{"id":642,"date":"2024-09-27T23:22:02","date_gmt":"2024-09-27T23:22:02","guid":{"rendered":"https:\/\/as.vanderbilt.edu\/newmath2025\/?p=642"},"modified":"2025-03-11T18:53:53","modified_gmt":"2025-03-11T18:53:53","slug":"geometry-and-topology-seminar-friday-september-27th","status":"publish","type":"post","link":"https:\/\/as.vanderbilt.edu\/math\/2024\/09\/27\/geometry-and-topology-seminar-friday-september-27th\/","title":{"rendered":"Geometry and Topology Seminar: Friday, September 27th"},"content":{"rendered":"<p><strong>Speaker:<\/strong><strong>\u00a0<\/strong>Garrett Michael Brown (UC Berkeley)<\/p>\n<p><strong>Title:<\/strong><strong>\u00a0<\/strong>The sign of scalar curvature on Kaehler blowups<\/p>\n<p><strong>Abstract:<\/strong><strong>\u00a0\u00a0<\/strong>In Kaehler geometry there is a compelling interaction between the curvature of the metric and the underlying\u00a0algebro-geometric structure. One example is that positivity of the scalar curvature forces the the Kodaira dimension to\u00a0be negative. I will explain a recent resolution to the question of whether positive scalar curvature is preserved under\u00a0birational transformation of Kaehler surfaces, resulting in a classification.<\/p>\n<p><strong>Contact:<\/strong> <a href=\"mailto:rares.rasdeaconu@vanderbilt.edu\">Rares Rasdeaconu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Speaker:\u00a0Garrett Michael Brown (UC Berkeley) Title:\u00a0The sign of scalar curvature on Kaehler blowups Abstract:\u00a0\u00a0In Kaehler geometry there is a compelling interaction between the curvature of the metric and the underlying\u00a0algebro-geometric structure. One example is that positivity of the scalar curvature forces the the Kodaira dimension to\u00a0be negative. I will explain a recent resolution to the&#8230;<\/p>\n","protected":false},"author":74,"featured_media":751,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"acf":[],"jetpack_featured_media_url":"https:\/\/as.vanderbilt.edu\/math\/wp-content\/uploads\/sites\/69\/2025\/03\/geometry-topology.png","_links":{"self":[{"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/posts\/642"}],"collection":[{"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/users\/74"}],"replies":[{"embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/comments?post=642"}],"version-history":[{"count":1,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/posts\/642\/revisions"}],"predecessor-version":[{"id":643,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/posts\/642\/revisions\/643"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/media\/751"}],"wp:attachment":[{"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/media?parent=642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/categories?post=642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/math\/wp-json\/wp\/v2\/tags?post=642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}