\/apps.apple.com\/us\/app\/cash-app\/id711923939\">App Store<\/a>, <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.squareup.cash&amp;hl=en_US\">Google Play<\/a>), use code &#8220;LexPodcast&#8221;.&nbsp;<\/p>\n<p>Here&#8217;s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.<\/p>\n<p>OUTLINE:<br \/>\n00:00 &#8211; Introduction<br \/>\n03:32 &#8211; Universe as a computer<br \/>\n05:48 &#8211; Occam&#8217;s razor<br \/>\n09:26 &#8211; Solomonoff induction<br \/>\n15:05 &#8211; Kolmogorov complexity<br \/>\n20:06 &#8211; Cellular automata<br \/>\n26:03 &#8211; What is intelligence?<br \/>\n35:26 &#8211; AIXI &#8211; Universal Artificial Intelligence<br \/>\n1:05:24 &#8211; Where do rewards come from?<br \/>\n1:12:14 &#8211; Reward function for human existence<br \/>\n1:13:32 &#8211; Bounded rationality<br \/>\n1:16:07 &#8211; Approximation in AIXI<br \/>\n1:18:01 &#8211; Godel machines<br \/>\n1:21:51 &#8211; Consciousness<br \/>\n1:27:15 &#8211; AGI community<br \/>\n1:32:36 &#8211; Book recommendations<br \/>\n1:36:07 &#8211; Two moments to relive (past and future)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Marcus Hutter is a senior research scientist at DeepMind and professor at Australian National University. Throughout his career of research, including with J\u00fcrgen Schmidhuber and Shane Legg, he has proposed a lot of interesting ideas in and around the field of artificial general intelligence, including the development of the AIXI model which is a mathematical approach to AGI that incorporates ideas of Kolmogorov complexity, Solomonoff induction, and reinforcement learning. EPISODE LINKS: Hutter Prize: http:\/\/prize.hutter1.net Marcus web: http:\/\/www.hutter1.net Books mentioned: &#8211; Universal AI: https:\/\/amzn.to\/2waIAuw &#8211; AI: A Modern Approach: https:\/\/amzn.to\/3camxnY &#8211; Reinforcement Learning: https:\/\/amzn.to\/2PoANj9 &#8211; Theory of Knowledge: https:\/\/amzn.to\/3a6Vp7x This conversation<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3392],"tags":[],"class_list":["post-4152","post","type-post","status-publish","format-standard","hentry","category-ai"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>#75 - Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI | MIT | Artificial Intelligence Podcast<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lexfridman.com\/marcus-hutter\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"#75 - Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI | MIT | Artificial Intelligence Podcast\" \/>\n<meta property=\"og:description\" content=\"Marcus Hutter is a senior research scientist at DeepMind and professor at Australian National University. 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EPISODE LINKS: Hutter Prize: http:\/\/prize.hutter1.net Marcus web: http:\/\/www.hutter1.net Books mentioned: &#8211; Universal AI: https:\/\/amzn.to\/2waIAuw &#8211; AI: A Modern Approach: https:\/\/amzn.to\/3camxnY &#8211; Reinforcement Learning: https:\/\/amzn.to\/2PoANj9 &#8211; Theory of Knowledge: https:\/\/amzn.to\/3a6Vp7x This conversation\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lexfridman.com\/marcus-hutter\/\" \/>\n<meta property=\"og:site_name\" content=\"Lex Fridman\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/lexfridman\" \/>\n<meta property=\"article:published_time\" content=\"2020-02-26T17:45:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lexfridman.com\/wordpress\/wp-content\/uploads\/2020\/02\/thumb_marcus_hutter.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Lex Fridman\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@lexfridman\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lex Fridman\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/\"},\"author\":{\"name\":\"Lex Fridman\",\"@id\":\"https:\\\/\\\/lexfridman.com\\\/#\\\/schema\\\/person\\\/8bc69a469063031599412b1a93e75b9f\"},\"headline\":\"#75 &#8211; Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI\",\"datePublished\":\"2020-02-26T17:45:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/\"},\"wordCount\":306,\"articleSection\":[\"ai\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/\",\"url\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/\",\"name\":\"#75 - Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI | MIT | Artificial Intelligence Podcast\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lexfridman.com\\\/#website\"},\"datePublished\":\"2020-02-26T17:45:10+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lexfridman.com\\\/#\\\/schema\\\/person\\\/8bc69a469063031599412b1a93e75b9f\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/lexfridman.com\\\/marcus-hutter\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/lexfridman.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"#75 &#8211; Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/lexfridman.com\\\/#website\",\"url\":\"https:\\\/\\\/lexfridman.com\\\/\",\"name\":\"Lex Fridman\",\"description\":\"Research Scientist at MIT. 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