{"id":9035,"date":"2023-05-16T14:45:00","date_gmt":"2023-05-16T12:45:00","guid":{"rendered":"https:\/\/www.dm.unipi.it\/?post_type=unipievents&#038;p=9035"},"modified":"2023-05-16T14:45:03","modified_gmt":"2023-05-16T12:45:03","slug":"algebraic-concordance-and-strongly-invertible-knots","status":"publish","type":"unipievents","link":"https:\/\/www.dm.unipi.it\/en\/eventi\/algebraic-concordance-and-strongly-invertible-knots\/","title":{"rendered":"Algebraic concordance and strongly invertible knots &ndash; Alessio Di Prisa (SNS Pisa)"},"content":{"rendered":"\n<p>In 1969 Levine defined a surjective homomorphism from the knot concordance group to the so called algebraic concordance group, which is a Witt group of Seifert forms.<\/p>\n\n\n\n<p>Studying symmetric knots and in particular strongly invertible knots, a natural question is whether it is possible to define an appropriate equivariant version of algebraic concordance.<\/p>\n\n\n\n<p>In this talk we briefly recall Levine&#8217;s construction and we highlight some of the problems occuring when trying to define its equivariant analogous.<\/p>\n\n\n\n<p>Finally, we define a notion of equivariant algebraic concordance for strongly invertible knots and we show some of the differences with the classical case.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In 1969 Levine defined a surjective homomorphism from the knot concordance group to the so called algebraic concordance group, which&hellip;<\/p>\n<p><a class=\"btn btn-dark btn-sm unipi-read-more-link\" href=\"https:\/\/www.dm.unipi.it\/en\/eventi\/algebraic-concordance-and-strongly-invertible-knots\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"template":"","tags":[],"unipievents_taxonomy":[],"class_list":["post-9035","unipievents","type-unipievents","status-publish","hentry"],"acf":[],"unipievents_startdate":1684252800,"unipievents_enddate":1684256400,"unipievents_place":"Aula Seminari - 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\/9035","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":2,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/9035\/revisions"}],"predecessor-version":[{"id":9037,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/9035\/revisions\/9037"}],"wp:attachment":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/media?parent=9035"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/tags?post=9035"},{"taxonomy":"unipievents_taxonomy","embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents_taxonomy?post=9035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}