{ "id": "1803.00066", "version": "v1", "published": "2018-02-28T20:21:17.000Z", "updated": "2018-02-28T20:21:17.000Z", "title": "Gluing methods for vortex dynamics in Euler flows", "authors": [ "Juan Davila", "Manuel del Pino", "Monica Musso", "Juncheng Wei" ], "categories": [ "math.AP" ], "abstract": "A classical problem for the two-dimensional Euler flow for an incompressible fluid confined to a smooth domain. is that of finding regular solutions with highly concentrated vorticities around $N$ moving {\\em vortices}. The formal dynamic law for such objects was first derived in the 19th century by Kirkhoff and Routh. In this paper we devise a {\\em gluing approach} for the construction of smooth $N$-vortex solutions. We capture in high precision the core of each vortex as a scaled finite mass solution of Liouville's equation plus small, more regular terms. Gluing methods have been a powerful tool in geometric constructions by {\\em desingularization}. We succeed in applying those ideas in this highly challenging setting.", "revisions": [ { "version": "v1", "updated": "2018-02-28T20:21:17.000Z" } ], "analyses": { "keywords": [ "gluing methods", "vortex dynamics", "liouvilles equation plus small", "formal dynamic law", "scaled finite mass solution" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }