{"id":10539,"date":"2019-03-06T14:31:05","date_gmt":"2019-03-06T11:31:05","guid":{"rendered":"https:\/\/w3.bilkent.edu.tr\/en\/?p=10539"},"modified":"2019-03-08T16:01:38","modified_gmt":"2019-03-08T13:01:38","slug":"math-seminar-tritangents-to-sextic-curves-via-niemeier-lattices-alexander-degtyarev-sa-141-340pm-march-8-en","status":"publish","type":"post","link":"https:\/\/w3.bilkent.edu.tr\/en\/math-seminar-tritangents-to-sextic-curves-via-niemeier-lattices-alexander-degtyarev-sa-141-340pm-march-8-en\/","title":{"rendered":"MATH Seminar: &#8220;Tritangents to Sextic Curves via Niemeier Lattices,&#8221; Alexander Degtyarev, SA-141, 3:40PM March 8 (EN)"},"content":{"rendered":"<p>Dear Colleagues and Students, <\/p>\n<p>You are cordially invited to the ODTU-Bilkent Algebraic Geometry Seminar<br \/>\nSpeaker: Alexander Degtyarev (Bilkent) <\/p>\n<p>&#8220;Tritangents to sextic curves via Niemeier lattices&#8221; <\/p>\n<p><strong>Abstract:<\/strong> I will address the following conjecture (and some refinements thereof): &#8220;A smooth plane curve of degree 6 has at most 72 tritangents.&#8221; After a brief introduction to the subject and a survey of the known results for the other polarized K3-surfaces, I will explain why the traditional approach does not work and suggest a new one, using the embedding of the N\u00e9ron\u2014Severi lattice of a K3-surface to an appropriate Niemeier lattice. I will also discuss the pros and contras of several versions of this approach and report the partial results obtained so far. <\/p>\n<p>Date: 8 March 2019, Friday<br \/>\nTime: 15:40<br \/>\nPlace: Mathematics Seminar Room, SA \u2013 141 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dear Colleagues and Students, You are cordially invited to the ODTU-Bilkent Algebraic Geometry Seminar Speaker: Alexander Degtyarev (Bilkent) &#8220;Tritangents to sextic curves via Niemeier lattices&#8221; Abstract: I will address the following conjecture (and some refinements thereof): &#8220;A smooth plane curve of degree 6 has at most 72 tritangents.&#8221; After a [\u2026] <\/p>\n<div class=\"clear\"><\/div>\n<p><a class=\"more_link clearfix\" href=\"https:\/\/w3.bilkent.edu.tr\/en\/math-seminar-tritangents-to-sextic-curves-via-niemeier-lattices-alexander-degtyarev-sa-141-340pm-march-8-en\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-10539","post","type-post","status-publish","format-standard","hentry","category-oldposts"],"_links":{"self":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/10539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/comments?post=10539"}],"version-history":[{"count":1,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/10539\/revisions"}],"predecessor-version":[{"id":10540,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/10539\/revisions\/10540"}],"wp:attachment":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/media?parent=10539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/categories?post=10539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/tags?post=10539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}