{"id":1427,"date":"2019-04-01T17:44:54","date_gmt":"2019-04-01T14:44:54","guid":{"rendered":"https:\/\/mathematics.haifa.ac.il\/?p=1427"},"modified":"2019-04-15T17:17:17","modified_gmt":"2019-04-15T14:17:17","slug":"this-thursday-at-1200-u-haifa-topology-geometry-seminar-on-april-4-2019","status":"publish","type":"post","link":"https:\/\/mathematics.haifa.ac.il\/?p=1427","title":{"rendered":"This Thursday at 12:00, U. Haifa Topology &#038; Geometry seminar on April 4, 2019"},"content":{"rendered":"<p>Please note the time change. From now on, our seminars start at 12:00.<\/p>\n<p><strong><u>Geometry\u00a0&amp; Topology Seminar<\/u><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Speaker:\u00a0\u00a0Mattia Ornaghi\u00a0(Ben Gurion University of Negev)<\/p>\n<p>&nbsp;<\/p>\n<p>Topic:\u00a0\u00a0Localizations of the category of A-categories and Internal Homs.<\/p>\n<p>Place:\u00a0\u00a0\u00a0 room 614 in the Science &amp; Education Building<\/p>\n<p>Time\u00a0 \u00a012:00<\/p>\n<p>Date:\u00a0 Thursday, April 4, 2019<\/p>\n<p>&nbsp;<\/p>\n<p><strong><u>Abstract<\/u><\/strong><strong><u>:<\/u><\/strong><\/p>\n<p>In the first part of the talk we prove that\u00a0the localizations of the categories of dg categories, of cohomologically unital and strictly unital Acategories with respect to the corresponding classes of quasi-equivalences are all equivalent.\u00a0As an application, in the second part, we give a complete proof of a claim by Kontsevich stating that the category of internal Homs for two dg categories can be described as the category of strictly unital Afunctors between them. This is a joint work with Prof. A. Canonaco and Prof. P. Stellari\u00a0<b><a href=\"https:\/\/arxiv.org\/abs\/1811.07830\">arXiv:1811.07830<\/a><\/b>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Please note the time change. From now on, our seminars start at 12:00. Geometry\u00a0&amp; Topology Seminar &nbsp; Speaker:\u00a0\u00a0Mattia Ornaghi\u00a0(Ben Gurion University of Negev) &nbsp; Topic:\u00a0\u00a0Localizations of the category of A-categories and Internal Homs. Place:\u00a0\u00a0\u00a0 room 614 in the Science &amp;&#8230;<br \/><a class=\"read-more-button\" href=\"https:\/\/mathematics.haifa.ac.il\/?p=1427\">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":[6,4],"tags":[],"class_list":["post-1427","post","type-post","status-publish","format-standard","hentry","category-gt-seminar","category-seminar"],"_links":{"self":[{"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=\/wp\/v2\/posts\/1427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1427"}],"version-history":[{"count":2,"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=\/wp\/v2\/posts\/1427\/revisions"}],"predecessor-version":[{"id":1435,"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=\/wp\/v2\/posts\/1427\/revisions\/1435"}],"wp:attachment":[{"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathematics.haifa.ac.il\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}