{ "id": "2003.08570", "version": "v1", "published": "2020-03-19T04:50:43.000Z", "updated": "2020-03-19T04:50:43.000Z", "title": "A class of curvature flows expanded by support function and curvature function", "authors": [ "Shanwei Ding", "Guanghan Li" ], "categories": [ "math.DG" ], "abstract": "In this paper, we consider an expanding flow of closed, smooth, uniformly convex hypersurface in Euclidean \\mathbb{R}^{n+1} with speed u^\\alpha f^\\beta (\\alpha, \\beta\\in\\mathbb{R}^1), where u is support function of the hypersurface, f is a smooth, symmetric, homogenous of degree one, positive function of the principal curvature radii of the hypersurface. If \\alpha \\leq 0<\\beta\\leq 1-\\alpha, we prove that the flow has a unique smooth and uniformly convex solution for all time, and converges smoothly after normalization, to a round sphere centered at the origin.", "revisions": [ { "version": "v1", "updated": "2020-03-19T04:50:43.000Z" } ], "analyses": { "keywords": [ "support function", "curvature function", "curvature flows", "principal curvature radii", "uniformly convex hypersurface" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }