{"id":2302,"date":"2025-07-04T23:20:15","date_gmt":"2025-07-05T02:20:15","guid":{"rendered":"https:\/\/www.ufrgs.br\/ppgest\/?p=2302"},"modified":"2025-07-04T23:20:15","modified_gmt":"2025-07-05T02:20:15","slug":"ciclo-de-seminarios-2025-prof-lucas-s-sibemberg","status":"publish","type":"post","link":"https:\/\/www.ufrgs.br\/ppgest\/ciclo-de-seminarios-2025-prof-lucas-s-sibemberg\/","title":{"rendered":"Ciclo de Semin\u00e1rios 2025 \u2013 Prof. Lucas\u202f S.\u202f Sibemberg"},"content":{"rendered":"<p>Temos o prazer de convidar a todos para mais um semin\u00e1rio do Programa de P\u00f3s-Gradua\u00e7\u00e3o em Estat\u00edstica da UFRGS (PPGEst-UFRGS).<\/p>\n<div id=\"v1forwardbody1\">\n<div id=\"v1v1forwardbody1\">\n<div id=\"v1v1v1forwardbody1\">\n<div id=\"v1v1v1v1forwardbody1\">\n<div id=\"v1v1v1v1v1v1v1v1v1v1v1v1forwardbody1\">\n<div id=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1forwardbody1\">\n<div id=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1forwardbody1\">\n<div id=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1forwardbody1\">\n<div id=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1forwardbody1\">\n<div class=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xdj266r v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x11i5rnm v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xat24cr v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1mh8g0r v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1vvkbs v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x126k92a\">\n<div dir=\"auto\"><\/div>\n<\/div>\n<div class=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x11i5rnm v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xat24cr v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1mh8g0r v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1vvkbs v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xtlvy1s v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x126k92a\">\n<div dir=\"auto\">\n<p><strong>T\u00edtulo: <\/strong>Clusteriza\u00e7\u00e3o Espectral em Grafos Geom\u00e9tricos.<\/p>\n<p><strong>Resumo: <\/strong>Este trabalho estuda o problema de clusteriza\u00e7\u00e3o no\u00a0<em>Soft Geometric Block Model<\/em>\u00a0com n\u00famero arbitr\u00e1rio de clusters. Nesse modelo, propomos um algoritmo espectral para a recupera\u00e7\u00e3o dos clusters. Al\u00e9m disso, estabelecemos resultados de converg\u00eancia em probabilidade que garantem a acur\u00e1cia do algoritmo. Por fim, apresentamos experimentos num\u00e9ricos que demonstram sua acur\u00e1cia mesmo em grafos pequenos.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<div class=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x11i5rnm v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xat24cr v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1mh8g0r v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1vvkbs v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xtlvy1s v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x126k92a\">\n<div dir=\"auto\"><strong>Palestrante:<\/strong>\u00a0<span class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\">Prof.<\/span><span class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\">\u00a0Lucas\u202fS.\u202f<wbr \/>Sibemberg (PPGMAp &#8211; UFRGS,\u00a0 Chief Artificial Intelligence Officer)\u00a0<\/span><\/div>\n<\/div>\n<div class=\"v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x11i5rnm v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xat24cr v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1mh8g0r v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x1vvkbs v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1xtlvy1s v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1v1x126k92a\">\n<div dir=\"auto\"><strong>Data:<\/strong> 08\/07\/2025<\/div>\n<div dir=\"auto\"><strong>Hor\u00e1rio<\/strong>:14h<\/div>\n<div dir=\"auto\"><strong>Local:\u00a0<\/strong>Sala\u00a0<span class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\">A214, pr\u00e9dio 43111\u00a0<\/span>, Anfiteatro da qu\u00edmica \u2013 UFRGS<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Temos o prazer de convidar a todos para mais um semin\u00e1rio do Programa de P\u00f3s-Gradua\u00e7\u00e3o em Estat\u00edstica da UFRGS (PPGEst-UFRGS). T\u00edtulo: Clusteriza\u00e7\u00e3o Espectral em Grafos Geom\u00e9tricos. Resumo: Este trabalho estuda o problema de clusteriza\u00e7\u00e3o no\u00a0Soft Geometric Block Model\u00a0com n\u00famero arbitr\u00e1rio de clusters. Nesse modelo, propomos um algoritmo espectral para a recupera\u00e7\u00e3o dos clusters. Al\u00e9m disso, &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.ufrgs.br\/ppgest\/ciclo-de-seminarios-2025-prof-lucas-s-sibemberg\/\"> <span class=\"screen-reader-text\">Ciclo de Semin\u00e1rios 2025 \u2013 Prof. Lucas\u202f S.\u202f Sibemberg<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":2303,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/posts\/2302"}],"collection":[{"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/comments?post=2302"}],"version-history":[{"count":1,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/posts\/2302\/revisions"}],"predecessor-version":[{"id":2304,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/posts\/2302\/revisions\/2304"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/media\/2303"}],"wp:attachment":[{"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/media?parent=2302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/categories?post=2302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgest\/wp-json\/wp\/v2\/tags?post=2302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}