{ "id": "math/0703095", "version": "v1", "published": "2007-03-03T18:27:03.000Z", "updated": "2007-03-03T18:27:03.000Z", "title": "Decay Asymptotics of the Viscous Camassa-Holm Equations in the Plane", "authors": [ "Clayton Bjorland" ], "comment": "22 pages, submitted", "categories": [ "math.AP" ], "abstract": "We consider the vorticity formulation of the 2-D viscous Camassa-Holm equations in the whole space. We establish global existence for solutions corresponding to initial data in $L^1$ and describe the large time behavior of solutions with sufficiently small and localized initial data. We calculate the rate at which such solutions approach an ``un-filtered'' Oseen vortex by computing the rate at which the solution of a scaled vorticity problem approaches the solution to a corresponding linearized equation.", "revisions": [ { "version": "v1", "updated": "2007-03-03T18:27:03.000Z" } ], "analyses": { "subjects": [ "35B40", "35K55" ], "keywords": [ "viscous camassa-holm equations", "decay asymptotics", "large time behavior", "scaled vorticity problem approaches", "localized initial data" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2007math......3095B" } } }