{ "id": "2301.03383", "version": "v1", "published": "2022-11-09T08:22:57.000Z", "updated": "2022-11-09T08:22:57.000Z", "title": "On the continuity of the solution map of the Euler-Poincaré equations in Besov spaces", "authors": [ "Min Li" ], "comment": "16 pages", "categories": [ "math.AP" ], "abstract": "By constructing a series of perturbation functions through localization in the Fourier domain and translation, we show that the data-to-solution map for the Euler-Poincar\\'e equations is nowhere uniformly continuous in $B^s_{p,r}(\\mathbb{R} ^d)$ with $s>\\max\\{1+\\frac d2,\\frac32\\}$ and $(p,r)\\in (1,\\infty)\\times [1,\\infty)$. This improves our previous result which shows the data-to-solution map for the Euler-Poincar\\'e equations is non-uniformly continuous on a bounded subset of $B^s_{p,r}(\\mathbb{R} ^d)$ near the origin.", "revisions": [ { "version": "v1", "updated": "2022-11-09T08:22:57.000Z" } ], "analyses": { "subjects": [ "35Q35", "35Q51", "35L30" ], "keywords": [ "besov spaces", "continuity", "euler-poincare equations", "data-to-solution map", "fourier domain" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable" } } }