{ "id": "2404.00585", "version": "v1", "published": "2024-03-31T07:05:49.000Z", "updated": "2024-03-31T07:05:49.000Z", "title": "Openness of the frame set on the hyperbolas", "authors": [ "Aleksei Kulikov" ], "comment": "7 pages", "categories": [ "math.FA" ], "abstract": "We prove that for the functions of the form $g(x) = h(x) + \\frac{C}{x+i}$, where $h$ belongs to the continuous Wiener algebra $W_0$, the intersection of the frame set $\\mathcal{F}_g$ with every hyperbola $\\{\\alpha, \\beta > 0 \\mid \\alpha\\beta = c\\}$ is open in the relative topology. In particular, this applies to all rational functions $g$.", "revisions": [ { "version": "v1", "updated": "2024-03-31T07:05:49.000Z" } ], "analyses": { "keywords": [ "frame set", "rational functions", "continuous wiener algebra", "intersection" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }