{"id":27013,"date":"2026-03-04T15:13:00","date_gmt":"2026-03-04T12:13:00","guid":{"rendered":"https:\/\/w3.bilkent.edu.tr\/en\/?p=27013"},"modified":"2026-03-08T13:37:37","modified_gmt":"2026-03-08T10:37:37","slug":"ir-seminar-bps-polynomials-and-welschinger-invariants-pierrick-bousseau-340pm-march-6-2026-en","status":"publish","type":"post","link":"https:\/\/w3.bilkent.edu.tr\/en\/ir-seminar-bps-polynomials-and-welschinger-invariants-pierrick-bousseau-340pm-march-6-2026-en\/","title":{"rendered":"IR Seminar: \u201cBPS polynomials and Welschinger invariants\u201d, Pierrick Bousseau, 3:40PM March 6 2026 (EN)"},"content":{"rendered":"<p>You are cordially invited to the ODTU-Bilkent Algebraic Geometry Seminar.<\/p>\n<p>Speaker: Pierrick Bousseau (Oxford)<\/p>\n<p>\u201cBPS polynomials and Welschinger invariants\u201d<\/p>\n<p>Abstract: Using tropical geometry, Block-G\u00f6ttsche defined polynomials with the remarkable property to interpolate between Gromov-Witten counts of complex curves and Welschinger counts of real curves in toric del Pezzo surfaces. I will describe a generalization of Block-G\u00f6ttsche polynomials to arbitrary, not-necessarily toric, rational surfaces and propose a conjectural relation with refined Donaldson-Thomas invariants. This is joint work with Hulya Arguz.<\/p>\n<p>Date: 6 March 2026, Friday<br \/>\nTime: 15:40 (GMT+3)<br \/>\nPlace: Zoom<\/p>\n<p>This is an online seminar. To request the Zoom 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: Pierrick Bousseau (Oxford) \u201cBPS polynomials and Welschinger invariants\u201d Abstract: Using tropical geometry, Block-G\u00f6ttsche defined polynomials with the remarkable property to interpolate between Gromov-Witten counts of complex curves and Welschinger counts of real curves in toric del Pezzo surfaces. I [\u2026] <\/p>\n<div class=\"clear\"><\/div>\n<p><a class=\"more_link clearfix\" href=\"https:\/\/w3.bilkent.edu.tr\/en\/ir-seminar-bps-polynomials-and-welschinger-invariants-pierrick-bousseau-340pm-march-6-2026-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-27013","post","type-post","status-publish","format-standard","hentry","category-oldposts"],"_links":{"self":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/27013","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=27013"}],"version-history":[{"count":1,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/27013\/revisions"}],"predecessor-version":[{"id":27014,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/posts\/27013\/revisions\/27014"}],"wp:attachment":[{"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/media?parent=27013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/categories?post=27013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w3.bilkent.edu.tr\/en\/wp-json\/wp\/v2\/tags?post=27013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}