{"id":12881,"date":"2022-04-08T10:19:31","date_gmt":"2022-04-08T02:19:31","guid":{"rendered":"https:\/\/virtual.math.ntnu.edu.tw\/?p=12881"},"modified":"2022-04-08T10:23:41","modified_gmt":"2022-04-08T02:23:41","slug":"1-147-2-3","status":"publish","type":"post","link":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/2022\/04\/08\/1-147-2-3\/","title":{"rendered":"<span style=\"color:#3566BD\">[\u5c08\u984c\u6f14\u8b1b] \u3010\u6539\u70ba\u7dda\u4e0a\u3011<\/span> \u30104\u670813\u65e5\u3011\u570b\u7acb\u5c4f\u6771\u5927\u5b78\u61c9\u7528\u6578\u5b78\u7cfb \u5433\u9032\u901a\u6559\u6388"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12881\" class=\"elementor elementor-12881\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4c0fb45 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4c0fb45\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8d4a32d\" data-id=\"8d4a32d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e6edd1 elementor-widget elementor-widget-text-editor\" data-id=\"4e6edd1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>Speaker\uff1a\u5433\u9032\u901a\u6559\u6388 (\u570b\u7acb\u5c4f\u6771\u5927\u5b78\u61c9\u7528\u6578\u5b78\u7cfb)<\/p><p>Title: First eigenvalue estimates in pseudo-hermitian geometry<\/p><p>Abstract: In this talk, I will talk about how to get a sharp lower bound estimate for the first nonzero eigenvalue of the sub-Laplacian, Kohn Laplacian, Folland-Stein operator, weighted sub-Laplacian and weighted Kohn Laplacian on a closed strictly pseudo-convex CR (2n+1)-manifold. We also discuss the case when a sharp lower bound estimate of the sub-Laplacian, Kohn Laplacian, weighted sub-Laplacian or weighted Kohn Laplacian is achieved. It can be showed that such a manifold is isometric to the standard CR (2n+1)-sphere.<\/p><p>Date: Wednesday, April 13, 2022<\/p><p>Time: 14:00-15:00<\/p><p>Venue: <span style=\"color: #ff0000;\">on line<\/span><\/p><p><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/meet.google.com\/efr-qeqb-vmf\" target=\"_blank\" rel=\"noopener\">https:\/\/meet.google.com\/efr-qeqb-vmf<\/a><\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<p class=\"wpf_wrapper\"><a class=\"print_link\" href=\"\" target=\"_blank\">\u53cb\u5584\u5217\u5370<\/a><\/p><!-- .wpf_wrapper -->","protected":false},"excerpt":{"rendered":"<p>Speaker\uff1a\u5433\u9032\u901a\u6559\u6388 (\u570b\u7acb\u5c4f\u6771\u5927\u5b78\u61c9\u7528\u6578\u5b78\u7cfb) Title: First eigenvalue est [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,124,64],"tags":[],"_links":{"self":[{"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/posts\/12881"}],"collection":[{"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/comments?post=12881"}],"version-history":[{"count":4,"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/posts\/12881\/revisions"}],"predecessor-version":[{"id":12887,"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/posts\/12881\/revisions\/12887"}],"wp:attachment":[{"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/media?parent=12881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/categories?post=12881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/virtual.math.ntnu.edu.tw\/index.php\/wp-json\/wp\/v2\/tags?post=12881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}