{"id":810,"date":"2020-02-28T03:57:33","date_gmt":"2020-02-28T11:57:33","guid":{"rendered":"https:\/\/math.berkeley.edu\/wp\/apde\/?p=810"},"modified":"2020-02-28T03:57:33","modified_gmt":"2020-02-28T11:57:33","slug":"wolf-patrick-dull-stuttgart","status":"publish","type":"post","link":"https:\/\/wp.math.berkeley.edu\/apde\/2020\/02\/28\/wolf-patrick-dull-stuttgart\/","title":{"rendered":"Wolf-Patrick D\u00fcll (Stuttgart)"},"content":{"rendered":"\n\t\t\t\t\n<p>The  APDE seminar on Monday, 03\/02, will be given by Wolf-Patrick D\u00fcll  in Evans 939 from 4:10 to 5pm.     <\/p>\n\n\n\n<p>Title:  Validity of the nonlinear Schr\u00f6dinger approximation for the two-dimensional water wave problem with and without surface tension.<\/p>\n\n\n\n<p>Abstract:  We consider the two-dimensional water wave problem in an infinitely long canal of<br> finite depth both with and without surface tension. In order to describe the evolution<br> of the envelopes of small oscillating wave packet-like solutions to this problem the<br> Nonlinear Schr\u00f6dinger equation can be derived as a formal approximation equation.<br> The rigorous justification of the Nonlinear Schr\u00f6dinger approximation for the water<br> wave problem was an open problem for a long time. In recent years, the validity<br> of this approximation has been proven by several authors only for the case without<br> surface tension.<br> In this talk, we present the first rigorous justification of the Nonlinear Schr\u00f6dinger approximation for the two-dimensional water wave problem which is valid for the<br> cases with and without surface tension by proving error estimates over a physically<br> relevant timespan in the arc length formulation of the water wave problem. Our<br> error estimates are uniform with respect to the strength of the surface tension, as the<br> height of the wave packet and the surface tension go to zero.<\/p>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The APDE seminar on Monday, 03\/02, will be given by Wolf-Patrick D\u00fcll in Evans 939 from 4:10 to 5pm. Title: Validity of the nonlinear Schr\u00f6dinger approximation for the two-dimensional water wave problem with and without surface tension. Abstract: We consider the two-dimensional water wave problem in an infinitely long canal of finite depth both with [&hellip;]<\/p>\n","protected":false},"author":109,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-810","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/posts\/810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/users\/109"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/comments?post=810"}],"version-history":[{"count":0,"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/posts\/810\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/media?parent=810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/categories?post=810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.math.berkeley.edu\/apde\/wp-json\/wp\/v2\/tags?post=810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}