{ "id": "1202.6671", "version": "v2", "published": "2012-02-29T20:22:55.000Z", "updated": "2012-10-15T15:22:35.000Z", "title": "An ill-posedness result for the Boussinesq equation", "authors": [ "Dan-Andrei Geba", "A. Alexandrou Himonas", "David Karapetyan" ], "comment": "Based on the comments received from Nobu Kishimoto, the original version has been amended and incorporated with the results of arXiv:1209.0998", "categories": [ "math.AP" ], "abstract": "The aim of this article is to prove new ill-posedness results concerning the nonlinear \"good\" Boussinesq equation, for both the periodic and non-periodic initial value problems. Specifically, we prove that the associated flow map is not continuous in Sobolev spaces $H^s$, for all $s<-1/2$.", "revisions": [ { "version": "v2", "updated": "2012-10-15T15:22:35.000Z" } ], "analyses": { "subjects": [ "35B30", "35Q55" ], "keywords": [ "boussinesq equation", "non-periodic initial value problems", "associated flow map", "sobolev spaces", "ill-posedness results concerning" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1202.6671G" } } }