{"id":19396,"date":"2023-05-04T13:54:31","date_gmt":"2023-05-04T10:54:31","guid":{"rendered":"https:\/\/w3.bilkent.edu.tr\/en\/?p=19396"},"modified":"2023-05-15T15:40:38","modified_gmt":"2023-05-15T12:40:38","slug":"math-seminar-counting-lines-on-polarized-k3-surfaces-alexander-degtyarev-340pm-may-12-en","status":"publish","type":"post","link":"https:\/\/w3.bilkent.edu.tr\/en\/math-seminar-counting-lines-on-polarized-k3-surfaces-alexander-degtyarev-340pm-may-12-en\/","title":{"rendered":"MATH Seminar: \u201cCounting Lines on Polarized K3-surfaces\u201d, Alexander Degtyarev, 3:40PM May 12 (EN)"},"content":{"rendered":"<p>You are cordially invited to the ODTU-Bilkent Algebraic Geometry Seminar.<\/p>\n<p>Speaker: Alexander Degtyarev (Bilkent)<\/p>\n<p>\u201cCounting lines on polarized K3-surfaces\u201d<\/p>\n<p>Abstract: Counting or estimating the number of lines or, more generally, low degree rational curves on a polarized algebraic surface is a classical problem going back almost 1.5 centuries. After a brief historical excurse, I will try to give an account of the considerable progress made in the subject in the last decade or so, mainly related to various (quasi-)polarizations of K3-surfaces:<br \/>\n\u2022 lines on K3-surfaces with any polarization,<br \/>\n\u2022 lines on low degree K3-surfaces with singularities,<br \/>\n\u2022 conics on low degree K3-surfaces.<br \/>\nIf time permits, I will briefly discuss other surfaces\/varieties as well.<\/p>\n<p>Some parts of this work are joint projects<br \/>\n(some still in progress) with Ilia Itenberg, S\u0142avomir Rams, Ali Sinan Sert\u00f6z.<\/p>\n<p>Date: Friday, 12 May 2023<br \/>\nTime: 15:40 (GMT+3)<br \/>\nPlace: Zoom<\/p>\n<p>This is an online seminar. To request the event link, please send a message to sertoz@bilkent.edu.tr<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You are cordially invited to the ODTU-Bilkent Algebraic Geometry Seminar. Speaker: Alexander Degtyarev (Bilkent) \u201cCounting lines on polarized K3-surfaces\u201d Abstract: Counting or estimating the number of lines or, more generally, low degree rational curves on a polarized algebraic surface is a classical problem going back almost 1.5 centuries. 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-counting-lines-on-polarized-k3-surfaces-alexander-degtyarev-340pm-may-12-en\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-19396","post","type-post","status-publish","format-standard","hentry","category-oldposts"],"_links":{"self":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/19396","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/comments?post=19396"}],"version-history":[{"count":1,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/19396\/revisions"}],"predecessor-version":[{"id":19397,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/19396\/revisions\/19397"}],"wp:attachment":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/media?parent=19396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/categories?post=19396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/tags?post=19396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}