{"version":"1.0","provider_name":"UNI FR","provider_url":"https:\/\/www.uni.lu\/fr","author_name":"UNI FR","author_url":"https:\/\/www.uni.lu\/fr","title":"Conference of Laurent Lafforgue (Fields Medal 2022)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"QVtfQp8nWZ\"><a href=\"https:\/\/www.uni.lu\/fr\/events\/conference-of-laurent-lafforgue-fields-medal-2022\/\">Conference of Laurent Lafforgue (Fields Medal 2022)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.uni.lu\/fr\/events\/conference-of-laurent-lafforgue-fields-medal-2022\/embed\/#?secret=QVtfQp8nWZ\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Conference of Laurent Lafforgue (Fields Medal 2022)\u00a0\u00bb &#8212; UNI FR\" data-secret=\"QVtfQp8nWZ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(c,d){\"use strict\";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(\/[^a-zA-Z0-9]\/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),n=d.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),o=new RegExp(\"^https?:$\",\"i\"),l=0;l<n.length;l++)n[l].style.display=\"none\";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute(\"style\"),\"height\"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if(\"link\"===t.message)if(s=d.createElement(\"a\"),a=d.createElement(\"a\"),s.href=r.getAttribute(\"src\"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener(\"message\",c.wp.receiveEmbedMessage,!1),d.addEventListener(\"DOMContentLoaded\",t,!1),c.addEventListener(\"load\",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf(\"MSIE 10\"),a=!!navigator.userAgent.match(\/Trident.*rv:11\\.\/),i=d.querySelectorAll(\"iframe.wp-embedded-content\"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute(\"data-secret\")))r=Math.random().toString(36).substr(2,10),t.src+=\"#?secret=\"+r,t.setAttribute(\"data-secret\",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute(\"security\"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:\"ready\",secret:r},\"*\")}}}}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/11\/2026\/03\/03120045\/UNIV_SM-Profile_1600x1600px-scaled.jpg","thumbnail_width":2560,"thumbnail_height":2560,"description":"What is an image?Abstract:\u00a0Any way of capturing and processing images is based on a mathematical modelling of the idea of an image.\u00a0In this talk, we will try to show that the renewal of geometry by Grothendieck's theory of toposes allows to conceive new modellings of images and to raise the question of the definition and study of possible spaces of images.\u00a0A crucial feature of this new geometry is that it is no longer based on the notion of point."}