{ "id": "2205.00960", "version": "v1", "published": "2022-05-02T15:01:59.000Z", "updated": "2022-05-02T15:01:59.000Z", "title": "On the solution manifold of a differential equation with a delay which has a zero", "authors": [ "Hans-Otto Walther" ], "comment": "11 pages", "categories": [ "math.DS" ], "abstract": "For a differential equation with a state-dependent delay we show that the associated solution manifold $X_f$ of codimnsion 1 in the space $C^1([-r,0],\\mathbb {R})$ is an almost graph over a hyperplane, which implies that $X_f$ is diffeomorphic to the hyperplane. For the case considered previous results only provide a covering by 2 almost graphs.", "revisions": [ { "version": "v1", "updated": "2022-05-02T15:01:59.000Z" } ], "analyses": { "subjects": [ "34K43" ], "keywords": [ "differential equation", "state-dependent delay", "associated solution manifold", "hyperplane" ], "note": { "typesetting": "TeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable" } } }