{"id":1203,"date":"2011-12-25T15:55:09","date_gmt":"2011-12-25T15:55:09","guid":{"rendered":"http:\/\/www.illc.uva.nl\/lgc\/seminar\/?p=1203"},"modified":"2012-01-26T19:05:25","modified_gmt":"2012-01-26T19:05:25","slug":"seminar-session-on-january-26","status":"publish","type":"post","link":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/2011\/12\/seminar-session-on-january-26\/","title":{"rendered":"Seminar Session: Denis Bonnay"},"content":{"rendered":"<p>On <strong>Thursday, January 26th<\/strong> at <strong>15:00<\/strong> hrs we will have another session of our seminar: <strong>Denis Bonnay<\/strong> (Universit\u00e9 Paris Ouest) will present his work on <strong>Trust and Bayes<\/strong> (abstract below).<\/p>\n<p>The meeting will take place in room <strong>D1.113<\/strong> in <strong>Science Park 904<\/strong>.<\/p>\n<p>Abstract:<br \/>\nHow should an agent take into account the probabilistic opinion of other agents in a group? The traditional Bayesian answer would be to use Bayes&#8217; rule and higher-order probabilities. In 80&#8217;s,  Lehrer and Wagner proposed a different and much simpler model based on the attribution of epistemic weights, which were meant to express degrees of trust. The interest of the model is to allow for a detailed study of the conditions under which agents may reach consensus by repeated updating on each other&#8217;s beliefs. However, the absence of a principled justification for their update mechanisms casted on some doubts on the significance of the results. In this talk, I will discuss whether such a justification can be given and prove a representation theorem for Lehrer and Wagner&#8217;s updates with respect to Bayesian updates. (Joint work with M. Cozic)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On Thursday, January 26th at 15:00 hrs we will have another session of our seminar: Denis Bonnay (Universit\u00e9 Paris Ouest) will present his work on Trust and Bayes (abstract below).<br \/>\nThe meeting will take place in room D1.113 in Science Park 904.<br \/>\nAbstract:<br \/>\nHow should an agent take into account the probabilistic opinion of other agents in a [&#8230;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1203","post","type-post","status-publish","format-standard","hentry","category-events"],"_links":{"self":[{"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/posts\/1203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/comments?post=1203"}],"version-history":[{"count":14,"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/posts\/1203\/revisions"}],"predecessor-version":[{"id":1339,"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/posts\/1203\/revisions\/1339"}],"wp:attachment":[{"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/media?parent=1203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/categories?post=1203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/projects.illc.uva.nl\/lgc\/seminar\/wp-json\/wp\/v2\/tags?post=1203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}