{ "id": "2008.13728", "version": "v1", "published": "2020-08-31T16:45:15.000Z", "updated": "2020-08-31T16:45:15.000Z", "title": "Dynamical instability of minimal surfaces at flat singular points", "authors": [ "Salvatore Stuvard", "Yoshihiro Tonegawa" ], "comment": "28 pages, 3 figures. Comments are welcome!", "categories": [ "math.AP", "math.DG" ], "abstract": "Suppose that a countably $n$-rectifiable set $\\Gamma_0$ is the support of a multiplicity-one stationary varifold in $\\mathbb{R}^{n+1}$ with a point admitting a flat tangent plane $T$ of density $Q \\geq 2$. We prove that, under a suitable assumption on the decay rate of the blow-ups of $\\Gamma_0$ towards $T$, there exists a non-constant Brakke flow starting with $\\Gamma_0$. This shows non-uniqueness of Brakke flow under these conditions, and suggests that the stability of a stationary varifold with respect to mean curvature flow may be used to exclude the presence of flat singularities.", "revisions": [ { "version": "v1", "updated": "2020-08-31T16:45:15.000Z" } ], "analyses": { "subjects": [ "53E10", "49Q05" ], "keywords": [ "flat singular points", "minimal surfaces", "dynamical instability", "mean curvature flow", "flat tangent plane" ], "note": { "typesetting": "TeX", "pages": 28, "language": "en", "license": "arXiv", "status": "editable" } } }