{"id":10489,"date":"2023-11-08T10:24:58","date_gmt":"2023-11-08T09:24:58","guid":{"rendered":"https:\/\/www.dm.unipi.it\/?post_type=unipievents&#038;p=10489"},"modified":"2023-11-09T11:46:43","modified_gmt":"2023-11-09T10:46:43","slug":"tba-25","status":"publish","type":"unipievents","link":"https:\/\/www.dm.unipi.it\/en\/eventi\/tba-25\/","title":{"rendered":"A cooking class on exotic surfaces in 4-manifolds &ndash; Oliviero Malech (SISSA)"},"content":{"rendered":"\n<p>Two smoothly embedded surfaces in the same smooth 4-manifold are called exotic if they are C^0 ambient isotopic without being smoothly equivalent.&nbsp;In the talk, I will briefly introduce this peculiar phenomenon and show how it is possible to construct an infinite family of 2-knots (embedded spheres) and 2-links in a smooth 4-manifold that are pairwise exotic.&nbsp;Furthermore we will explore some of the properties of the constructed exotic families.<\/p>\n\n\n\n<p>The talk is based on a joint work with Bais, Benyahia and Torres (see&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/arxiv.org\/abs\/2206.09659\" target=\"_blank\">https:\/\/arxiv.org\/abs\/2206.09659<\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Two smoothly embedded surfaces in the same smooth 4-manifold are called exotic if they are C^0 ambient isotopic without being&hellip;<\/p>\n<p><a class=\"btn btn-dark btn-sm unipi-read-more-link\" href=\"https:\/\/www.dm.unipi.it\/en\/eventi\/tba-25\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"template":"","tags":[],"unipievents_taxonomy":[],"class_list":["post-10489","unipievents","type-unipievents","status-publish","hentry"],"acf":[],"unipievents_startdate":1700065800,"unipievents_enddate":1700069400,"unipievents_place":"Aula Magna - Dipartimento di Matematica","unipievents_externalid":0,"jetpack_sharing_enabled":true,"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/10489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents"}],"about":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/types\/unipievents"}],"author":[{"embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/users\/19"}],"version-history":[{"count":4,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/10489\/revisions"}],"predecessor-version":[{"id":10657,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/10489\/revisions\/10657"}],"wp:attachment":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/media?parent=10489"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/tags?post=10489"},{"taxonomy":"unipievents_taxonomy","embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents_taxonomy?post=10489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}