{"id":1306,"date":"2025-04-18T11:49:45","date_gmt":"2025-04-18T18:49:45","guid":{"rendered":"https:\/\/wp.math.berkeley.edu\/hades\/?p=1306"},"modified":"2025-05-04T19:35:33","modified_gmt":"2025-05-05T02:35:33","slug":"1306","status":"publish","type":"post","link":"https:\/\/wp.math.berkeley.edu\/hades\/2025\/04\/18\/1306\/","title":{"rendered":"Square function estimates and applications"},"content":{"rendered":"<p>The HADES seminar on Tuesday, <strong>April 22nd<\/strong>, will be at\u00a0<strong>3:30pm<\/strong>\u00a0in\u00a0<strong>Room 740<\/strong>.<\/p>\n<p><strong>Speaker:<\/strong> Robert Schippa<\/p>\n<p><strong>Abstract:\u00a0<\/strong>We revisit the classical C\u00f3rdoba-Fefferman square function estimate and give applications to moment inequalities for exponential sums. Next, we extend the CF estimate to higher dimensional manifolds with tangent spaces satisfying a transversality condition. Finally, we show square function estimates for the conical extension by the High-Low method, which in the scalar case is due to Guth-Wang-Zhang.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The HADES seminar on Tuesday, April 22nd, will be at\u00a03:30pm\u00a0in\u00a0Room 740. Speaker: Robert Schippa Abstract:\u00a0We revisit the classical C\u00f3rdoba-Fefferman square function estimate and give applications to moment inequalities for exponential sums. Next, we extend the CF estimate to higher dimensional manifolds with tangent spaces satisfying a transversality condition. Finally, we show square function estimates for [&hellip;]<\/p>\n","protected":false},"author":92,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-1306","post","type-post","status-publish","format-standard","hentry","category-spring-2025"],"_links":{"self":[{"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/posts\/1306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/comments?post=1306"}],"version-history":[{"count":3,"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/posts\/1306\/revisions"}],"predecessor-version":[{"id":1309,"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/posts\/1306\/revisions\/1309"}],"wp:attachment":[{"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/media?parent=1306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/categories?post=1306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/hades\/wp-json\/wp\/v2\/tags?post=1306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}